Puerto Rico 305(b)/303(d) Integrated Report

P O B o x 1 1 4 8 8 , S a n J u a n , P u e r t o R i c o 0 0 9 1 0 – ( 7 8 7 ) 7 6 7 - 8 1 8 1

Plans and Special Projects Division Water Quality Area Environmental Quality Board November 2016

16

Puerto Rico 305(b)/303(d)

Integrated Report

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Table of Contents

EXECUTIVE SUMMARY ................................................................................................................................ 6 PART A. Background ...................................................................................................................................... 10

Total Waters ................................................................................................................................................ 10 Water Pollution Control Program ............................................................................................................. 12 Cost/Benefit Assessment ........................................................................................................................... 15 Special State Concerns and Recommendations ....................................................................................... 18

PART B. Assessment Methodology Used for 305(b)/303(d) Integrated Report for 2016 Cycle and Assessment Results .......................................................................................................................................... 19

Assessment Units (AU) ............................................................................................................................. 19 Assessment Unit for Inland Waters ................................................................................................... 19 Assessment Unit for Coastal Shoreline .............................................................................................. 28

Monitoring Program ................................................................................................................................... 33 Permanent Water Quality Monitoring Network .............................................................................. 33 Special Monitoring Projects ................................................................................................................. 40 Water Quality External Data ............................................................................................................... 50 Water’s Quality External Data - Access Online ............................................................................... 59

Designated Uses, and Applicable Water Quality Standards ................................................................. 61 Water Quality Assessment by Designated Uses .................................................................................... 65 Assessment Categories ............................................................................................................................... 68 Description of Puerto Rico waters, including the impairments from previous cycles .....................69

Rivers and Streams ................................................................................................................................ 70 Estuaries................................................................................................................................................ 152 San Juan Bay Estuary System ........................................................................................................... 164 Lagoons ................................................................................................................................................. 167 Lakes ..................................................................................................................................................... 171 Coastal Shoreline.................................................................................................................................. 175

PART C. CWA Section 314 (Clean Lakes Program) ................................................................................. 185 Class SA, SE Waters and Coastal Lagoons Monitoring....................................................................... 188 Phosphorus and Nitrogen ........................................................................................................................ 189 Wetlands ..................................................................................................................................................... 191 Coral Reef Ecosystem............................................................................................................................... 194

PART E. 303(d) List ....................................................................................................................................... 198 Listing Criteria .......................................................................................................................................... 198 Delisting Criteria ....................................................................................................................................... 198 Priority Ranking and TMDL Development Status ............................................................................. 203 Implementation of the Clean Water Act 303(d) Program Vision Long – Term Vision ................ 207

PART F. Groundwater Monitoring and Assessment ................................................................................ 211 Groundwater Monitoring Network ........................................................................................................ 211

Puerto Rico 2016 305(b) and 303(d) Integrated Report

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PART G. Public Participation ....................................................................................................................... 214 APENDIX I – 2016 Cycle 303(d) List ........................................................................................................ 215 APENDIX II - Implementation of the Clean Water Act 303(d) Program Vision Long – Term Vision .......................................................................................................................................................................... 294 APENDIX - III Public Notice ...................................................................................................................... 310 APENDIX IV - Environmental Quality Board Determination ............................................................... 312

List of Figures Figure 1: Watersheds in Puerto Rico ............................................................................................................. 10 Figure 2: Reservoirs in Puerto Rico ............................................................................................................... 11 Figure 3: Water Quality Area Organization Chart ...................................................................................... 12 Figure 4: Puerto Rico Coastal Shoreline Segmentation System ................................................................. 32 Figure 5: Monitoring Station in Mosquito Bay, Vieques ........................................................................... 41 Figure 6: Daily Maximun Disolved Oxygen ................................................................................................ 41 Figure 7: Daily Minimum Disolved Oxygen................................................................................................ 42 Figure 8: Daily Mean Disolved Oxygen ....................................................................................................... 42 Figure 9: Daily Maximun pH ........................................................................................................................ 43 Figure 10: Daily Minimun pH ........................................................................................................................ 43 Figure 11: Daily Median pH ............................................................................................................................ 44 Figure 12: Daily Maximun Specific Conductance ....................................................................................... 44 Figure 13: Daily Minumum Specific Conductance ...................................................................................... 45 Figure 14: Daily Mean Specific Conductance ............................................................................................... 45 Figure 15: Daily Maximun Water Temperature .......................................................................................... 46 Figure 16: Daily Minimum Water Temperature .......................................................................................... 46 Figure 17: Daily MeanWater Temperature ................................................................................................... 47 Figure 18: Daily Maximun Turbidity ............................................................................................................ 47 Figure 19: Daily Minimum Turbidity ........................................................................................................... 48 Figure 20: Daily Median Turbidity ............................................................................................................... 48 Figure 21: Source Tracking Project Monitoring Stations ........................................................................... 49 Figure 22: San Juan Bay Estuary System Monitoring Stations ................................................................ 58 Figure 23: NOAA - Bahía de Jobos Monitoring Stations .......................................................................... 59 Figure 24: Buoys of CariCoos of NOAA ...................................................................................................... 60 Figure 25: Monitoring Station of CariCoos in La Parguera ....................................................................... 61 Figure 26: Buoy in La Parguera (Monitoring Station) NOAA, PMEL .................................................... 61 Figure 27: Puerto Rico Wetlands Type ...................................................................................................... 193 Figure 28: Puerto Rico Wetlands Distribution ........................................................................................... 193 Figure 29: Benthic Habitats of Puerto Rico and the U.S. Virgin Islands .............................................. 195 Figure 30: Example of one tile of the Benthic Map and the habitat classification .............................. 196 Figure 31: Benthic Habitats of PR and the Location of the PREQB Beach Monitoring Station ....... 196 Figure 32: Benthic Habitats of PR and the Location of the PREQB Coastal Monitoring Station .... 197 Figure 33: Example of Wellhead Area and Possible Contamination Sources ........................................ 213 Figure 34: Federal and State Programs, and partners working together ................................................ 303


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List of Tables

Table 1: Total Waters for Puerto Rico .......................................................................................................... 11 Table 2: Actions Initiated Point Sources Control Units ............................................................................. 14 Table 3: Actions Initiated Non-Point Sources Control Units .................................................................... 15 Table 4: Federal and State Funds ................................................................................................................... 16 Table 5: Federal and State Funds (Cont.) ...................................................................................................... 16 Table 6: Federal and State Funds (Cont.) ...................................................................................................... 17 Table 7: Total Federal and State Funds ......................................................................................................... 17 Table 8: Basins for the Inland Waters Segmentation System .................................................................... 19 Table 9: AU with monitoring stations ......................................................................................................... 22 Table 10: AU without monitoring stations .................................................................................................. 25 Table 11: Geographic Regions ......................................................................................................................... 28 Table 12: Assessment Units for the coastal shoreline ................................................................................ 30 Table 13: Lakes Monitoring Network ........................................................................................................... 34 Table 14: Coastal Monitoring Network - Monitoring Stations ................................................................. 36 Table 15: Government Agencies and Non-Governmental Organizations ................................................ 50 Table 16: Specific Water Quality Standards for Selected Parameters (as established in the PRWQSR) ............................................................................................................................................................................ 63 Table 17: Water Quality Standard for Specific Classifications .................................................................. 64 Table 18: Size of Waters Assigned to Reporting Categories ......................................................................69 Table 19: Size of Waters Impaired by Causes (Monitored Miles for Rivers and Streams) ................... 70 Table 20: Size of Waters Impaired by Sources (Monitored and Unmonitored Rivers and Streams)... 70 Table 21: Rivers and Streams Assessment (Monitored and Unmonitored) ............................................. 72 Table 22: Size of Waters Impaired by Causes (Monitored acres for Estuaries) ................................... 152 Table 23: Size of Waters Impaired by Sources (Monitored and Unmonitored Estuaries)................... 152 Table 24: Estuaries Assessment (Except San Juan Estuary System)..................................................... 154 Table 25: Size of Waters Impaired by Causes San Juan Bay Estuary System ...................................... 164 Table 26: Size of Waters Impaired by Sources San Juan Bay Estuary System ..................................... 164 Table 27: San Juan Bay Estuary System Assessment .............................................................................. 165 Table 28: Size of Waters Impaired by Causes (Monitored acres for Lagoons) ..................................... 167 Table 29: Size of Waters Impaired by Sources (Monitored and Unmonitored Acres for Lagoons) .. 167 Table 30: Lagoons Assessment (Monitored and Unmonitored) .............................................................. 168 Table 31: Size of waters Impaired by Causes (Monitored Acres for Lakes) ......................................... 171 Table 32: Size of waters Impaired by Sources (Monitored Acres for Lakes) ....................................... 171 Table 33: Lakes Assessment ......................................................................................................................... 172 Table 34: Size of Waters Impaired by Causes (Monitored Miles for Coastal Waters) ........................ 175 Table 35: Size of Waters Impaired by Sources (Monitored and Unmonitored Coastal Waters) ......... 175 Table 36: Coastal Shoreline Waters Assessment (Monitored and Unmonitored waters) .................... 176 Table 37: Trophic Status of Significant Lakes/Reservoirs ....................................................................... 185 Table 38: OPSI/CEPIS Criteria for the Determination of the Trophic Status ...................................... 185 Table 39: Puerto Rico Lakes Trophic Status .............................................................................................. 185


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Table 40: Trend Analyses for Selected Parameters in Puerto Rico Lakes ............................................. 187 Table 41: Trends in Significant Public Lakes Category ............................................................................ 187 Table 42: Assessment Units that exceeds Total Phosphorus and Total Nitrogen water quality standard ...........................................................................................................................................................190 Table 43: Parameter/Assessment Units Combinations to be delisted ................................................... 199 Table 44: Priority Basins .............................................................................................................................. 203 Table 45: Assessment Units/ Parameter Combination with high priority to development of TMDL, next two years ............................................................................................................................................... 204 Table 46: TMDL Development Status ....................................................................................................... 207 Table 47: Wells included in the Groundwater Monitoring Network ...................................................... 211 Table 48: Size of waters Impaired by Causes all cycles (Monitored Miles for Rivers and Streams). 216 Table 49: 2016 Cycle 303(d) List – List of Rivers and Streams .............................................................. 217 Table 50: Size of waters Impaired by Causes (Monitored Acres for Estuaries) .................................. 257 Table 51: 2016 Cycle 303(d) List – List of Estuaries ................................................................................ 258 Table 52: Size of waters Impaired by Causes San Juan Bay Estuary System ...................................... 262 Table 53: 2016 Cycle 303(d) List – List of San Juan Bay Estuary System .......................................... 263 Table 54: Size of waters Impaired by Causes (Monitored Acres for Lagoons) .................................... 266 Table 55: 2016 Cycle 303(d) List – List of Lagoons.................................................................................. 267 Table 56: Size of waters Impaired by Causes (Monitored acres/miles for Lakes) ...............................272 Table 57: 2016 Cycle 303(d) List – List of Lakes ...................................................................................... 273 Table 58: Size of Waters Impaired by Causes Coastal Shoreline ........................................................... 280 Table 59: 2016 Cycle 303(d) List – List of Coastal Shoreline .................................................................. 281 Table 60: Detailed Point System ................................................................................................................. 299 Table 61: Additional AU due to Phosphorus Impairments ..................................................................... 301 Table 62: AU of the San Juan Bay Estuary System ................................................................................. 301 Table 63: AU and water bodies size per Type of Water body ................................................................ 302 Table 64: Long-term Priorities 2016 - 2022 AUs ..................................................................................... 306


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EXECUTIVE SUMMARY The Puerto Rico Environmental Quality Board (PREQB) is the local agency responsible for seeking the attainment of the designated uses established in the Puerto Rico Water Quality Standards Regulation (PRWQSR, adopted on August 19, 2014) for the various water resources and is also responsible for the oversight, maintenance and protection of the quality of these water resources. The designated uses established in the WQSR are: Primary Contact Recreation Secondary Contact Recreation Propagation and preservation of fish, shellfish and aquatic life Raw Source for Drinking Water To comply with the requirements established in Section 305(b) of the Clean Water Act (CWA), PREQB performs the required assessment in terms of the current water quality in the different water resources throughout Puerto Rico. This assessment allows us to determine whether or not these resources comply with the applicable water quality standards and achieve the designated uses. For water bodies that do not meet the applicable standard for a designated use, the Act requires that the state develop control measures for pollutants. These water bodies will form 303(d) List. Control measures should address the problem that caused the non-compliance of the standard for the designated use. Each impairment reflected on the 303(d) List requires a calculation of the maximum amount of the impairing pollutant that a water body can receive and still meet water quality standards. This calculation is called the Total Maximum Daily Load (TMDL). TMDL’s include reduction of pollution sources impacting the water body which, when achieved, will result in the attainment of the water quality standard in the impaired water body. In December 2013, Environmental Protection Agency (EPA) announced a new framework for implementing the CWA Section 303(d) Program – A long-term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program. This new vision, encourage states and territories to develop tailored strategies to implementation CWA 303(d) responsibilities of their overall water quality goals and individuals states priorities. Consistent with the new EPA’s vision, PREQB identify those assessment units (AU) for priority restoration and protection activities. This prioritization provides a framework to focus the location and timing for the development of, alternative restoration, protection plans and TMDLs. Those alternatives should include:

Identification of specific impairment addressed by an alternate approach. Planning, development and implement effectiveness monitoring programs. Revisions, and amendments to the existing regulations.


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This report constitutes the PR 305(b)/303(d) Integrated Report (IR) for fiscal year 2016. Its presents

the latest segmentation system established for inland waters (2006 cycle) and coastal waters (2010

cycle). For 2016 cycle there are total of three hundred fifty-eight (358) AU, of these one hundred

ninety-four (194) are river basins, sixty-two (62) are river estuaries, eighteen (18) are lakes, seventeen

(17) lagoons, three (3) are San Juan Bay Estuary System (SJBES) and sixty-four (64) are coastal

shoreline.

The PREQB generates data from five (5) routine monitoring networks. This will provide physical, chemical and biological water quality data from the different water bodies. These are: Surface Water Monitoring Network, Clean Lakes Monitoring Network, Groundwater Monitoring Network, Coastal Monitoring Network and Beach Monitoring and Public Notification Program. Supplementary information, such as: NPDES compliance evaluation inspections, operation and maintenance inspections, pump station by-passes and sanitary sewer system overflow incidents for a period of two years, implementation of BMPs by non-point sources, fish-kills or spill events, make possible identified potential pollution sources. Rivers & Streams The water quality assessment for the 2016 cycle indicates that 3,251.7 miles of all rivers and stream are impaired. The impairment of primary and secondary recreation designated uses was due to total coliforms violations to the standard. For aquatic life designated use copper, low dissolved oxygen and turbidity were the most common causes of impairment. For drinking water designated use the most common cause of impairment were total phosphorus and turbidity. Lakes (reservoirs) The water quality assessment for the 2016 cycle indicates that 7,323 acres of lakes are impaired. There was no impairment for primary and secondary recreation designated uses. For aquatic life designated use low dissolved oxygen, pH and turbidity were the most common causes of impairment. For drinking water designated use the most common cause of impairment was turbidity. Coastal Waters The water quality assessment for the 2016 cycle indicates that 134.1 miles are impaired for the designated use of primary contact recreation due to violations of the water quality standard of enterococcus bacteria. For aquatic life designated use turbidity, low dissolved oxygen and pH were the most common causes of impairment.


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Estuaries The assessment of estuaries corresponds to lower reaches of the rivers near the coastal shoreline as defined in the PRWQSR. The SJBES is addressed separately, below. Islandwide, there are a total of 3,430.3 acres and 107.8 stream miles that form part of estuaries. For at least one designated use, 792.2 acres of estuaries were found to be impaired. The impairment was due violations of the following: low dissolved oxygen, surfactants, total coliforms and turbidity. San Juan Bay Estuary System The SJBES is the only estuary identified as a separate basin due to its complex composition and interrelation of streams, lagoons, channels and closed bay. The 5 basins included in the overall drainage area of the SJBES are Caño Martin Peña, Quebrada Juan Méndez, Quebrada San Antón, Río Piedras and Quebrada Blasina. In the specific case of the SJBES, all 2,453.8 acres and 122.6 stream miles shows impairment for at least one designated use. Among the most important causes of impairment were: fecal coliforms, enterococcus bacterias, low dissolved oxygen, oil & grease, pH, thermal modification (temperature), total coliforms and turbidity. For those water bodies, which our assessment reflected that the water quality criteria are not being achieved, the PREQB will continue to develop and implement strategies directed towards the restoration of the designated water quality. Meanwhile the actions already implemented by the PREQB to address the restoration of the designated water quality in streams, lakes and coastal waters are the following: Implementation of the Watersheds Restoration Action Plan Development of TMDL in the Impaired Basins In developing Section 303(d) lists, PREQB is required to assemble and evaluate all existing and readily available water quality-related data and information, including, at a minimum, consideration of existing and readily available data and information for which water quality problems have been reported by governmental agencies, members of the public or academic institutions. In addition to these categories, Puerto Rico is required to evaluate and consider any other readily available data and information. The list of sources PREQB has actively solicited data from includes government agencies and academic institutions these can be found in the Table 16. PREQB requested recent (three years or less) chemical and biological data on water bodies along with information pertaining to the quality control procedure and protocols that were used to generate the data. A summary of the agencies and academic institutions that submitted data is found in Part B: Water Quality External Data of this document.


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To achieve the restoration and preservation of the designated water quality in our streams, lakes and coastal shorelines will require the coordinated effort of various government agencies, private enterprise and concerned citizen groups as well as outreach and educational programs, both in communities and through the public media. In addition, PREQB will begin with the implementation of the PR Non-Point Sources Management Program (PRNPSMP) and the Clean Water Act 303(d) Program Long – Term Vision. PRNPSMP has set the goal to establish the strategies that will mark the progress to achieve and maintain water quality standards and water quality benefits; short term or long terms objectives that are activity-based measures (milestones) were established to accomplishing the program’s goal. The milestones associated with each objective may include those of local agencies which are partners in the PRNPSMP. The main goal is to identify non-point sources of pollution of surface waters in order to prevent and reduce non-point source pollution, such that water quality standards are achieved. Clean Water Act 303(d) Program Long – Term Vision identify those AU for priority restoration and protection activities. This prioritization provides a framework to focus the location and timing for the development of, alternative restoration, protection plans and TMDLs. Those alternatives should include identification of specific impairment addressed by an alternate approach, planning, development and implement effectiveness monitoring programs and revisions, and amendments to the existing regulations. PREQB recognize that this is a difficult, lengthy and slow process, especially when there are competing issues with respect to the same available resource. However, PREQB are committed to the restoration of our water resources.


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PART A. Background Total Waters Water is the most important resource in the universe and the most essential liquid for all forms of life, nevertheless the most threatened, too. This invaluable resource is threatened by different sources of pollution; which affect the quantity and quality of the water, and therefore the basic and multiple needs associate with it. Consequently, people, communities, agencies, non-governmental organizations (NGO’s) have to work together in order to maintain the integrity and quality of the resource. PREQB is one of the agencies involved in preserving, maintaining and enhancing the island waters quality; between others responsibilities. PREQB groups all the basins in four hydrographic regions, in which the different watersheds are included: to the north (9 watersheds), east (28 watersheds), south (33 watersheds), and west (26 watersheds) (Figure 1).

Figure 1: Watersheds in Puerto Rico

The reservoirs in PR, constructed in the main rivers basins in order to store water for domestic and industrial consumption, irrigation, production of electrical power and control of floods, also provide an additional benefit, recreation (Figure 2). The recreational activities performed in the reservoirs include direct contact (swimming) as indirect contact (recreational fishing and strolls in boat).


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Figure 2: Reservoirs in Puerto Rico

The coastal shoreline, presents a great variety of geologic aspects such as: cliffs, dunes, beaches, wooded hills, sinkhole, forests, lagoons, mangrove, salt mines, earth flooding, bays, small barren islands and keys, which altogether give the characteristics and specific form to the archipelago. The coastal zone is one of the areas of greater tourist-recreational value and the areas bordering to the coasts constitute very active zones of economic and social development, where it undergoes a fast growth of population and an active commercial and industrial growth. Table 1 shows total waters for PR.

Table 1: Total Waters for Puerto Rico Waters Value

Rivers and Streams (miles) 5,052.8 Reservoirs (acres) 7,323 Estuaries (acres) 3,430.3*

Coastal Waters (miles) 546.63 Lagoons (acres) 2,782

* Not included: 2,453.8 acres for the SJBES.


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Water Pollution Control Program After 2006 reorganization, PREQB improve its operational organization to more effective implementation of the various permits issuance and compliance programs. PREQB expects that this change will allow meeting in the following goals: Expedite the issuance of permit Improve the surveillance to assure compliance with permits, regulations and laws, and; Modernization of the operations concerning the management of the different permits review and

issuance procedures. The Water Quality Area (WQA) is composed as follows (Figure 3).

Figure 3: Water Quality Area Organization Chart

As part of their functions is, protect, improve and maintain the quality of the water bodies, in order to attain the propagation and preservation of desirable species. EQB maintains close coordination with federal and state agencies to fulfill its commitment with the protection of the environment. Also, develops regulation and conduct enforcement action in order to control the generation, handling and final disposal of waste and wastewater generated by the industrial and agricultural activities. Following is an overview of the Water Quality Area Divisions. Plans and Special Projects Division manages and evaluates the monitored water quality data to determine if the desirable water quality in the different hydric resources from the country is achieved.


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Plans and Special Projects Division develops the 305(b)/303(d) Integrated Report as required by Clean Water Act. It includes the water quality evaluation for river, stream, coastal, lakes, lagoons, estuary and groundwater of the island. Also, verifies the effectiveness of the management and control programs implemented and develops the strategies for the improvements of the water quality, as required by the CWA and the PRWQSR. Those strategies include; implementation of the TMDL for the impaired water bodies, the Wellhead Protection Program, Non Point Sources Management Program and PR Unified Watershed Assessment and Restoration Activities. Also consistent with the new EPA’s vision, this Division will have the responsible for implementing the CWA Section 303(d) Program – A long-term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program. This new vision, encourage states and territories to develop tailored strategies to implementation CWA 303(d) responsibilities of their overall water quality goals and each states priorities. Other responsibility is the evaluation, preparation and coordination with the Quality Assurance Control Officer of the Water Quality Area and the Division of Environmental Science and Assessment of the USEPA Region II in all sampling and analytical activities that are subjected to a Water Quality Assurance Program Plan. The Beach Monitoring and Public Notification Program also is managing under this Division.

The Underground Injection Control Division was created to regulate/control the facilities with underground injection system (UIS) and responds to the wastewater releases or escapes from these systems that could be affecting the underground water resource. In order to control these types of systems, permits and authorizations are issued, sampling monitoring reports are evaluated, and remedial plans are required to those where the bad operation of the systems has caused spills to the water or to the subsoil. The United States Environmental Protection Agency (USEPA) thru a memorandum of understanding delegated the pursuit of UIS to PREQB. The Point Source Permit Division (PSPD) regulates wastewater treatment systems that do not have direct discharges to surface and coastal waters. The discharge of pollutants to surface and coastal waters are regulated by the National Discharge Elimination System (NPDES) under Section 402 of the Federal Clean Water Act (CWA). This is a program administered by the USEPA. Section 401 of the Act, as amended requires USEPA that prior to issuing a discharge permit under NPDES a Water Quality Certificate must be obtained from state agency with jurisdiction over water pollution control. In PR, such responsibility is also, on PREQB specifically to the PSPD. The Underground Storage Tanks Division was created to regulate/control the UST facilities and responds to of leaking tank that could be affecting the underground water resources. In order to control this type of systems, permits and authorization are issued, sampling monitoring report are evaluated, and remedial plans are required to those where the bad operations of the systems has cause spills to the water or to the subsoil. USEPA thru a memorandum of understanding delegated the pursuit of UST to PREQB. The Erosion Control Division implements and manages the Erosion Control and Sedimentation Prevention Regulation, which performs enforcement actions to the facilities regulated under the


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General Permit. This new permit became effective on 2007. The aforementioned division is responsible to perform inspections to all the permitted projects and presented to EQB in order to verify compliance with the permit granted and take corrective action or legal action if needed. The way to grant this permit was changed, in order to increase the oversight of the project and verify compliance with regulations. The Infrastructure Projects Division has the responsibility of manage the federal funds assigned by USEPA through the State Revolving Fund program. Also, assess the planning, design and construction phases of each project in order to verify compliance with Title VI of the CWA. The Livestock Permit and Compliance Division perform inspections, evaluate and approve the Animal Waste Management Plans that submit livestock enterprises such as: dairy facilities, poultry facilities, horse farms, among others. In January 2009, PREQB approved the Reglamento para el Control de los Desperdicios Fecales de Animales en Confinamiento to regulate the procedures, requirements and prohibitions with respect to the design, implementation, operation and maintenance of the Animal Waste Management Plan for each facility where animal in confinement stay. The Water Sampling Division as part of their responsibilities has to perform the sampling of the surface, coastal, underground waters, lakes and sampling projects in some watersheds in PR. The following Table 2 and Table 3 show a summary of Actions Initiated by Point and Non-Point Source Control Units.

Table 2: Actions Initiated Point Sources Control Units

Actions NPDES Facilities UST UIC Non-Filer (Illegal

Discharges) Certificates or permits Issued 47 1,358 404 101

Total number of inspections 186 778 196 126

Referrals to Legal Affairs 0 31 16 0

Notification of violation 0 337 163 0

Administrative Orders 0 0 16 0

Consent Orders 0 17 0 0 Notification of Applicability 0 0 0 131


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Table 3: Actions Initiated Non-Point Sources Control Units Actions SEC Activities Livestock Enterprises

Certificates or permits Issued 454 112 Total number of inspections 696 581 Referrals to Legal Affairs 57 15 Notification of violation 230 405 Administrative Orders 45 11

Cost/Benefit Assessment Accurate costs associated with water quality improvements in Puerto Rico are not readily available. This type of assessment would require diverse data on government and private expenditures concerning multiple aspects of direct environmental improvement efforts, including installation of treatment methods, changes and improvements in treatment levels, technologies and methods, installation and improvements of sewerage and storm water sewer systems, development and implementation costs of best management practices, as well as urban, rural and industrial development improvements. Other necessary information would include increased use and/or demand of the improved environmental resource as well as the monitoring and assessment efforts and activities performed to measure the improvements or lack of improvements achieved in a given basin or regional area. Although this information is not readily available, we do provide some of the costs involved in efforts pertaining to water quality improvement and protection. These costs are only those incurred directly by PREQB utilizing state and federal funds to operate and manage water quality planning and control programs. Another cost, such as sanitary infrastructure improvements, governmental and private sector expenditures on waste and storm water management and control programs, recreational benefits (including tourism promotional activities and costs), governmental and private expenditures to promote natural resources protection, preservation and enjoyment are not being considered. Table 4 thruTable 7 below provides the major costs incurred with federal and state funds to operate environmental protection and planning activities in the WQA of PREQB.


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Table 4: Federal and State Funds

Categories Performance Partnership Grant (PPG)

Beach Monitoring and Public Notification Program

2014 2015 2014 2015 Federal State Federal State Federal Federal

Salaries 1,780,775 488,642 1,737,002 469,085 177,427 175,720 Fringe Benefits 499,446 137,046 505,315 136,463 49,212 50,953 Travel 60,000 16,464 31,000 8,372 4,600 3,000 Equipment 57,000 15,641 6,400 1,728 - - Supplies 95,000 26,067 46,000 12,422 9,000 3,500 Contractual 85,000 - 80,000 - - - Construction - - - - - - Others 33,685 9,244 33,673 9,094 2,312 434

Table 5: Federal and State Funds (Cont.)

Categories

Water Quality Management 604(B)

State Revolving Fund (SRF)

2014 2015 2014 2015 Federal Federal Federal State Federal State

Salaries 61,205 62,041 383,392 76,678 Fringe Benefits

17,198 17,999 110,320 22,064

Travel 400 400 12,500 2,500 Equipment - - 2,222 444 Supplies 3,353 4,307 712 142 Contractual - 73,600 2,326 2,465 Construction - - - Others 74,000 - 17,583,392 3,657,400 18,193,000 3,638,600


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Table 6: Federal and State Funds (Cont.)

Categories LUST - Corrective UST - Preventive

2014 2015 2014 2015 Federal State Federal State Federal State Federal State

Salaries 158,474 17,609 155,593 17,288 137,638 45,880 176,309 58,770 Fringe Benefits 45,049 5,005 46,154 5,128 39,547 13,182 54,105 18,035 Travel 4,000 444 16,000 1,778 2,000 667 7,600 2,533 Equipment 4,000 444 20,136 2,237 - - 25,335 8,445 Supplies 4,500 500 2,086 232 1,000 334 1,621 541 Contractual 118,000 13,111 135,000 15,000 1,000 333 - - Construction - - - - - - - - Others 2,080 231 11,411 1,268 2,133 711 3,367 1,122

Table 7: Total Federal and State Funds Summary of Federal and State Funds

Federal 43,302,959 State 8,961,389 Total 52,264,348


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Special State Concerns and Recommendations [RESERVED]


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PART B. Assessment Methodology Used for 305(b)/303(d) Integrated Report for 2016 Cycle and Assessment Results

Assessment Units (AU) Assessment Unit for Inland Waters This report constitutes the PR 305(b)/303(d) Integrated Report (IR) for fiscal year 2016. Its presents

the latest segmentation system established for inland waters (2006 cycle) and coastal waters (2010

cycle). For 2016 cycle there are total of three hundred fifty-eight (358) Assessment Units, of these

one hundred ninety-four (194) are river basins, sixty-two (62) are river estuaries, eighteen (18) are

lakes, seventeen (17) lagoons, three (3) are San Juan Bay Estuary and sixty-four (64) are coastal

shoreline.

Each AU generally consists of one of the following:

A section of the main basin, with the corresponding minor first order tributaries. Sub-basin represented by major first order tributary (a river or stream that flows directly

into main basin), second order tributary (a river or stream that flows into a first order tributary, and in some cases, third order tributary (a river or stream that flows into a second order tributary).

In cases where either the main basin or any major tributary includes a lake (reservoir), the lake constitutes another AU. The AU defined by the lake includes the lake (from the dam up to the highest reach that defines the lake) and all the immediate minor tributaries that discharge directly to the lake. This new AU for lakes results in a decrease in stream miles and an increase in lake surface area.

The Table 8 provides basic information pertaining to the 96 basins (194 AU) that compose the current inland waters segmentation system.

Table 8: Basins for the Inland Waters Segmentation System

Basin Name Basin ID Basin Size

(Miles) Region

Sub-Basins

QUEBRADA DE LOS CEDROS PRNQ1A 12.0 N 1 QUEBRADA DEL TORO PRNQ2A 1.0 N 1 RIO GUAJATACA* PRNR3A 38.0 N 4 QUEBRADA BELLACA PRNQ4A 1.7 N 1 RIO CAMUY PRNR5A 48.6 N 1 QUEBRADA SECA PRNQ6A 2.0 N 1 RIO GRANDE DE ARECIBO* PRNR7A 424.6 N 12 RIO GRANDE DE MANATI* PRNR8A 234.6 N 11 RIO CIBUCO* PRNR9A 144.6 N 6 RIO LA PLATA* PRER10A 470.1 E 18 RIO HONDO PRER11A 22.0 E 1


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(Miles) Region

Sub-Basins

RIO BAYAMON* PRER12A 185.0 E 5 SAN JUAN BAY ESTUARY SYSTEM* PREE13A ** E 3 RIO GRANDE DE LOIZA* PRER14A 554.3 E 15 RIO HERRERA PRER15A 17.0 E 1 RIO ESPIRITU SANTO* PRER16A 58.4 E 2 RIO MAMEYES PRER17A 38.9 E 2 QUEBRADA MATA DE PLATANO PREQ18A 4.0 E 1 RIO SABANA PRER19A 33.1 E 2 RIO JUAN MARTIN PRER20A 7.8 E 1 QUEBRADA FAJARDO* PREQ21A 10.0 E 1 RIO FAJARDO PRER22A 59.0 E 1 RIO DEMAJAGUA PRER23A 2.8 E 1 QUEBRADA CEIBA PREQ24A 5.0 E 1 QUEBRADA AGUAS CLARAS PREQ25A 4.8 E 1 RIO DAGUAO PRER26A 13.8 E 1 QUEBRADA PALMA PREQ27A 11.8 E 1 QUEBRADA BOTIJAS PREQ28A 7.4 E 1 RIO SANTIAGO PRER29A 15.3 E 2 RIO BLANCO PRER30A 58.4 E 2 RIO ANTON RUIZ PRER31A 20.4 E 2 QUEBRADA FRONTERA PREQ32A 8.5 E 1 RIO HUMACAO* PRER33A 55.8 E 1 RIO CANDELERO PRER34A 10.4 E 1 RIO GUAYANES* PRER35A 94.6 E 2 QUEBRADA EMAJAGUA PREQ36A 2.5 E 1 RIO MAUNABO* PRER37A 36.0 E 1 QUEBRADA MANGLILLO PRSQ38A 1.0 S 1 QUEBRADA FLORIDA PRSQ39A 3.0 S 1 RIO JACABOA PRSR40A 13.0 S 1 QUEBRADA PALENQUE PRSQ41A 1.0 S 1 RIO CHICO PRSR42A 14.6 S 1 RIO GRANDE DE PATILLAS* PRSR43A 48.6 S 4 QUEBRADA YAUREL PRSQ44A 6.0 S 1 RIO NIGUAS – ARROYO PRSR45A 21.0 S 1 QUEBRADA SALADA PRSQ46A 1.7 S 1 QUEBRADA CORAZON PRSQ47A 9.7 S 1 QUEBRADA BRANDERI PRSQ48A 4.5 S 1 RIO GUAMANI PRSR49A 22.0 S 1 QUEBRADA MELANIA PRSQ50A 7.0 S 2


- 21 -



(Miles) Region

Sub-Basins

RIO SECO PRSR51A 24.7 S 1 QUEBRADA AMOROS PRSQ52A 0.7 S 1 QUEBRADA AGUAS VERDES PRSQ53A 15.0 S 1 RIO NIGUAS – SALINAS PRSR54A 102.5 S 1 RIO JUEYES PRSR55A 11.0 S 1 RIO CAYURES PRSR56A 5.0 S 1 RIO COAMO* PRSR57A 115.7 S 3 RIO DESCALABRADO PRSR58A 18.8 S 1 RIO CAÑAS PRSR59A 8.0 S 1 RIO JACAGUAS PRSR60A 89.5 S 4 RIO INABON PRSR61A 66.7 S 1 RIO BUCANA – CERRILLOS* PRSR62A 60.4 S 3 RIO PORTUGUES* PRSR63A 54 S 1 RIO MATILDE - PASTILLO PRSR64A 51.2 S 2 RIO TALLABOA PRSR65A 59.6 S 1 RIO MACANA PRSR66A 21.7 S 1 RIO GUAYANILLA* PRSR67A 60.0 S 1 RIO YAUCO PRSR68A 93.7 S 3 RIO LOCO PRSR69A 113.4 S 3 RIO ARROYO CAJUL PRSR70A 7.4 S 1 QUEBRADA BOQUERON PRWQ71A 11.7 W 1 QUEBRADA ZUMBON PRWQ72A 1.7 W 1 QUEBRADA GONZALEZ PRWQ73A 1.8 W 1 QUEBRADA LOS PAJARITOS PRWQ74A 2.7 W 1 CAÑO CONDE AVILA PRWK75A 4.0 W 1 QUEBRADA IRIZARRY PRWQ76A 2.0 W 1 RIO GUANAJIBO* PRWR77A 324.6 W 9 CANO MERLE PRWK78A 11.1 W 2 RIO YAGUEZ* PRWR79A 42.2 W 1 QUEBRADA DEL ORO PRWQ80A 10.0 W 1 CAÑO MANI PRWK81A 3.0 W 1 CAÑO BOQUILLA PRWK82A 12.3 W 3 RIO GRANDE DE AÑASCO* PRWR83A 488.6 W 10 QUEBRADA JUSTO PRWQ84A 1.0 W 1 QUEBRADA ICACOS PRWQ85A 1.4 W 1 QUEBRADA CAGUABO PRWQ86A 1.0 W 1 CAÑO GARCIA PRWK87A 2.0 W 1 QUEBRADA GRANDE DE CALVACHE

PRWQ88A 14.8 W 1


- 22 -



(Miles) Region

Sub-Basins

QUEBRADA LOS RAMOS PRWQ89A 6.9 W 1 QUEBRADA PUNTA ENSENADA PRWQ90A 5.0 W 1 QUEBRADA PILETAS PRWQ91A 2.0 W 1 RIO GRANDE PRWR92A 21.8 W 1 CAÑO DE SANTI PONCE PRWK93A 4.8 W 1 RIO GUAYABO PRWR94A 43.1 W 1 RIO CULEBRINAS* PRWR95A 308.8 W 11 CAÑO CORAZONES PRWK96A 1.3 W 1

*Basins with monitoring station **The SJBES increased in size because it receives the total miles of five streams basins that contribute to the total drainage area of the estuary system. These water bodies were previously considered as separate basins.

Of the 194 AU for rivers and streams, fifty (50) AU are monitored routinely. Also, three (3) routinely stations were located in two (2) AU of the SJBES. Fifty-three (53) AU were monitored with Special Project Station. (See Table 9)

Table 9: AU with monitoring stations

AU Name AU ID

AU with permanent Monitoring

Station

AU with Special Project Monitoring

Station

Río Guajataca PRNR3A1 X Río Guajataca PRNR3A2 X Quebrada las Sequías PRNQ3B X Río Grande de Arecibo PRNR7A1 X Río Grande de Arecibo PRNR7A2 X Río Grande de Arecibo PRNR7A3 X Río Caonillas PRNR7C1 X Río Limón PRNR7C2 X Río Yunes PRNR7C3 X Río Tanamá PRNR7B2 X Río Grande de Manati PRNR8A1 X Río Grande de Manati PRNR8A2 X Río Grande de Manati PRNR8A3 X Río Cialito PRNR8B X Río Toro Negro PRNR8C1 X Río Bauta PRNR8C2 X Río Sana Muertos PRNR8D X Río Orocovis PRNR8E1 X Río Botijas PRNR8E2 X


- 23 -


AU Name AU ID


Station


Station

Río Cibuco PRNR9A X Río Indio PRNR9B1 X Río de los Negros PRNR9D X Río de La Plata PRER10A1 X Río de La Plata PRER10A3 X Río de La Plata PRER10A4 X Río de La Plata PRER10A5 X Río Lajas PRER10B X Río Bucarabones PRER10C X Río Guadiana PRER10E X Río Arroyata PRER10G X Rio Matón PRER10J X Río Hondo PRER11A X Río Bayamón PRER12A1 X Río Bayamón PRER12A2 X Río Guaynabo PRER12B X San Juan Bay Estuary System PREE13A2 X San Juan Bay Estuary System PREE13A3 X Río Grande de Loiza PRER14A1 X Río Grande de Loiza PRER14A2 X Río Canóvanas PRER14B X Río Canovanillas PRER14C X Quebrada Maracuto PREQ14D X Quebrada Grande PREQ14E X Río Cañas PRER14F X Río Gurabo PRER14G1 X Río Valenciano PRER14G2 X Río Bairoa PRER14H X Río Cagüitas PRER14I X Río Turabo PRER14J X Río Cayaguas PRER14K X Río Emajagua PRER14L X Río Herrera PRER15A X Río Espiritu Santo PRER16A X Río Mameyes PRER17A X Quebrada Mata de Plátano PREQ18A X Río Fajardo PRER22A X


- 24 -


AU Name AU ID


Station


Station

Río Demajagua PRER23A X Quebrada Ceiba PREQ24A X Río Daguao PRER26A X Río Antón Ruiz PRER31A X Río Humacao PRER33A X Río Guayanés PRER35A X Río Maunabo PRER37A X Río Chico PRSR42A X Río Grande de Patillas PRSR43A2 X Quebrada Melania PRSQ50A X Quebrada Aguas Verdes PRSQ53A X Río Niguas de Salinas PRSR54A X Río Cayures PRSR56A X Río Coamo PRSR57A2 X Río Cuyón PRSR57B X Río Bucaná – Cerrillos PRSR62A1 X Río Bucaná – Cerrillos PRSR62A2 X Río Portugués PRSR63A X Río Guayanilla PRSR67A X Río Yauco PRSR68A1 X Río Loco PRSR69A1 X Quebrada Zumbón PRWQ72A X Río Guanajibo PRWR77A X Río Rosario PRWR77C X Río Viejo PRWR77D X Río Duey-Hoconuco PRWR77E X Caño Merle PRWE78A X Río Yagüez PRWR79A X Río Grande de Añasco PRWR83A X Río Casey PRWR83C X Río Humata PRWR83D X Río Mayagüecillo PRWR83F X Río Guabá PRWR83G X Río Blanco PRWR83H X Río Prieto PRWR83I X Quebrada Grande de Calvache PRWE88A X Río Guayabo PRWR94A X (two stations)


- 25 -


AU Name AU ID


Station


Station

Río Culebrinas PRWR95A X Río Caño (Rio Cañas) PRWR95B X Quebrada Grande (Sector Cuchillas)

PRWQ95C X

Quebrada Las Marías PRWQ95D X Quebrada La Salle PRWQ95F X Quebrada El Salto PRWQ95G X Quebrada Grande de La Majagua

PRWQ95H X

Quebrada Salada PRWQ95I X Río Sonador PRWR95J X Río Guatemala PRWR95K X

Table 10 shows the AUs that does not have monitoring stations.

Table 10: AU without monitoring stations AU Name AU ID

Quebrada de Los Cedros PRNQ1A Quebrada del Toro PRNQ2A Quebrada Bellaca PRNQ4A Río Camuy PRNR5A Quebrada Seca PRNQ6A Río Santiago PRNR7A1a Río Tanamá PRNR7B1 Río Morovis PRNR9B2 Río Unibón PRNR9B3 Río Mavillas PRNR9C Río de La Plata PRER10A2 Río Cañas PRER10D Río Cuesta Arriba PRER10F Río Hondo PRER10H Río Usabón PRER10I1 Río Aibonito PRER10I2 Río Guavate PRER10K Río Minillas PRER12C Río Espíritu Santo PRER16A1 Río Mameyes PRER17A1


- 26 -


Río Sábana PRER19A Río Sábana PRER19A1 Río Juan Martín PRER20A Quebrada Fajardo PREQ21A Quebrada Aguas Claras PREQ25A Quebrada Palma PREQ27A Quebrada Botijas PREQ28A Río Santiago PRER29A Río Santiago PRER29A1 Río Blanco PRER30A Quebrada Peña Pobre PREQ30B Quebrada Mulas PREQ31A1 Quebrada Fronteras PREQ32A Río Candelero PRER34A Río Ingenio PRER35A1 Quebrada Emajagua PREQ36A Quebrada Manglillo PRSQ38A Quebrada Florida* PRSQ39A Río Jacaboa PRSR40A Quebrada Palenque PRSQ41A Río Grande de Patillas PRSR43A1 Río Marín PRSR43B Quebrada Yaurel PRSQ44A Río Niguas de Arroyo PRSR45A Quebrada Salada PRSQ46A Quebrada Corazón PRSQ47A Quebrada Branderi PRSQ48A Río Guamaní PRSR49A Río Seco PRSR51A Quebrada Amorós PRSQ52A Río Jueyes PRSR55A Río Coamo PRSR57A1 Río Descalabrado PRSR58A Río Cañas PRSR59A Río Jacaguas PRSR60A1 Río Jacaguas PRSR60A2 Río Inabón PRSR61A Río Matilde-Pastillo PRSR64A Quebrada del Agua PRSQ64A1 Río Tallaboa PRSR65A


- 27 -


Río Macaná PRSR66A Río Yauco PRSR68A2 Río Loco PRSR69A2 Río Arroyo Cajúl PRSR70A Quebrada Boquerón PRWQ71A Quebrada González PRWQ73A Quebrada Los Pajaritos PRWQ74A Caño Conde Ávila PRWK75A Quebrada Irizarry PRWQ76A Río Hondo PRWR77B Río Caín PRWR77F Río Cupeyes PRWR77G Río Cruces PRWR77H Río Grande PRWR77I Caño Merle PRWK78A Caño Merle PRWK78A1 Quebrada del Oro PRWQ80A Caño Maní PRWK81A Caño Boquillas PRWK82A Caño Boquillas PRWK82A1 Caño Boquillas PRWK82A2 Río Cañas PRWR83B Río Arenas PRWR83E Quebrada Justo PRWQ84A Quebrada Icacos PRWQ85A Quebrada Caguabo PRWQ86A Caño Garcia PRWK87A Quebrada Grande de Calvache PRWQ88A Quebrada Los Ramos PRWQ89A Quebrada Punta Ensenada PRWQ90A Quebrada Piletas PRWQ91A Río Grande PRWR92A Caño de Santi Ponce PRWK93A Quebrada Yagruma PRWQ95E Caño Corazones PRWK96A

* This AU was always dry in this cycle and not assess For purposes of water quality assessment and planning, PREQB continues to group all the basins into four (4) geographic regions. The Table 11 presents geographic regions with its corresponding basins as part of the monitoring network.


- 28 -

Table 11: Geographic Regions

Region Basin Basins in Permanent Stream Water Quality

Network AU By External Data

North 9 4 8 South 33 5 8 East 28* 10 17 West 26 4 20

* Included the San Juan Bay Estuary System

For AU with monitoring stations, the water quality assessment made with the data generated at each station is considered to be indicative of the water quality upstream along the whole AU until it reaches another. Supplementary information, such as: NPDES compliance evaluation inspections, operation and maintenance inspections, pump station by-passes and sanitary sewer system overflow incidents for a period of two (2) years, implementation of Best Management Practices (BMPs) by non-point sources, fish-kills or spill events, that make possible identified potential pollution sources. Assessment Unit for Coastal Shoreline

The Coastal Shoreline consists of sixty-four (64) AU or segments from which fifty-six (56) have monitoring stations and eight (8) AU are assessed without monitoring stations (The AU that do not have monitoring stations were classified on Category 3: Waters for which insufficient available data and/or information to determine if any designated uses are being attained). PREQB completed the relocation process of the coastal stations with the purpose that the greater amount of AUs are monitored (See Figure 4). These changes were reflected in the year 2014 and will be included in 2016 cycle.

With the purpose that the greater amount of AUs are monitored, PREQB performed a relocation of the monitoring network. The following description provides the rationale for setting the number of stations according to the length of the AU:

AU with a length of 11 miles or greater, generally have 3 stations AU whose length is less than 11 miles but not greater than or equal to 4 miles, usually

have two stations AU whose length is less than 4 miles usually has one station.

Due to accessibility, the monitoring network excluded AU of Roosevelt Roads Naval Station in Ceiba (PREC21 and PREC22), Vieques (PRVC54B), Culebra (PRCC53), and Mona Island (PRMC55). Also, AU Isla de Cabra to Punta El Morro (PREC11) was not included.

Nevertheless, the AU that have classified as SA waters are not monitoring by the Coastal Monitoring

Network. The Class SA waters are defined in the Puerto Rico Water Quality Standard Regulation

(PRWQSR), as coastal and estuarine waters of high quality or exceptional ecological or recreational


- 29 -

value whose existing conditions shall not be altered, except by natural phenomena, as defined under

this regulation in order to preserve its natural characteristics. The Class SA waters including in the

PRWQSR are the following: Bahía Bioluminiscente La Parguera, Lajas, 2.00 miles (AU PRSC41A1),

Bahía Monsio José, Lajas, 3.72 miles (AU PRSC41A2) and Bahía Mosquito, Vieques, 3.00 miles (AU

PRVC54A).

Due to this fact, PREQB decides to develop a separate network for Class SA waters. The lack of

baseline water quality data to evaluate the ecological health of this classification, occasioned that it

was necessary to begin the collection of water samples for analyses of chemical, physical and

bacteriological characteristics to assess the water quality of that waterbodies. In order to begins to

collect water quality information regarding the Class SA waters, PREQB, in coordination with USGS

has developed a monitoring program for the assessment of 20 coastal lagoons in the main island of

Puerto Rico and one in the island of Vieques (including Class SA waters), using the funds available

from the 106 monitoring initiatives included in the Performance Partnership Grant (PPG). The main

objective was to assess the general water quality of the selected lagoons and establish a data base that

will be used to evaluate baseline water quality, natural and human pollution induced effects. Findings

of this study led lagoons entered into 2014 303(d) List.

In order to continue to obtain more information about this type of water, two lagoons of the 20 previously studied were chosen. The project name is Hydrologic and Water Quality Characteristics of Puerto Rico Mosquito Bay, Vieques and Caño Boquerón, Cabo Rojo, Puerto Rico, 2015-2016. The objective of the project is to determine hydrologic and water quality characteristics at two selected coastal lagoons: Bahía Puerto Mosquito in Vieques and Caño Boquerón in Cabo Rojo, Puerto Rico and emphasize their importance in terms of their organic matter production and carbon sequestration the implications on the natural food chain, and their role in coastal carbon cycles. The results of this study will provide a better understanding of the principal mechanisms important in the hydrology and water quality of these lagoons and, if necessary, what remedial actions are needed to improve their ecological health. The study encompasses the west coast of Puerto Rico as well as the Island of Vieques. Data collection includes monthly measurements at five stations in each lagoon of physical, chemical, biological, and bacteriological parameters to define their temporal and spatial variability during one year. The study includes two diel studies to determine community productivity rates, diurnal variation of selected water-quality characteristics, bathymetry and water exchange of the lagoon with the ocean through their inlet/outlet channels. In addition, sediment cores will be collected to determine depositional rates at these lagoons. The study began in July 2015 and will be completed by September 2016. Funds for this study were available from Water Quality Management Planning 604(b) Federal Grant. The Table 12 summarize the coastal shoreline segmentation, the Segment Name (AU) column

indicates where AU begins and where it ends.


- 30 -

Table 12: Assessment Units for the coastal shoreline

Segment ID Segment Name (AU) Segment

Size (miles) Region

PRNC01* Punta Borinquén to Punta Sardina 11.72 North PRNC02* Punta Sardina to Punta Manglillo 14.10 North PRNC03* Punta Manglillo to Punta Morrillos 9.65 North PRNC04* Punta Morrillos to Punta Manatí 13.66 North PRNC05* Punta Manatí to Punta Chivato 7.46 North PRNC06* Punta Chivato to Punta Puerto Nuevo 3.23 North PRNC07* Punta Puerto Nuevo to Punta Cerro Gordo 5.05 North PRNC08* Punta Cerro Gordo to Punta Boca Juana 7.32 North PREC09* Punta Boca Juana to Punta Salinas 5.78 East PREC10B* Punta Salinas to Río Bayamón mouth 2.91 East PREC10C* Río Bayamón mouth to Isla de Cabras 6.63 East

PREC11 Isla de Cabras to Punta del Morro 7.79 East PREC12* Punta del Morro to west side of Condado Bridge 3.50 East PREC13* East side of Condado Bridge to Punta Las

Marias 4.31 East

PREC14* Punta Las Marías to Punta Cangrejos 4.19 East PREC15* Punta Cangrejos to Punta Vacía Talega 6.23 East PREC16* Punta Vacía Talega to Punta Miquillo 9.46 East PREC17* Punta Miquillo to Punta La Bandera 8.41 East PREC18* Punta La Bandera to Cabezas de San Juan 10.46 East PREC19* Cabezas de San Juan to Punta Barrancas 7.08 East PREC20* Punta Barrancas to Punta Medio Mundo 5.33 East PREC21 Punta Medio Mundo to Punta Puerca 3.00 East PREC22 Punta Puerca to Isla Cabras 3.30 East PREC23* Isla Cabras to Punta Cascajo 8.83 East PREC24* Punta Cascajo to Punta Lima 9.07 East PREC25* Punta Lima to Morro de Humacao 9.83 East PREC26* Morro de Humacao to Punta Candelero 1.84 East PREC27* Punta Candelero to Punta Guayanés 3.74 East

PREC28C* Punta Guayanés to Punta Quebrada Honda 4.68 East PREC28B* Punta Quebrada Honda to Punta Yeguas .74 East PREC29* Punta Yeguas to Punta Tuna 4.35 East PREC30* Punta Tuna to Cabo Mala Pascua 2.65 East PRSC31* Cabo Mala Pascua to Punta Viento 4.06 South PRSC32* Punta Viento to Punta Figuras 6.16 South PRSC33* Punta Figuras to Punta Ola Grande 8.10 South PRSC34* Punta Ola Grande to Punta Petrona 40.96 South PRSC35* Punta Petrona to Punta de Cabullones 2.53 South


- 31 -

Table 12: Assessment Units for the coastal shoreline

Segment ID Segment Name (AU) Segment

Size (miles) Region

PRSC36B* Punta de Cabullones to Punta Carenero 6.70 South PRSC36C* Punta Carenero to Punta Cucharas 9.23 South PRSC37B* Punta Cuchara to Cayo Parguera 3.30 South PRSC37C* Cayo Parguera to Punta Guayanilla 4.20 South PRSC38* Punta Guayanilla to Punta Verraco 13.20 South PRSC39* Punta Verraco to Punta Ballenas 6.41 South PRSC40* Punta Ballenas to Punta Brea 13.26 South

PRSC41B1* Punta Brea to Bahía Fosforescente La Parguera 10.93 South PRSC41A1 Bahía Fosforescente La Parguera 2.00 South PRSC41B2* Bahía Fosforescente to Punta Cueva de Ayala 7.00 South PRSC41A2 Bahía Monsio José 3.72 South PRSC41B3* Bahía Monsio José to Faro de Cabo Rojo 13.45 South PRWC42* Faro de Cabo Rojo to Punta Águila 2.89 West PRWC43* Punta Águila to Punta Guaniquilla 9.54 West PRWC44* Punta Guaniquilla to Punta La Mela 2.50 West PRWC45 Punta La Mela to Punta Carenero 2.95 West PRWC46* Punta Carenero to front of Cayo Ratones 4.00 West PRWC47* In front of Cayo Ratones to Punta Guanajibo 3.85 West PRWC48* Punta Guanajibo to Punta Algarrobo 5.60 West PRWC49* Punta Algarrobo to Punta Cadena 6.98 West PRWC50* Punta Cadena to Punta Higüero 4.98 West PRWC51* Punta Higüero to Punta del Boquerón 6.14 West PRWC52* Punta del Boquerón to Punta Borinquén 6.80 West PRCC53 Culebra Island 32.70 Offshore Islands

PRVC54A Bahía Mosquito 3.00 Offshore Islands PRVC54B** Vieques Island 67.60 Offshore Islands

PRMC55 Mona Island 18.60 Offshore Islands * Assessment Units with monitoring stations ** Assessment Unit with monitoring station only from the Beach Monitoring and Public Notification Program Network.


- 32 -

Figure 4: Puerto Rico Coastal Shoreline Segmentation System


- 33 -

Monitoring Program Permanent Water Quality Monitoring Network The PREQB monitoring activities for this reporting cycle (October 1, 2013 to September 30, 2015), included routine ambient water quality sampling at the various networks, special water quality studies performed in the water bodies of concern and external or secondary data requested. Also, where available, effluent quality data from the discharge monitoring reports submitted by NPDES permitted point sources are use as contributing sources that may impact the use support potential of the water bodies. In addition, PREQB may perform special sampling activities whenever necessary to investigate fish kills, hydrocarbons leaks and spills, and illegal discharges to storm sewers and water bodies in order to obtain water quality data to assess the impact. In this cycle the PREQB generates data from five (5) routine monitoring networks. This will provide physical, chemical and biological water quality data from the different water bodies. These are:

Surface Water Monitoring Network: Operated by the United States Geological Services (USGS) under a cooperative agreement with Puerto Rico, this network includes water quality-sampling stations in the 23 major river basins in the north, south, east, and west hydrographic regions of Puerto Rico. The USGS collects samples on a quarterly basis and analyzes for the following parameters:

Flow * Fecal Coliforms

Specific Conductance * Ammonia as Nitrogen

Temperature Nitrate + Nitrite as Nitrogen

Dissolved Oxygen Total Phosphorus

Turbidity Hardness

pH Total Coliforms

Total Nitrogen

* Parameter that does not have numeric standard as establish in the PRWQSR

Analyses for the detection of free cyanide and methylene blue active substances (MBAS), as well as the other following parameters, are performed twice a year:

* Parameter that does not have numeric standard as establish in the PRWQSR

Additional samples are collected for dissolved solids, as calcium and magnesium.

Clean Lakes Monitoring Network: Operated by PREQB, this network monitors water

quality in the 19 major lakes (reservoirs) that are mostly used as raw sources of public

Arsenic (As) Mercury (Hg) Iron (Fe)*

Cadmium (Cd) Selenium (Se) Zinc (Zn)

Lead (Pb) Silver (Ag) Copper (Cu)


- 34 -

water supply, propagation and preservation of desirable species, including threatened and endangered species, as well as primary and secondary contact recreation. See Table 13.

Table 13: Lakes Monitoring Network

Basin Segment Waterbody

Name WB Size

(acres/miles) 2016 Permanent

Monitoring Station ID Rio Guajataca Lago Guajataca

PRNL3A1 1000 acres 2.6 miles

10720 10790

10790C Rio Grande De Arecibo Lago Dos Bocas

PRNL17A1 634 acres 6.9 miles

25110 27090

27090E Rio Grande De Arecibo Lago Caonillas

PRNL27C1 700 acres 11.8 miles

89001 89002 89003

Rio Grande De Arecibo Lago Garzas PRNL37A3

108 acres 2.7 miles

20050

Rio Grande De Manatí Lago Guineo PRNL18C1

54 acres 1.7 miles

89008

Rio Grande De Manatí Lago Matrullas PRNL28C1

77 acres 3.0 miles

89009 89010

Rio De La Plata Lago de La Plata PREL110A1

560 acres 15.0 miles

44400 44950

44950C Rio De La Plata Lago Carite

PREL210A5 333 acres 11.3 miles

39900 39950

39950C Rio Bayamón Lago Cidra

PREL12A2 268 acres 8.3 miles

89029 89030 89031

Estuario De La Bahia De San Juan

Lago Las Curias PREE13A2

55 acres 89027

Rio Grande De Loiza Lago Loiza PREL14A1

713 acres 7.2 miles

57500 58800

58800D Rio Grande De Patillas Lago Patillas

PRSL43A1 312acres 89022

89023 89024

Quebrada Melania Lago Melania PRSL50A

35acres 89026

Rio Jacaguas Lago Guayabal PRSL160A1

373 acres 5.9 miles

89011 89012 89013


- 35 -

Table 13: Lakes Monitoring Network

Basin Segment Waterbody

Name WB Size

(acres/miles) 2016 Permanent

Monitoring Station ID Rio Jacaguas Lago Toa Vaca

PRSL260A1 836 acres 31.5 miles

89014 89015 89016

Rio Bucana-Cerrillos Lago Cerrillos PRSL62A1

700 acres 89032 89033 89034

Rio Yauco Lago Luchetti PRSL68A1


89017 89018 89019

Rio Loco Lago Loco PRSL69A

69 acres 1.5 miles

89021C

Rio Grande de Añasco Lago Guayo PRWL83H


89004 89005 89006

Samples taken at these lakes are analyzed for the following parameters:

Ammonia (NH3) as N Dissolved Oxygen (DO) (profile)

Chlorophyll “a” * Mercury (Hg)

Fecal Coliforms Total Phosphorous (TP)

Hardness Turbidity

Nitrate (NO3 -) + Nitrite (NO2

-) Pesticides (organochlorides)

pH Temperature (profile)

*Parameter that does not have numeric standard as establish in the PRWQSR

All parameters are collected once in each of three (3) sampling cycles (rainy season, dry season, and midpoint between these two periods).

Groundwater Monitoring Network: The network is composed of fifty-three (53) wells,

which are drinking water supply wells operated by the Puerto Rico Aqueduct and Sewer Authority (PRASA). The wells per municipalities were selected based on five (5) selection criteria, which are: groundwater dependence, hydrogeological characteristics, presence of potential pollution sources, critical or ecological sensitive areas, and presence of pollutants. This network sampled one time per year, for each of the following parameters:

Fecal Coliforms Temperature (oC)

Conductivity Nitrite-N (as N)

pH NO3 + NO2 (as N)

Residual Chlorine Pesticides

VOC SVOC


- 36 -

Coastal Monitoring Network: Operated by PREQB, this network includes one hundred

four (104) monitoring stations around the coastal perimeter of Puerto Rico (See Table 14). The network covers a total of 419.01 coastal miles of Puerto Rico’s main island, out of a total 546.63 shore miles from the archipelago. The Coastal Monitoring Network Stations are sampled for the following parameters:

Fecal Coliforms Ammonia-N

Enterococcus Dissolved Oxygen

pH Salinity

Temperature NO3 + NO2 - N

Turbidity ***Oil and Grease

**Mercury **Metals

** For this cycle 2016 there are not samples collected for these parameters. The samples for these parameters will be collected and analyzed as soon as the laboratory equipment is installed and all the procedure to use the equipment are carried out. *** Sample for this parameter will be collected only if oil sheen is observed in the water body.

Table 14: Coastal Monitoring Network - Monitoring Stations Station Number

AU ID Classification (WQSR)

Coordinates Frecuency of Sampling Latitude Longitude

MAC-049 PRNC04 SB 18o 29΄ 12.30˝ 66o 40΄ 33.92˝ Every two months SBZ-008 PRNC04 SB 18o 29΄ 03.84˝ 66o 34΄ 39.01˝ Every two months MAC-055 PRNC04 SB 18o 28΄ 54.93˝ 66o 32΄ 11.61˝ Every two months SEG5-01 PRNC05 SB 18o 28΄ 36.50˝ 66o 30΄ 24.80˝ Every two months SBZ-010 PRNC05 SB 18o 28΄ 22.50˝ 66o29΄08.36˝ Every two months

MAC-087 PRNC06 SB 18o 29΄ 30.80˝ 66o 23΄ 55.28˝ Every two months SEG7-01 PRNC07 SB 18o 29΄ 24.70˝ 66o 23΄ 40.49˝ Every two months

MAC-088 PRNC07 SB 18o 28΄ 52.56˝ 66o 20΄ 26.81˝ Every two months SBZ-013 PRNC08 SB 18o 28΄ 32.86˝ 66o 19΄ 11.95˝ Every two months SBZ-014 PRNC08 SB 18o 28΄ 28.22˝ 66o 16΄ 51.88˝ Every two months SEG9-01 PRNC09 SB 18o 28΄ 15.66˝ 66o 14΄ 47.38˝ Every two months MAC-077 PRNC09 SB 18o 28΄ 21.27˝ 66o 11΄ 09.68˝ Every two months MAC-063 PREC10B SB 18o 27΄ 17.64˝ 66o 10΄ 43.31˝ Every two months SEG10C-01 PREC10C SC 18o 27΄ 09.58˝ 66o 09΄ 27.38˝ Every two months SEG10C-02 PREC10C SC 18o 27΄ 55.18˝ 66o 08΄ 19.21˝ Every two months

SBZ-019 PREC12 SB 18 o 28΄ 01.72˝ 66 o 05΄ 25.19˝ Every two months SBZ-018 PREC12 SB 18o 28΄ 00.23˝ 66o 05΄ 12.00˝ Every two months

B-1 PREC13 SB 18o 27΄ 40.07˝ 66o 04΄ 56.67˝ Every two months B-2 PREC13 SB 18o 27΄ 10.84˝ 66o 02΄ 55.97˝ Every two months

EB-40 PREC14 SB 18o 26΄ 38.73˝ 66o 01΄ 19.74˝ Every two months SEG14-01 PREC14 SB 18o 26΄ 45.50˝ 66o 00΄ 13.10˝ Every two months

B-3 PREC14 SB 18 o 27΄ 01.86˝ 65 o 59΄ 48.63˝ Every two months


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SEG14-02 PREC14 SB 18o27΄32.84˝ 66o59΄34.27˝ Every two months SBZ-024 PREC15 SB 18o 27΄ 22.62˝ 65o 58΄ 25.74˝ Every two months SBZ-026 PREC15 SB 18o 26΄ 52.29˝ 65o 54΄ 22.43˝ Every two months SBZ-027 PREC16 SB 18o 26΄ 04.49˝ 65o 51΄ 08.34˝ Every two months SBZ-028 PREC16 SB 18o 25΄ 24.30˝ 65o 49΄ 44.73˝ Every two months SEG17-01 PREC17 SB 18o 24΄ 08.80˝ 65o 46΄ 19.90˝ Every two months MAC-009 PREC17 SB 18o 23΄ 05.67˝ 65o 43΄ 47.98˝ Every two months SBZ-030 PREC18 SB 18o 22΄ 54.72˝ 65o 43΄ 06.45˝ Every two months SEG23-01 PREC23 SB 18o 13΄ 29.20˝ 65o 37΄ 00.40˝ Every two months SEG20-02 PREC20 SB 18o 15΄ 46.10˝ 65o 37΄ 48.13˝ Every two months SEG20-01 PREC20 SB 18o 17΄ 06.10˝ 65o 37΄ 52.60˝ Every two months MAC-078 PREC19 SB 18o 20΄ 02.39˝ 65o 37΄ 48.76˝ Every two months MAC-010 PREC18 SB 18o 22΄ 10.45˝ 65o 38΄ 10.79˝ Every two months SEG24-02 PREC24 SB 18o 12΄ 10.90˝ 65o 40΄ 08.10˝ Every two months SEG25-01 PREC25 SB 18o 11΄ 22.80˝ 65o 43΄ 10.60˝ Every two months MAC-080 PREC25 SB 18o 11΄ 12.94˝ 65o 43΄ 33.48˝ Every two months MAC-081 PREC25 SB 18o 09΄ 27.90˝ 65o 45΄ 21.44˝ Every two months SEG26-01 PREC26 SB 18o 06΄ 32.70˝ 65o 47΄ 00.60˝ Every two months SEG27-01 PREC27 SB 18o 04΄ 52.64˝ 65o 47΄ 47.60˝ Every two months MAC-012 PREC28C SB 18o 03΄ 45.70˝ 65o 49΄ 09.10˝ Every two months SBZ-040 PRSC32 SB 17o 58΄ 26.00˝ 65o 59΄ 19.00˝ Every two months SEG31-01 PRSC31 SB 17o 58΄ 23.50˝ 65o 56΄ 39.10˝ Every two months MAC-082 PREC30 SB 17o 59΄ 31.69˝ 65o 53΄ 28.32˝ Every two months SEG29-02 PREC29 SB 18o 00΄ 20.70˝ 65o 52΄ 16.60˝ Every two months SEG29-01 PREC29 SB 18o 00΄ 53.90˝ 65o 50΄ 44.50˝ Every two months SBZ-038 PREC28B SB 18o 01΄ 44.54˝ 65o 49΄ 52.27˝ Every two months SBZ-037 PREC28C SC 18o 02΄ 34.97˝ 65o 50΄ 00.06˝ Every two months

MAC-020 PRSC35 SB 17o 57΄ 13.67˝ 66o 24΄ 22.76˝ Every two months SEG34-02 PRSC34 SB 17o 57΄ 35.60˝ 66o 22΄ 13.50˝ Every two months SEG34-01 PRSC34 SB 17o 58΄ 39.30˝ 66o 19΄ 56.90˝ Every two months MAC-019 PRSC34 SB 17o 57΄ 04.76˝ 66o 13΄ 34.38˝ Every two months MAC-017 PRSC33 SB 17o 55΄ 55.97˝ 66o 09΄ 03.62˝ Every two months SEG33-01 PRSC33 SB 17o 57΄ 46.18˝ 66o 03΄ 55.95 Every two months MAC-083 PRSC32 SB 17o 57΄ 43.14˝ 66o 02΄ 23.94˝ Every two months MAC-084 PRSC37B SB 17o 58΄ 15.88˝ 66o 40΄ 38.16˝ Every two months MAC-023 PRSC36C SC 17o 58΄ 54.05˝ 66o 37΄ 33.87˝ Every two months MAC-022 PRSC36C SC 17o 58΄ 13.93˝ 66o 37΄ 04.75˝ Every two months SEG36B-01 PRSC36B SB 17o 58΄ 09.40˝ 66o 36΄ 09.80˝ Every two months SEG35-02 PRSC35 SB 17o 58΄ 30.80˝ 66o 32΄ 09.40˝ Every two months PSEG35-01 PRSC35 SB 17o 59΄ 26.10˝ 66o 29΄ 11.20˝ Every two months MAC-030 PRSC39 SB 17o 57΄ 54.22˝ 66o 48΄ 33.45˝ Every two months


- 38 -




MAC-028 PRSC38 SC 17o 59΄ 43.51˝ 66o 47΄ 06.50˝ Every two months MAC-089 PRSC38 SC 18o 00΄ 22.54˝ 66o 46΄ 06.00˝ Every two months MAC-027 PRSC38 SC 17o 59΄ 39.62˝ 66o 45΄ 43.21˝ Every two months MAC-025 PRSC37C SC 17o 59΄ 00.12˝ 66o 45΄ 12.90˝ Every two months MAC-024 PRSC37C SC 17o 59΄ 29.54˝ 66o 43΄ 53.30˝ Every two months

SEG41B2-01 PRSC41B2 SB 17o 58΄ 24.30˝ 67o 02΄ 57.50˝ Every two months SBZ-046 PRSC41B2 SB 17o 58΄ 19.17˝ 66o 01΄ 55.12˝ Every two months

SEG41B1-01 PRSC41B1 SB 17o 57΄ 40.30˝ 66o 58΄ 55.30˝ Every two months SBZ-045 PRSC41B1 SB 17o 56΄ 19.57˝ 66o 54΄ 21.05˝ Every two months

MAC-034 PRSC40 SB 17o 57΄ 53.14˝ 66o 54΄ 30.46˝ Every two months MAC-085 PRSC40 SB 17o 57΄ 09.11˝ 66o 53΄ 04.42˝ Every two months SEG39-01 PRSC39 SB 17o 57’ 22.80” 66o 51’ 18.09” Every two months

SEG41B3-01 PRSC41B3 SB 17o 57΄ 54.60˝ 67o 10΄ 44.40˝ Every two months SEG41B3-02 PRSC41B3 SB 17o 56΄ 07.60˝ 67o 11΄ 25.00˝ Every two months SEG42-01 PRSC42 SB 17o 57΄ 05.00˝ 67o 11΄ 47.80˝ Every two months SBZ-047 PRSC43 SB 17o 58΄ 29.26˝ 67o 12΄ 46.46˝ Every two months SBZ-048 PRWC43 SB 17o 58΄ 57.49˝ 67o 12΄ 55.51˝ Every two months

MAC-037 PRWC43 SB 18o 01΄ 09.99˝ 67o 10΄ 20.08˝ Every two months SBZ-050 PRWC44 SB 18o 02΄ 56.20˝ 67o 11΄ 51.10˝ Every two months SBZ-051 PRWC44 SB 18o 03΄ 52.32˝ 67o 11΄ 51.10˝ Every two months SEG45-01 PRWC45 SB 18o 04΄ 24.40˝ 67o 11΄ 17.40˝ Every two months SBZ-052 PRWC46 SB 18o 05΄ 42.37˝ 67o 11΄ 42.36˝ Every two months SEG47-01 PRWC47 SB 18o 08΄ 26.60˝ 67o 10΄ 48.30˝ Every two months MAC-038 PRWC48 SC 18o 11΄ 41.18˝ 67o 09΄ 21.07˝ Every two months MAC-040 PRWC48 SC 18o 13΄ 19.02˝ 67o 10΄ 08.05˝ Every two months MAC-041 PRWC49 SB 18o 17΄ 16.31˝ 67o 11΄ 38.23˝ Every two months SEG49-01 PRWC49 SB 18o 17’ 41.80” 67o 12’ 36.00” Every two months SBZ-054 PRWC50 SB 18o 18΄ 47.81˝ 67o 14΄ 34.21˝ Every two months SBZ-055 PRWC50 SB 18o 20΄ 26.52˝ 67o 15΄ 22.16˝ Every two months SEG51-01 PRWC51 SB 18o 22΄ 14.20˝ 67o 15΄ 25.00˝ Every two months SEG51-02 PRWC51 SB 18o 23 ΄4.42˝ 67o 12΄ 45.81˝ Every two months MAC-043 PRWC52 SB 18o 24΄ 51.78˝ 67o 09΄ 42.05’˝ Every two months SBZ-002 PRWC52 SB 18o 27΄ 28.01˝ 67o 09΄ 49.21˝ Every two months SBZ-003 PRNC01 SB 18o 29΄ 26.21˝ 67o 09΄ 25.09˝ Every two months SBZ-004 PRNC01 SB 18o 30΄ 51.24˝ 67o 04΄ 32.41˝ Every two months MAC-044 PRNC01 SB 18o 30΄ 30.49˝ 67o 01΄ 22.85˝ Every two months MAC-086 PRNC02 SB 18o 29΄ 23.21˝ 66o 57΄ 31.76˝ Every two months SBZ-006 PRNC02 SB 18o 29΄ 26.16˝ 66o 51΄ 21.16˝ Every two months MAC-047 PRNC02 SB 18º 29΄ 15.53˝ 66º 49΄ 42.50˝ Every two months SBZ-007 PRNC03 SB 18o 29΄ 34.51˝ 66o 47΄ 53.70˝ Every two months SEG3-01 PRNC03 SB 18o 28΄ 45.33˝ 66o 47΄ 70.04˝ Every two months


- 39 -

Beach Monitoring and Notification Program Network: Operated by PREQB, this network

includes thirty-six (36) stations distributed over thirty-six (36) beaches in Puerto Rico.

All the stations were sampled biweekly for bacteria (Fecal Coliforms, Enterococcus) and

Temperature. However, from April 2015, the parameters to be monitored at each site are

Enterococcus, using Defined Substrate Technology – Enterolert instead of Membrane

Filtration. In addition, physical measurements are performed for pH and Temperature.

These changes were made to comply with the Clean Water Act (CWA) as amended by

Beaches Environmental Assessment and Coastal Health Act (Beach Act) that requires

comply with the requirements of the National Beach Guidance and Required Performance

Criteria for Grants (NBGRPCG) 2014. This document outlines the eleven (11)

performance criteria that States and eligible governments territorial, tribal or local, must

meet in order to receive the grant from the EPA, to implement programs of monitoring,

and public notification of recreational waters section 406 of the CWA. The frequency of

samples collection will be every two weeks, throughout the year, since in Puerto Rico, the

season variability through the whole year is not significant and local bathers and tourists

visit the beaches frequently.

PREQB in coordination with the United State Environmental Protection Agency (USEPA) have been

working on the metal equipment issue and PREQB begins the process of carrying out the

demonstration of capability (DOC) with respect to the analytical methods for the metals during FY

2015. Analysis of the metals will be incorporated to PREQB’s water monitoring networks when the

DOCs are completed and approved by EPA.

All sampling and analytical activities are subjected to a Water Quality Assurance Program Plan, coordinated through the Quality Assurance Control Officer of the Water Quality Area and the Division of Environmental Science and Assessment of EPA Region II.

Each monitoring initiative is supported by the corresponding Quality Assurance Project Plan (QAPP), which must comply with the Water Program’s Quality Assurance Management Plan (QAMP). All samples are collected, preserved, transported and analyzed in accordance with the protocols established in the corresponding Quality Assurance Project Plan. The purpose and goals of PREQB's fixed monitoring station programs are:

1. Provide current data on the quality of the various water bodies throughout Puerto Rico. 2. Provide information on specific pollutants of concern and uses that may be impaired in

the different water bodies monitored 3. Provide information on possible sources responsible for water quality impairment. 4. Provide information to determine the compliance with the water quality standards

applicable to the different designated uses as established in the PRWQSR.


- 40 -

5. Determine if the pollution control measures being implemented throughout Puerto Rico are effective in protecting the quality of the different water bodies.

Data generated from the rivers and stream stations sampled and analyzed by the USGS are not available through national data base STORET; however, the data is available through Internet (www.waterqualitydata.us/) or hardcopy files from its Caribbean Field Office.

Special Monitoring Projects

Expanded Water Quality Network (Delisting Project) Not having a permanent monitoring station some water bodies have remained on the 303(d) List for several cycles. As established in the 303(d) List – Delisting Criteria section of this Assessment Methodology, if, a previously listed parameter complied fully with the applicable water quality standard, that specific parameter will be delisted in the next two cycle. For this reason, the PREQB in cooperation with the USGS is conducted a water quality sampling project: Assessment of Water Quality at Selected Stream Sites Throughout Puerto Rico, June 2013 to September 2015, it was covered using Federal Funds available from the 2012 PPG. The proposed assessment will include fifty-three (53) surface water sites at twenty-eight (28) basins in Puerto Rico. A total of fourteen (14) surface water sampling sites will be visited six (6) times from June 2013 to September 2013 and six (6) times from October 2013 to September 2015. The remaining thirty (39) surface water sampling sites will be visited two (2) times from June 2013 to September 2013 and four (4) times from October 2013 to September 2015. Water samples will be collected at all sites to monitor pollution-induced effects on streams for selected water quality parameters at the fifty-three (53) sites throughout Puerto Rico. Different flow periods will be represented in this sampling program as shown below:

October-November-- represents flows greater than low flow. February-March-- represents minimum dilution of discharge; typically, lowest rainfall

period in Puerto Rico. May-- represents first stream flush-effects. August-September-- represents flows greater than low flow; typically, more humidity

and highest ambient temperature in Puerto Rico.

Mosquito Bay, Vieques Study The PREQB has established a cooperative agreement with the Puerto Rico Department of Natural and Environmental Resources (PRDNER), The Vieques Conservation Historical Trust (VCHT) and the USGS. The objective of the study is to maintain a permanent monitoring station in Mosquito Bay on Vieques (See Figure 5Error! Reference source not found.). The station (50231500) is equipped with a multi-parameter meter collecting water quality data in 15-minute real time.

http://www.waterqualitydata.us/


- 41 -

Figure 5: Monitoring Station in Mosquito Bay, Vieques

The water quality parameters collected as part of the study are the following: water temperature, conductivity, dissolved oxygen, pH and turbidity. Due to Mosquito Bay is classified as SA waters, the data only will be considerate as reference in order to assist the PREQB to know the conditions of the waterbody. The results of the realtime monitoring in terms of maximum, minimum, average and mediane of the parameters that are monitoring are show in the graphics below (refers to Figure 6 thru Figure 20).

Figure 6: Daily Maximun Disolved Oxygen

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

DO

(m

g/L)

Date

DAILY MAXIMUM DISSOLVED OXIGEN (mg/L) (PROVISIONAL DATA)


- 42 -

Figure 7: Daily Minimum Disolved Oxygen

Figure 8: Daily Mean Disolved Oxygen

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

DO

(m

g/L)

Date

DAILY MINIMUM DISSOLVED OXIGEN (mg/L) (PROVISIONAL DATA)

0

1

2

3

4

5

6

7

8

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

DO

mg/

L

Date

DAILY MEAN DISSOLVED OXIGEN (mg/L) (PROVISIONAL DATA)


- 43 -

Figure 9: Daily Maximun pH

Figure 10: Daily Minimun pH

7.4

7.5

7.6

7.7

7.8

7.9

8.0

8.1

8.2

8.3

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

pH

(st

d u

nit

s)

Date

DAILY MAXIMUM pH (std units) (PROVISIONAL DATA)

7.3

7.4

7.5

7.6

7.7

7.8

7.9

8.0

8.1

8.2

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

pH

(st

d u

nit

s)

Date

DAILY MINIMUM pH (std units) (PROVISIONAL DATA)


- 44 -

Figure 11: Daily Median pH

Figure 12: Daily Maximun Specific Conductance

7.4

7.5

7.6

7.7

7.8

7.9

8.0

8.1

8.2

8.3

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

pH

(st

d u

nit

s)

Date

DAILY MEDIAN pH (std units)(PROVISIONAL DATA)

48000

50000

52000

54000

56000

58000

60000

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Spec

ific

Co

nd

uct

ance

(u

s/cm

@2

5C

)

Date

DAILY MAXIMUM SPECIFIC CONDUCTANCE AT 25C (uS/cm @25C) (PROVISIONAL DATA)


- 45 -

Figure 13: Daily Minumum Specific Conductance

Figure 14: Daily Mean Specific Conductance

46000

48000

50000

52000

54000

56000

58000

60000

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Spec

ific

Co

nd

uct

ance

(u

s/cm

@2

5C

)

Date

DAILY MINIMUM SPECIFIC CONDUCTANCE AT 25C (uS/cm @25C) (PROVISIONAL DATA)

46000

48000

50000

52000

54000

56000

58000

60000

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Spec

ific

Co

nd

uct

ance

(u

S/cm

22

5C

)

Date

DAILY MEAN SPECIFIC CONDUCTANCE AT 25C (uS/cm @25C) (PROVISIONAL DATA)


- 46 -

Figure 15: Daily Maximun Water Temperature

Figure 16: Daily Minimum Water Temperature

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Tem

per

atu

re (

◦C)

Date

DAILY MAXIMUM WATER TEMPERATURE, DEGREES CELSIUS (PROVISIONAL DATA)

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Tem

pe

ratu

re (

◦C)

Date

DAILY MINIMUM WATER TEMPERATURE (PROVISIONAL DATA)


- 47 -

Figure 17: Daily MeanWater Temperature

Figure 18: Daily Maximun Turbidity

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Tem

per

atu

re (

◦C)

Date

DAILY MEAN WATER TEMPERATURE(PROVISIONAL DATA)

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Turb

idit

y (F

NU

)

Date

DAILY MAXIMUM TURBIDITY Form Neph (FNU) (PROVISIONAL DATA)


- 48 -

Figure 19: Daily Minimum Turbidity

Figure 20: Daily Median Turbidity

0.00.51.01.52.02.53.03.54.04.55.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Turb

idit

y (F

NU

)

Date

DAILY MINIMUM TURBIDITY Form Neph (FNU) (PROVISIONAL DATA)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

Oct 12014

Nov 12014

Dec 12014

Jan 12015

Feb 12015

Mar 12015

Apr 12015

May 12015

Jun 12015

Jul 12015

Aug 12015

Sep 12015

Turb

idit

y (F

NU

)

Date

DAILY MEDIAN TURBIDITY Form Neph (FNU) (PROVISIONAL DATA)


- 49 -

The data is available through Internet on the following addresses: http://nwis.waterdata.usgs.gov/pr/nwis/uv/?site_no=50231500

Fecal and Total Coliforms, E. coli and PCR based Microbial Source Tracking in Streams of Puerto Rico The specific objectives of this studies are:

1. Detect fecal contamination in natural water samples as well as the presence of various bacterial groups including human, bovine, and pig bacteriodales using Polymerase Chain Reaction (PCR) based techniques.

2. Compare the abundance of total coliforms, fecal coliforms and E. coli and different bacteriodales groups found at different locations (sites).

3. Help develop the necessary framework to improve present monitoring strategies according to identified sources of pollution.

4. Collect ancillary data on other water quality variables in order to evaluate correlations of microbial indicators with other environmental variables.

Thirty-two (32) stations were selected near mouth in rivers and streams of PR (Figure 21). These stations were sampled once during two different seasons wet (November 2014) and dry (February-March 2014) seasons to cover the hydrographic extremes.

Figure 21: Source Tracking Project Monitoring Stations

http://nwis.waterdata.usgs.gov/pr/nwis/uv/?site_no=50231500


- 50 -

Water Quality External Data

In developing Section 303(d) Lists, PREQB is required to assemble and evaluate all existing and readily available water quality-related data and information from government agencies (state and federal) and non-governmental organizations. The data requested will be from October 2013 to September 2015, of chemical, biological and field data along with information pertaining to the quality control procedure and protocols that were used to generate the data. The list of sources PREQB has actively solicited data from includes government agencies and non-governmental organizations can be found in the Table 15 below.

However, most of the time, these agencies, institutions and organizations provide the water quality data but not the QA/QC protocols. Nevertheless, it is important to note that there are government agencies and entities with QAPPs approved by USEPA, so they validate the data according to the protocols previously approved by USEPA. So is the case of the data received from the USGS. These data are used by PREQB as delivered by the USGS. PREQB incorporate the explanation of whether or not the information submitted by government agencies, universities or other entities was used and the criteria for choosing to use the information. In addition, in all cases where no QA/QC data is available for PREQB verification the following disclaimer is stated: “PREQB does not know the quality requirements of the sampling and analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown and will not be used for the 2016 IR assessment”.

Table 15: Government Agencies and Non-Governmental Organizations Name Position Agency

Eng. Humberto Reynolds Chairman Associated General Contractors

of America Puerto Rico Chapter

Lcda. Irma López Compliance Manager

Drinking Water Compliance and Control Division

PR Aqueduct and Sewer Authority

Eng. Luis E. Rodríguez Rosa

Special Studies and Programming Area Sub Director

PR Highway and Transportation Authority

Eng. Carmen Ana Morales Environmental Studies Office Acting Chief PR Highway and

Transportation Authority

Mari Tere Padilla Planning Engineering and Operation

Division Director Solid Waste Management

Authority

Ruberto Berrios Water Quality Department Manager PR Electric Power Authority

Aitza Pabón Director Jobos Bay National Estuarine

Reserve Eng. Edgar I. Rodríguez Pérez

Chairman College of Engineers and Land

Surveyors of PR Agro. Miguel Ortiz Agrological Laboratory Director Department of Agriculture


- 51 -


Raúl Santini Coordinator Coastal Zone Division Department of Natural and Environmental Resources

Ernesto L. Díaz Director Coastal Zone Program Department of Natural and Environmental Resources

John Kushwara Assessment, Monitoring and

Environmental Science Division US Environmental Protection

Agency Dr. Jorge Bauzá Environmental Scientific San Juan Bay Estuary Lizette Ríos NPDES Area Supervisor PR Electric Power Authority

Erick Hawk Section 7 Coordinator Southeast Regional

Office National Marine Fisheries

Services

Dr. Wilfredo López Mora Dean of Academic Affairs Pontifical Catholic University

of Puerto Rico

Jackeline Rosas Negrón Science College Director, Mayagüez

Campus Pontifical Catholic University

of Puerto Rico

Dra. Sandra Molina Biology Department Director Pontifical Catholic University

of Puerto Rico

Dr. Carlos Lugo Environmental Sciences Program

Coordinator Pontifical Catholic University

of Puerto Rico Dra. Graciela I. Ramírez Toro

Director of CECIA Interamerican University of PR

Dr. Elvin Román Paoli Acting Director Department of Agro-

environmental Sciences University of PR – Mayagüez

Campus Dr. Jorge E. Corredor García

Acting Director Department of Marine Sciences

University of PR – Mayagüez Campus

Dr. Luis R. Pérez Alegría Professor

Department of Agricultural and Bio-Systems Engineering

University of PR–Mayagüez Campus

Dr. Jorge Rivera Santos Director

Water Resources Institute University of PR-–Mayagüez

Campus

Ruperto Chaparro Director Sea Grant College Program University of PR – Mayagüez

Campus

Dra. Ana Navarro Water Quality - Marine Outreach Program

- Sea Grant College Program University of PR– Mayaguez

Campus

Gloriselle Negrón Ríos Associate Professor in Environmental

Health Agriculture Extension Services

Prof. Héctor López Méndez

Agricultural Engineer Director University of PR– Mayagüez

Campus

Edwin Almodóvar Director Natural Resources

Conservation Service (NRCS) Caribbean Area


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Damaris Medina Engineer Natural Resources


Marisol Morales Biologist Natural Resources


Marelisa Rivera PR Field Office Supervisor US Fish and Wildlife Service

Teresa Lipsett School of Environmental Science and

Technology Dean Turabo University

Dr. Carlos M. Padín Bibiloni

Rector Metropolitan University of PR

María Ortiz Rivera School of Environmental Affairs Dean Metropolitan University of PR

Eng. José Borrageros Director - Department of Civil and

Environmental Engineering Polytechnic University of PR

Dr. Thomas Miller Department of Geology University of PR– Mayagüez

Campus Dr. Luis A. Ríos Hernández

Assistant Professor Biology Department University of PR– Mayagüez

Campus

Dr. Sangchul Hwang Associated Professor Department of Civil

Engineering and Surveying University of PR– Mayagüez

Campus

Dra. Ingrid Padilla Associated Professor Department of Civil

Engineering and Surveying University of PR– Mayagüez

Campus

Olga M. Ramos GIS Analyst and Remote Sensing Lab International Institute of

Tropical Forestry Jardín Botánico Sur

Abel Valdivia Ocean Scientist Center for Biological Diversity

Lirio Márquez D’Acunti Executive Director Vieques Conservation and

Historical Trust

Mark Martin Bras Community Affairs Director Vieques Conservation and

Historical Trust María Calixta Ortiz Environmental School Affairs Dean Metropolitan University of PR Dr. Gabriel Infante Technology and Sciences Professor Metropolitan University of PR Roberto Viqueira Executive Director Protectores de Cuencas, Inc.

Deborah Rivera Director - Environmental Affairs

Department Autonomous Municipality of

Carolina Patricia Bradley Marine Biology EPA

Eng. José Font Director

Caribbean Environmental Protection Division

Environmental Protection Agency

Yasmin Laguer Caribbean Environmental Protection

Division Environmental Protection

Agency


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Douglas A. Pabst Physical Sciences Chief Environmental Protection

Agency, New York Dr. Edwin Hernández-Delgado

Affiliate Researcher University of Puerto Rico

James Kurtenbach USEPA, Region II USEPA, Region II Steve Tamar Director, Blue Water Task Force Rincón Surfrider Foundation Rincón

Sylvia Rodríguez-Abudo Assistant Professor, Department of Engineering Science and Materials

University of PR– Mayagüez Campus

As result of the water quality data request, the following agencies and/or institutions responded and submitted data:

1. Mrs. Yazmin Laguer-EPA CEPD

a. DMR data (from the past two years 2013 to 2015) b. This data was used for the 2016 IR assessment.

2. Abel Valdivia PhD. Center for Biological Diversity (CBD), Oakland, CA

a. On the letter, CBD recommends, that PR evaluated information related to oceans

acidification in various web sites. Those references indicated by CBD are NOAA

websites and to access the water quality data regarding PR is possible to get through

CariCOOS web page. For example, data of the Integrated Ocean Observation System

(IOOS) and Pacific Marine Environmental Laboratory Carbon Program (PMEL)

website is accessed through PMEL La Parguera web page

(http://www.pmel.noaa.gov/co2/file/La+Paguera+Mooring)

b. In order to obtain the greatest amount of scientific information that is available online PREQB has conducted a data search, belonging to the coastal waters of Puerto Rico, in the above mentioned websites recommended by the CBD and other website identified. For the area of PR, the NOAA water quality information is manage by CariCoos. The data of pH and temperature corresponding to the Caribbean area from the Cariccoss webpage will be used for the 2016 IR assessment. (http://www.caricoos.org/)

c. The details of data obtained are discussed in the section Water Quality External Data- Access Online of this document.

3. San Juan Bay Estuary System Program a. The monitoring network consists of 25 monitoring stations in the SJBES. (See Figure

22) b. Parameters analyzed: temperature, dissolved oxygen, specific conductance, salinity,

turbidity, pH, secchi disk, oil and grease, total kjeldahl nitrogen, nitrate + nitrite (as

http://www.pmel.noaa.gov/co2/file/La+Paguera+Mooring

http://www.caricoos.org/


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N), total phosphorus, TOC, chlorophyll “a”, TSS, ammonia, BOD, fecal coliform and fecal enterococcus.

c. The SJBES Program has an approved Quality Assurance Project Plan by USEPA. d. This data was used for the 2016 IR assessment.

4. NOAA - Bahía de Jobos

a. The data was obtained of the following site hosted by NOAA: National Estuarine Research Reserve System, Centralized Data Management Office http://cdmo.baruch.sc.edu/.

b. Monitoring network consist of 4 monitoring stations (See Figure 23 23). c. Parameters analyzed: Temperature, pH, salinity, Dissolved Oxygen and Turbidity. d. Disclaimer: PREQB does not know the quality requirements of the sampling and

analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown.

e. This data was used for the 2016 IR assessment.

5. Patricia Bradly- EPA a. Sent information of NOAA's NCRMP Program

i. The information includes fish survey, measure of coral rugosity and coral survey.

ii. The document does not include water quality data to compare against the standards.

iii. This information was not used for the 2016 IR assessment.

6. Surfrider Foundation and CARICOOS, Sylvia Rodriguez-Abudo - Two-Week Beach Water Quality Daily Sampling Experiment Brief Report.

a. The objectives of this study are: i. To explore the possibility that exceedances occur at frequencies that weekly

or biweekly sampling are unable to detect. ii. To quantify the amount of time beach water quality remains questionable. iii. To determine if a considerable change in the probability distribution of

bacterial counts exists between the different sampling frequencies. iv. To briefly assess correlations between exceedances and local precipitation.

b. Disclaimer: This report presents preliminary findings only. It does not provide definite conclusions and/or interpretations. By no means is this document intended for public distribution other than within CARICOOS-UPRM, Surfrider Foundation Rincón, and Puerto Rico Environmental Quality Board. Therefore, the document was not used for the 2016 IR assessment.

7. Surfrider Foundation and CARICOOS a. Data of enterococci access on http://www.surfrider.org/blue-water-task-

force/chapter/4 b. Disclaimer: PREQB does not know the quality requirements of the sampling and

analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown and was not used for the 2016 IR assessment.

http://cdmo.baruch.sc.edu/

http://www.surfrider.org/blue-water-task-force/chapter/4

http://www.surfrider.org/blue-water-task-force/chapter/4


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8. Pedro Tarafa, Assistant Professor of Environmental Engineering Department of Civil

Engineering and Surveying UPR – Mayagüez a. Three (3) monitoring stations in the West Region of Puerto Rico: Two (2)

monitoring stations in Río Viejo (PRWR77D), and one (1) in Caño Merle (PRWK78A).

b. Parameter analyzed: turbidity, dissolved oxygen, pH, temperature, COD, fecal and total coliforms

c. Disclaimer: PREQB does not know the quality requirements of the sampling and analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown and was not used for the 2016 IR assessment.

9. Information sent by Edwin Hernández Delgado, University of Puerto Rico, Center for Applied Tropical Ecology and Conservation.

a. Detection of spatial fluctuations of non-point source fecal pollution in coral reef surrounding waters in southwestern Puerto Rico using PCR-based assays, M. Bonkosky a, E.A. Hernández-Delgado b,*, B. Sandoz a, I.E. Robledo c, J. Norat-Ramírez a, H. Mattei a : Department of Environmental Health, University of Puerto Rico, Medical Sciences campus, b UPR, Department of Biology, Center for Applied Tropical Ecology and Conservation, Coral Reef Research Group, UPR–MSC, Microbiology and Medical Zoology Department.

i. According the document, water samples were collected from thirteen (13) sites near the Cabo Rojo coast, southwestern Puerto Rico. Sampling was conducted monthly from June 2005 to June 2006.

ii. Due to the samples was realized out of the period of the IR 2016, the data was not included in the evaluation.

iii. Disclaimer: PREQB does not know the quality requirements of the sampling and analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown and was not used for the 2016 IR assessment.

b. Unsustainable Land-Based Source Pollution in a Climate of Change: A Roadblock to the Conservation and Recovery of Elkhorn Coral Acropora palmata (Lamarck 1816), Geraldine Díaz-Ortega and Edwin A. Hernández-Delgado

i. Parameter analyzed: water temperature, salinity (ppt), conductivity (mS), dissolved oxygen concentration, pH, dissolved nutrient concentrations, including phosphates (PO4), nitrates (NO3), nitrites (NO2), and ammonium (NH3 and 4 NH+).

ii. Disclaimer: PREQB does not know the quality requirements of the sampling and analysis of the water quality data submitted to the agency, thus the quality of the secondary data is unknown and was not used for the 2016 IR assessment.

c. Impacts of non-point source sewage pollution on Elkhorn coral, Acropora palmata (Lamarck), assemblages of the southwestern Puerto Rico shelf, E.A. Hernández-Delgado, B. Sandoz, M. Bonkosky, J. Norat-Ramírez2, H. Mattei.


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i. According to the document, the samples were collected in February 2006 and not include water quality data to compare against the standards.



d. Anthropogenic Impacts on Coral Reef of Puerto Rico, Edwin Hernández y Betzaida Sandóz

i. According to the document the study was conducted from June 2005 to June 2006. The document does not include water quality data to compare against the standards.



e. Seawall Construction Activities Cause a Localized Mass Mortality of Threatened Elkhorn Coral (Acropora palmata) at Vega Baja, Puerto Rico, Edwin Hernandez-Delgado, Alejandra Alvarado, Ricardo Laoureano, Katie Flynn, and Sean Griffin: University of Puerto Rico Center for Applied Tropical Ecology and Conservation, Coral Reef Research Group, Vegabajeños Impulsando Desarrollo Ambiental Sustentable, University of Puerto Rico, Department of Marine Sciences, National Oceanic and Atmospheric Administration Restoration Center, Aguadilla, Puerto Rico.

i. The document received are incomplete, only included the abstract. In addition, the study was conducted August 13-20, 2010 out of the period of IR 2016.



f. Sediment Stress, Water Turbidity, and Sewage Impacts on Threatened Elkhorn Coral (Acropora palmata) Stands at Vega Baja, Puerto Rico,

i. According to the document, water quality data was conducted on February, May, October and November and 2009.




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g. Community-Based Coral Reef Rehabilitation in a Changing Climate: Lessons Learned from Hurricanes, Extreme Rainfall, and Changing Land Use Impacts, Edwin A. Hernández-Delgado, Alex E. Mercado-Molina, Pedro J. Alejandro-Camis, Frances Candelas-Sánchez, Jaime S. Fonseca-Miranda, Carmen M. González-Ramos, Roger Guzmán-Rodríguez, Pascal Mège, Alfredo A. Montañez-Acuña, Iván Olivo Maldonado, Abimarie Otaño-Cruz, Samuel E. Suleimán-Ramos, Center for Applied Tropical Ecology and Conservation, Coral Reef Research Group, University of Puerto Rico.

i. The study tested a community-based, low-tech coral farming approach in Culebra Island, Puerto Rico, aimed at adapting to climate change-related impacts through a two-year project to propagate A. cervicornis under two contrasting fishing management conditions, in coastal areas experimenting significant land use changes.

ii. The study include a temperature mean data. According to the study the all data that show in the study are in compliance with the standard temperature.


h. Watershed- and island wide-scale land cover changes in Puerto Rico (1930s–2004) and their potential effects on coral reef ecosystems, Carlos E. Ramos-Scharrón, Damaris Torres-Pulliza, Edwin A. Hernández-Delgado

i. The goal of this study is to document how living coral cover changed while

major land cover changes took place within the context of a single

watershed and for the entire island of Puerto Rico.

ii. The document does not include water quality data to compare against the standards.

iii. This information will not be used for the 2016 IR assessment. i. Widespread Impacts of Land-Based Source Pollution on Southwestern Puerto Rican

Coral Reef, Edwin A. Hernández-Delgado, Carmen M. González-Ramos, Jeiger L. Medina-Muñiz, Alfredo A. Montañez-Acuña, Abimarie Otaño-Cruz, Bernard J. Rosado-Matías, Gerardo Cabrera-Beauchamp

i. The objectives of this project were to: Provide a large-scale spatial characterization over a variety of reef locations

and conditions of the health of coral reef benthic communities, coral recruit assemblages, and reef fish communities.

Obtain a snapshot characterization of water quality across each sampling site.

Infer possible causative factors underlying observed spatial patterns in benthic and fish community structure

ii. Sampling was completed on July 13-30, 2014 iii. Parameter analyzed: temperature, salinity, conductivity and dissolved oxygen

concentration and turbidity. iv. Disclaimer: PREQB does not know the quality requirements of the sampling

and analysis of the water quality data submitted to the agency, thus the


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quality of the secondary data is unknown and was not used for the 2016 IR assessment.

10. Mr. James K. Kurtenbach, EPA, Region II a. 2012-2013 Probabilistic Stream Survey in Puerto Rico

i. The monitoring network consist of approximately 50 monitoring stations. ii. Water chemistry, physical habitat and macro invertebrate data were collected. iii. Time period: February and March 2013; April, August, and September 2012.

b. The submitted data was used for the 2014 IR cycle.

Figure 22: San Juan Bay Estuary System Monitoring Stations


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Figure 23: NOAA - Bahía de Jobos Monitoring Stations

Water’s Quality External Data - Access Online Due to the large number of published information on the Internet and its accessibility, the PREQB conducted a search for information related to the quality of the coastal water in Puerto Rico, in order to evaluate the greater amount of information that is available. To perform a more complete evaluation, the information search is delimited to recognized and reliable sources. The main source of information from which it could access data was the NOAA and its partners in the Caribbean Area, The Caribbean Coastal Ocean Observing System (CariCOOS). They were used the information of temperature of the CariCOOS buoy located on Ponce in the assessment unit PRSC35 and other on San Juan in the assessment unit PREC12. (See Figure 24). The temperature data were used to evaluate the corresponding assessment units, for this parameter, in addition to the data of the coastal network of PREQB.

Other important information accessed by internet and included part of the data in this assessment 2016 cycle is Oceans Acidification Project. The PMEL carbon group is developing a network of carbon dioxide systems on coastal moorings. In PR the monitoring station it is managed by CariCOOS and take data for pH in addition to pCO2. (See Figure 24 and Figure 26). The monitoring station is located in one area of La Parguera at the municipality of Lajas, in the assessment unit PRSC41B2. The pH data was used to evaluate the corresponding assessment unit, for this parameter, in addition to the data of the coastal network of PREQB. However, data for pCO2 were not used for this evaluation cycle, even though there is no water quality standard for this parameter.


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Disclaimer: Note of the web page of CariCOOS: This information is presented as a good faith service to the scientific community, the public in general and to our colleagues and friends. The information, views and opinions herein provided should not be viewed as formally accurate scientific data and/or advice that can be relied upon without proper verification and validation. This service should not be construed as a substitute for specific data that could be obtained through official sources. If any inaccuracy is observed, please inform CaRA as soon as possible for verification and correction, as necessary. Use of and reliance upon the information provided in this web site signifies that its user(s) understands and have accepted of the above mentioned caveat and conditions. Disclaimer: Note of the web page of National Data Buoy Center, NOAA: This operational server maintains a current database of meteorological and hydrological data, historical data, and written information generated by the NWS or received from other official sources. In addition, this server accesses in real time a selection of current official weather observations, forecasts, and warnings from U.S. government sources for use by the national and international community. In an effort to enhance the science, experimental products may be accessible on this server and care must be taken when using such products as they are intended for research use.

Figure 24: Buoys of CariCoos of NOAA


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Figure 25: Monitoring Station of CariCoos in La Parguera

Figure 26: Buoy in La Parguera (Monitoring Station) NOAA, PMEL

Designated Uses, and Applicable Water Quality Standards The Puerto Rico Water Quality Standards Regulation (PRWQSR, August 2014, as amended) established, as goals, the need to preserve, maintain and enhance the quality of the waters of Puerto


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Rico to assure that they are compatible with the social and economic needs of Puerto Rico and comply with the requirements of the Federal Clean Water Act. The PRWQSR establishes the designated uses to be maintained and protected for all waters in the archipelago of Puerto Rico. These uses include:

1. Propagation and preservation of desirable species, including threatened and endangered

species. Primary and secondary contact recreation; and 2. Raw source of drinking water (Class SD waters only).

The PRWQSR also includes the corresponding standards to protect each of the designated uses. All waters reported in the IR will be evaluated, based on availability of water quality data and/or other available information to determine if they comply with the different applicable water quality standards and whether or not the designated uses were attained. The water body classification established in the PRWQSR are as follows:

CLASS SA - Coastal and estuarine waters of high quality or exceptional ecological or recreational value whose existing conditions shall not be altered, except by natural causes, in order to preserve its natural characteristics. Class SA includes bioluminiscent lagoons and bays such as La Parguera and Monsio José on the Southern Coast, Bahía de Mosquito in Vieques, and any other coastal or estuarine waters of exceptional quality or high ecological value or recreational which may be designated by the Board, through Resolution, requiring this classification for protection of the waters. Rule 1303.2 (A) (2) of this Regulation will also apply to the waters 500 meters (0.31 mile) seaward of the physical and geographical limits of the water bodies under this classification. CLASS SB - Coastal waters and estuarine waters intended for use in primary and secondary contact recreation, and for propagation and preservation of desirable species including threatened or endangered species. Coastal and estuarine waters not classified as Class SA or SC under Rules 1302.1 (A) and (C) of the PRWQSR. Class SB also includes lagoons not classified under any other class. This classification will apply from the zone subject to the ebb and flow of tides (mean sea level) up to 500 meters (0.31 miles) seaward from said zone. Beyond this limit, the next less restrictive classification will apply to a maximum of 10.35 miles (16,656.71 meters) seaward. CLASS SC – Coastal waters intended for primary contact recreation, from the zone subject to the ebb and flow of tides (mean sea level) to 3 miles seaward, and secondary contact recreation from 3 miles seaward to 10.35 miles seaward, and for the propagation and preservation of desirable species, including threatened or endangered species.

Mayagüez Bay – from Punta Guanajibo to Punta Algarrobo Yabucoa Port Guayanilla and Tallaboa Bays – from Cayo Parguera to Puerto Verraco Ponce Port – from Punta Carenero to Punta Cuchara San Juan Port – from Isla de Cabras to Punta El Morro


- 63 -

CLASS SD - All surface waters are classified SD, except those classified SE in accordance with Rule 1302.2 (B). Surface waters intended for use as a raw source of public water supply, propagation and preservation of desirable species, including threatened and endangered species, as well as primary and secondary contact recreation. Primary contact recreation is precluded in any stream or segment that does not comply with the Rule 1303.2 (D) (2) (l) of the PRWQSR until such stream or segment meets the goal of the referred section. CLASS SE - Laguna Tortuguero, Laguna Cartagena and any other surface water body of exceptional quality or high ecological or recreational value which may be designated by the Board, through Resolution, requiring this classification for protection of the waters. Surface waters and wetlands of exceptional ecological value, whose existing conditions should not be altered in order to preserve its natural characteristics.

Table 16 and Table 17 summarize the applicable water quality standards that will be used to perform the assessment for the 2016 IR. Here are shown the maximum allowable concentrations for specific substances in coastal and estuarine waters and surface waters.

Table 16: Specific Water Quality Standards for Selected Parameters (as

established in the PRWQSR)

Parameter Coastal Waters

(µg/L) Rivers and Stream

(µg/L)

Aluminum (Al) & - 87.0 (AL)

Antimony (Sb)+,& 640.0 (HH) 5.6 (HH)

Arsenic (As)*,+,& 36.0 (AL) 10.0 (DW) Cadmium (Cd)+,%,& 8.85 (AL) Note 1 (AL) Chlorine 11.0(AL) 7.5 (AL) Cyanide (Free CN)+ 1.0 (AL) 5.2 (AL) Copper (Cu)+,& 3.73 (AL) Note 3 (AL) Chromium III (Cr+3)+,& - Note 2 (AL) Chromium VI (Cr+6)+,& 50.35 (AL) 11.43 (AL) Fluoride (F-) - 4,000 (DW) Lead (Pb)+,%,& 8.52 (AL) Note 6 (AL) Mercury (Hg)+,& 0.051 (HH) 0.050 (HH) Nickel (Ni)+,& 8.28 (AL) Note 4 (AL) Nitrate + Nitrite (as N)# - 10,000 (DW) Nitrogen (NO3, N02, NH3) 5,000 - Selenium (Se)+,& 71.14 (AL) 5.0 (AL) Silver (Ag)+,& 2.24 (AL) Note 5 (AL) Sulfide (Undissociated H2S) 2.0 (AL) 2.0 (AL) Thallium (Tl)+,& 0.47 (HH) 0.24 (HH) Total Nitrogen@ - 1,700 (AL) Zinc (Zn) 85.62 (AL) Note 7 (AL)

AL - Protection of the water body for the propagation and preservation of desirable species dependent on the waterbody. DW - Protection of the water body for use as source of drinking water supply.


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HH - Protection of the water body or aquatic life for reasons of human health. Note 1 - Concentration in ug/l must not exceed the numerical value given by e(0.7409 [Ln Hardness] –4.719 ) Note 2 - Concentration in ug/l must not exceed the numerical value given by e(0.8190 [Ln Hardness] +0.6848) Note 3 - Concentration in ug/l must not exceed the numerical value given by e(0.8545 [Ln Hardness] -1.702 ) Note 4 - Concentration in ug/l must not exceed the numerical value given by e(0.8460 [Ln Hardness]+ 0.0584 ) Note 5 - Concentration in ug/l must not exceed the numerical value given by e(1.72 [Ln Hardness] – 6.59 ) Note 6 - Concentration in ug/l must not exceed the numerical value given by e(1.273 [Ln Hardness] – 4.705 ) Note 7 - Concentration in ug/l must not exceed the numerical value given by e(0.8473 [Ln Hardness] + 0.884) Hardness (as CaCO3 in mg/L) of the water body

* Identifies a substance that may be a carcinogen. The HH criteria is based on a carcinogenicity risk of 10-5 + Identifies a priority pollutant.

% In cases where the surface water body is used as a source of drinking water supply, the water quality standard for the indicated substance shall not exceed the drinking water standard upstream from the water intake.

& The number represent a total recoverable value. # This water quality standard is only applicable in any lakes or reservoir under class SD

Table 17: Water Quality Standard for Specific Classifications Parameter SA SB SC SD SE

Chlorides Note 1 - - 250 mg/L Note 1

Color Note 1

Shall not be altered

except by natural

phenomena

Shall not be altered except by

natural phenomena

15 Pt-Co. Note 1

Dissolved Oxygen

Note 1 Not less than

5 mg/L Not less than

4mg/L Not less than 5 mg/L Note 1

Enterococcus Note 1 Note 2 Note 2 - Note 1 Fecal Coliforms Note 1 Note 3 Note 5 Note 3 Note 1

Other Pathogenic Organisms

Note 1 - -

Free from other Pathogenic

organisms different to coliforms

Note 1

pH Note 1 7.3 - 8.5 7.3 - 8.5 6.0 - 9.0 Note 1 Sulfates Note 1 2,800 mg/L 2,800 mg/L 250 mg/L Note 1 Surfactants as MBAS

Note 1 500 ug/L 500 ug/L 100 ug/L Note 1

Taste and odor producing substances

Note 1 Shall not be

present Shall not be

present Shall not be present Note 1

Total Dissolved Solids

Note 1 - - 500 mg/L Note 1

Total Ammonia@ Note 1 - - 1mg/L at specific

segments established in the PRWQSR

Note 1

Total Coliforms Note 1 - - Note 4 Note 1 Total Phosphorous

Note 1 1,000 ug/L 1,000 ug/L

Note 6 Note 1


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Table 17: Water Quality Standard for Specific Classifications Parameter SA SB SC SD SE

Temperature 90ºF

(32.2ºC) 90ºF

(32.2ºC) 90ºF (32.2ºC) 90ºF (32.2ºC)

90ºF (32.2ºC)

* Applicable in SD waters upstream from reservoirs, in segment with water in takes or estuarine waters. @ Total Ammonia standard shall not exceed 1 mg/l upstream from the points given by coordinates for the following segments:

SEGMENT COORDINATES SEGMENT COORDINATES Río Cibuco 18°21’13” 66°20’07” Río Cagüitas 18°15’11” 66°01’26” Río Hondo 18°26’13” 66°09’36” Río Bairoa 18°15’28” 66°02’13”

Río Guaynabo 18°22’32” 66°07’59” Río Chico 17°59’16” 66°00’18° Río Bayamón 18°24’39” 66°09’09” Río Coamo 18°03’52” 66°22’10” Río Piedras 18°24’34” 66°04’10” Río Guayanilla 18°00’50” 66°47’04”

Quebrada Blasina 18°23’27” 65°58’28” Río Guanajibo 18°07’18” 67°03’56”

Note 1 - No parameter, whether or not considered in this classification, shall be altered in concentration, except by natural causes. Substances reactive with methylene blue shall not be present. Note 2- The Enterococci density, in terms of geometric mean of at least five representative samples taken sequentially shall not exceed 35 col/100mL. No single sample should exceed the upper confidence limit of 75% using 0.7 as the log standard deviation, until sufficient site data exist to establish a site-specific log standard deviation”. Note 3- The fecal coliforms geometric mean of a series of representative samples (at least five samples) of the waters taken sequentially shall not exceed 200 col/100mL, and not more than 20 percent of the samples shall exceed 400 col/100mL. In shellfish growing or harvesting areas, designated by the pertinent agency and adopted by the Board, through Resolution; the median fecal coliform concentration of a series of representatives samples of the water taking sequentialy, shall not exceed 14 MPN/100mL, and not more than 10% of the sample shall exceed 43 MPN/mL. Note 4 - The total coliforms geometric mean of a series of representative samples (at least five samples) of the waters taken sequentially shall not exceed 10,000 col/100mL of total coliforms. Note 5 – For coastal waters Class SC will be assessed from the zone subject to ebb and flow of tides (mean sea level) to 3.0 miles seaward, Coliform geometric mean of a series of representatives samples (at least five samples) of the water taken sequentially shall not exceed 200 col/100mL of Fecal Coliform, and not more than 20% of the sample shall exceed 400 col/100mL. From 3.0 miles seaward to 10.35 miles seaward, on the geometric mean of a series of representative samples (at least five samples) of the waters taken sequentially shall not exceed 2,000 colonies/100mL of Fecal Coliform. Not more than 20% of the samples shall exceed 4,000 colonies/100mL of Fecal Coliform. Note 6 – Total Phosphorus shall not exceed 160 ug/L in any river o stream nor exceed 1,000 ug/L in any reservoir or lake.

Water Quality Assessment by Designated Uses

The surface waters (rivers, lakes, lagoons, estuaries and coasts) for which data are available are assessed for the following designated uses in accordance with the requirements of the Clean Water Act and the PRWQSR: primary contact recreation (swimming), secondary contact recreation, raw source of drinking water supply and protection and propagation of fish, shellfish and wildlife (aquatic life):

1. Primary Contact Recreation (Swimming):

a) Inland Waters:

i. Class SD

For primary contact recreation the use support evaluation will be based on the Coliform geometric mean of a series of representative samples (at least five samples) of the water taken sequentially shall not exceed 10,000 col/100mL of Total Coliform or 200 col/100mL of Fecal Coliform. Not more than 20% of the sample shall exceed 400 col/100mL of Fecal Coliform.


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b) Coastal Waters:

i. Class SB

For primary contact recreation the use support evaluation will be based on the Coliform geometric mean of a series of representatives samples (at least five samples) of the water taken sequentially shall not exceed 200 col/100mL of Fecal Coliform, and not more than 20% of the sample shall exceed 400 col/100mL. The Enterococcus density in terms of geometric mean of at least five representative samples taken sequentially shall not exceed 35/100mL. No single sample should exceed the upper confidence limit of 75% using 0.7 as the log standard deviation, until sufficient site data exist to establish a site-specific log standard deviation.

ii. Class SC

For primary contact recreation coastal waters Class SC will be assessed from the zone subject to ebb and flow of tides (mean sea level) to 3.0 miles seaward, Coliform geometric mean of a series of representatives samples (at least five samples) of the water taken sequentially shall not exceed 200 col/100mL of Fecal Coliform, and not more than 20% of the sample shall exceed 400 col/100mL. The Enterococcus density in terms of geometric mean of at least five representative samples taken sequentially shall not exceed 35/100mL. No single sample should exceed the upper confidence limit of 75% using 0.7 as the log standard deviation, until sufficient site data exist to establish a site-specific log standard deviation.

2. Secondary Contact Recreation:

a) Inland Waters

i. Class SD

For secondary contact recreation the use support evaluation will be based on the Coliform geometric mean of a series of representative samples (at least five samples) of the water taken sequentially shall not exceed 10,000 col/100mL of Total Coliform or 200 col/100mL of Fecal Coliform. Not more than 20% of the sample shall exceed 400 col/100mL of Fecal Coliform.

b) Coastal Waters

i. Class SB

For secondary contact recreation the use support evaluation will be based on the geometric mean of a series of representative samples (at least five) of fecal coliforms. When the geometric mean was less or equal to 200 colonies/100mL


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and the 20% of the individual samples did not exceed the value of 400 colonies/100mL. The Enterococcus density in terms of geometric mean of at least five representative samples taken sequentially shall not exceed 35/100mL. No single sample should exceed the upper confidence limit of 75% using 0.7 as the log standard deviation, until sufficient site data exist to establish a site-specific log standard deviation.

ii. Class SC

For secondary contact recreation the use support evaluation will be based from 3.0 miles seaward to 10.35 miles seaward, on the geometric mean of a series of representative samples (at least five samples) of the waters taken sequentially shall not exceed 2,000 colonies/100mL of Fecal Coliform. Not more than 20% of the samples shall exceed 4,000 colonies/100mL of Fecal Coliform.

3. Raw Source of Drinking Water (RSDW)(rivers and lakes):

The assessment of the drinking water use will be based on monitored contaminants listed in the PRWQSR and the data obtained from the Source Water Assessment Program (SWAP). The additional criterion used to assess raw source of drinking water use is the presence of a water intake in the assessment unit. To assess the Raw Sources of Drinking Water use, will be considered the compliance of water quality standards for the parameters indicated below:

Aldrin Fluoride

Alpha-BHC Heptachlor

Antimonium (Sb) Lindane

Arsenic (As) Mercury (Hg)

Beta-BHC Nitrates + Nitrites (NO3 + NO2)

Chlorides Thallium (Tl)

Dieldrin Total Phosphorus (P)

Endrin Aldehyde Turbidity

Endosulfan Sulfide Pentachlorophenol

In all cases, each parameter considered is evaluated strictly in accordance with the applicable standard. A single violation of the standard is enough to identify the segment non-support for RSDW.

4. Propagation and preservation of desirable species, including threatened and endangered

species (aquatic life):


- 68 -

Currently, the aquatic life use is based on the physical /chemical data collected on sampling incursions during key periods (high and low flows) for all parameters applicable to this use as indicated in the PRWQSR. In all cases, each parameter considered will be evaluated strictly in accordance with the applicable standard. The toxic parameters taken into consideration are:

Ammonia (NH3) Cyanide (Free CN) Silver (Ag)

Antimonium (Sb) Lead (Pb) Sulfide (S)

(undissociated H2S)

Cadmium (Cd) Mercury (Hg) Surfactants

Copper (Cu) Niquel (Ni) Thallium (Tl)

Chlorides Pesticides

(Organochlorides) Zinc (Zn)

Chromium (Cr) Selenium (Se)

The conventional parameters used for the assessment of aquatic life use support were:

Dissolved Oxygen (DO) Temperature

pH Turbidity

A single violation of the standard was enough to identify the segment as non-support for the aquatic life use.

Assessment Categories The current assessment of the water quality in Puerto Rico will be performed taking into consideration the five (5) attainment categories currently required to be used for the 305(b)/303(d) Integrated Report. These attainment categories are:

Category 1: Waters that are attaining the applicable water quality standards for all designated uses.

Category 2: Waters that are attaining some of the designated uses, but no data is available to make attainment determinations for the remaining designated uses.

Category 3: Waters for which the information available is insufficient to determine if any designated uses are being attained.

Category 4: Available data and/or information indicate that at least one designated use is not being supported or is threatened, but a TMDL is not needed. 4a - A state developed TMDL has been approved by EPA or a TMDL has

been established by EPA for any segment/pollutant combination. 4b - Other required control measures are expected to result in the

attainment of an applicable water quality standard in a reasonable period of time.


- 69 -

4c - The non-attainment of any applicable water quality standard for the segment is the result of pollution that is not caused by a pollutant.

Category 5: Waters where at least one water quality standard was not attained (impaired or non-support assessment units). The unattainment of water quality standards requires the development and implementation of a TMDL. Waters identified as impaired are included in the 303(d) List.

Description of Puerto Rico waters, including the impairments from previous cycles In Table 18 through Table 36 are included the information related with the description of the health of Puerto Rico waters, including the impairments from previous cycles The Appendix I contains 2016 Cycle 303(d) List.

Table 18: Size of Waters Assigned to Reporting Categories

WATERBODY TYPE CATEGORY TOTAL IN

STATE TOTAL

ASSESSED 1 2 3 4a 4b 4c 5 Rivers and Streams - miles 0 0 83.2 1,717.9 0 0 3,251.7 5,052.8 mi 5,052.8 mi

Reservoirs - acres 0 0 0 0

0 0 7,323 ac 136.1 mi

7,323 ac 136.1 mi

7,323 ac 136.1 mi

Estuaries – acres/miles 0 0 292.6 ac 19.6 mi

2,345.6 ac 76.3 mi

0 0 792.2 ac 11.9 mi

3,430.3 ac 107.8 mi

3,430.3 ac 107.8 mi

Coastal Waters- miles 70.83 0 33.62 0 0 0 442.18 546.63 546.63 Lagoons- acres 0 0 300 0 0 0 2,482 2,782 2,782

San Juan Bay Estuary- acres/miles

0 0 0 0 0 0 2,453.8 ac 122.6 mi

2,453.8 ac 122.6 mi

2,453.8 ac 122.6 mi

Total miles of rivers and streams assessed with monitoring station: 3,749.1 Total miles of rivers and streams assessed without monitoring station 1,303.7

5,052.8


- 70 -

Rivers and Streams

Table 19: Size of Waters Impaired by Causes (Monitored Miles for Rivers and Streams) Causes of Impairments

2013-2015 Cycle Causes of Impairments

Summary

Causes of Impairments Size of Waters

Impaired (miles) Size of Waters Impaired

(miles) Pesticides (0200) 0 495.5 Surfactants (0400) 137.2 304.1 Arsenic (0510) 0 146.1 Copper (0530) 510.4 1,067.2 Lead (0550) 155.5 426.8 Mercury (0560) 0 107.3 Ammonia (0600) 74.6 74.6 Cyanide (0720) 33.6 287.6 Free Cyanide (0722) 219.6 261.7 Other Inorganic (0800) 0 22.0 Total Phosphorus (0910) 1,364.8 1,364.8 Total Nitrogen (0920) 584.4 575.9 pH (1000) 62.0 226.6 Low Dissolved Oxygen (1200) 547.5 1,177.6 Thermal Modifications (1400) 7.0 157.7 Fecal Coliforms (1700) 13.9 13.9 Total Coliforms (1700) 478.8 1,001.4 Turbidity (2500) 969.1 2,080.0 Silver (no code) 0 14.6

Table 20: Size of Waters Impaired by Sources (Monitored and Unmonitored Rivers and Streams)

Potential Sources of Pollution 2013-2015 Cycle

Potential Sources of Pollution Summary

Potential Sources of Pollution Size of Water

Impaired (miles) Size of Water

Impaired (miles) Major Industrial Point Source (0110)

213.9 213.9

Minor Industrial Point Source (0120)

2,916.2 2,916.2

Major Municipal Point Source (0210)

1,212.5 1,212.5

Minor Municipal Point Source (0220)

653.2 653.2

Package Plants (Small Flows) (0230)

483.3 483.3


- 71 -

Table 20: Size of Waters Impaired by Sources (Monitored and Unmonitored Rivers and Streams)



Potential Sources of Pollution Size of Water

Impaired (miles) Size of Water

Impaired (miles) Collection System Failure (0500) 3,028.9 3,028.9 Agriculture (1300) 2,538.2 2,538.2 Confined Animal Feeding Operations (1640)

3,601.1 3,601.1

Urban Runoff/Storm Sewers (4000)

3,034.7 3,034.7

Surface Mining (5100) 615.8 615.8 Landfills (6300) 2,018.6 2,018.6 Onsite Wastewater Systems (6500)

5,030.8 5,030.8


- 72 -

Table 21: Rivers and Streams Assessment (Monitored and Unmonitored)

Basin Waterbody Name

(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =

Network SPD = Special Project

Delisting

Overall Designated Use Attainment

Notes Potential Sources of

Pollution Causes of

Impairment R1 R2 AL DW

QUEBRADA DE LOS CEDROS

QUEBRADA DE LOS CEDROS PRNQ1A

12.0 SD 4a 4a 3 3 I, L, N

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

QUEBRADA DEL TORO

QUEBRADA DEL TORO PRNQ2A

1.0 SD 3 3 3 3 I Confined Animal Feeding Operations (1640) Onsite Wastewater systems (6500)

RIO GUAJATACA RIO GUAJATACA PRNR3A1

9.9 SD NS 50011400

5 5 5 1 Collection System Failure (0500) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Total Nitrogen (0920)


- 73 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUAJATACA PRNR3A2

22.0 SD NS 50010600

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

QUEBRADA LAS SEQUIAS PRNQ3B

3.5 SD SPD 50011390

4a 4a 5 5 G, N Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

Arsenic (0510) Cyanide (0720) Low Dissolved Oxygen (1200)

QUEBRADA BELLACA

QUEBRADA BELLACA PRNQ4A

1.7 SD 3 3 3 3 I Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 74 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CAMUY RIO CAMUY PRNR5A

48.6 SD 4a 4a 3 3 G, I Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

QUEBRADA SECA

QUEBRADA SECA PRNQ6A

2.0 SD 3 3 3 3 I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 75 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GRANDE DE ARECIBO

RIO GRANDE DE ARECIBO PRNR7A1

22.4 SD NS 50029000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Source (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Cyanide (0720) Low Dissolved Oxygen (1200) Turbidity (2500)

RIO SANTIAGO PRNR7A1a

9.0 SD 4a 4a 3 3 I, M Onsite Wastewater Systems (6500)


- 76 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of



122.8 SD NS 50025000

5 5 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Mayor Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Pesticides (0200) Total Coliforms (1700) Turbidity (2500)


- 77 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


TUNEL PRNR7A3

28.9 SD NS 50020500

4a 4a 1 1 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 78 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CAONILLAS PRNR7C1

87.0 SD NS 50026000

4a 4a 1 1 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Mayor Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surface Mining (5100) Urban Runoff/Storm Sewers (4000)


- 79 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO LIMON PRNR7C2

40.7 SD NS 50026350

4a 4a 5 5 M Agriculture (1300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230)

Turbidity (2500)

RIO YUNES PRNR7C3

32.7 SD NS 50026950

4a 4a 1 1 M Agriculture (1300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO TANAMA PRNR7B1

16.2 SD N/A N/A 3 3 I, M Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)


- 80 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO TANAMA PRNR7B2

43.5 SD NS 50028000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Turbidity (2500)

RIO GRANDE DE MANATÍ

RIO GRANDE DE MANATÍ PRNR8A1

31.0 SD NS 50038100

4a 4a 5 5 M Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Total Phosphorus (0910) Turbidity (2500)


- 81 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of



38.1 SD NS 50035500

4a 4a 5 5 M Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



27.0 SD SPD 50030130

4a 4a 5 5 M Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Package Plant (Small Flows) (0230)

Copper (0530) Turbidity (2500)


- 82 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CIALITO PRNR8B

25.8 SD NS 50035950

5 5 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

RIO TORO NEGRO PRNR8C1

41.5 SD SPD 50033200

4a 4a 1 1 M Agriculture (1300) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230)


- 83 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BAUTA PRNR8C2

27.6 SD SPD 50034500

4a 4a 5 1 M Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

Copper (0530)

RIO SANA MUERTOS PRNR8D

16.0 SD SPD 50031500

4a 4a 1 1 M Agriculture (1300) Onsite Wastewater Systems (6500) Minor Industrial Point Source (0120) Collection System Failure (0500)


- 84 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO OROCOVIS PRNR8E1

19.8 SD NS 50030700

4a 4a 5 5 M Collection System Failure (0500) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


RIO BOTIJAS PRNR8E2

19.1 SD SPD 50030300

4a 4a 5 1 M Confined Animal Feeding Operations (1640) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)

Low Dissolved Oxygen (1200)


- 85 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CIBUCO RIO CIBUCO PRNR9A

31.1 SD NS 50039500

5 5 5 5 A Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Sources (0110) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500)

Total Nitrogen (0920) Total Coliforms (1700) Turbidity (2500)


- 86 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO INDIO PRNR9B1

12.5 SD SPD 50039000

4a 4a 1 1 A Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 87 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO MOROVIS PRNR9B2

25.5 SD 4a 4a 5 3 A, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) pH (1000)


- 88 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO UNIBON PRNR9B3

17.4 SD 4a 4a 3 3 A, I Collection System Failure (0500) Minor Municipal Point Source (0220) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO MAVILLAS PRNR9C

34.0 SD 4a 4a 3 3 A, I Confined Animal Feeding Operations (1640) Collection System Failure (0500) Onsite Wastewater Systems (6500)


- 89 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO DE LOS NEGROS PRNR9D

24.1 SD SPD 50038302

4a 4a 1 1 A Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 90 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO DE LA PLATA

RIO DE LA PLATA PRER10A1

21.0 SD NS 50046000

4a 4a 5 1 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Source (0110) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Surfaces Mining (5100)

Low Dissolved Oxygen (1200) Total Nitrogen (0920)


14.3 SD 4a 4a 3 3 B, I Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 91 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of



55.7 SD NS 50044000

4a 4a 5 5 B Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500)

Cyanide (0720) Free Cyanide (0722) Total Phosphorus (0910) Turbidity (2500)


10.2 SD NS 50043000

4a 4a 5 5 B Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)



- 92 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of



92.7 SD NS 50042500

4a 4a 5 5 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban/Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Mercury (0560) Total Phosphorus (0910) Turbidity (2500)

RIO LAJAS PRER10B

16.6 SD SPD 50045800

4a 4a 5 1 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surface Mining (5100)

Low Dissolved Oxygen (1200) Surfactants (0400)


- 93 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BUCARABONES PRER10C

19.2 SD SPD 50045500

4a 4a 1 1 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

RIO CAÑAS PRER10D

10.4 SD 4a 4a 3 3 B, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

RIO GUADIANA PRER10E

21.8 SD NS 50044850

5 5 5 5 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)

Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


- 94 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CUESTA ARRIBA PRER10F

10.6 SD 4a 4a 5 3 B, I Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

pH (1000)

RIO ARROYATA PRER10G

36.8 SD NS 50043998

4a 4a 5 5 B Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO HONDO PRER10H

25.6 SD 4a 4a 3 3 B, I Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)


- 95 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO USABON PRER10I1

54.6 SD 4a 4a 3 3 B, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 96 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO AIBONITO PRER10I2

18.7 SD 4a 4a 3 3 B, I Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO MATON PRER10J

15.8 SD NS 50042800

4a 4a 1 1 B Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 97 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUAVATE PRER10K

19.8 SD 4a 4a 5 3 B, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

pH (1000)

RIO HONDO RIO HONDO PRER11A

22.0 SD SPD 50047530

5 5 5 1 G Collection System Failure (0500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Other Inorganic (0800) Surfactants (0400) Total Coliforms (1700)


- 98 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BAYAMÓN RIO BAYAMÓN PRER12A1

33.6 SD NS 50048510

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Cyanide (0720) Free Cyanide (0722) Total Coliforms (1700) Total Phosphorus (0910) Turbidity (2500)

RIO BAYAMÓN PRER12A2

83.7 SD NS 50047820

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)


- 99 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUAYNABO PRER12B

50.7 SD NS 50047990

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Source (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Total Coliform (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

RIO MINILLAS PRER12C

8.7 SD 4a 4a 3 3 G, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 100 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GRANDE DE LOIZA

RIO GRANDE DE LOIZA PRER14A1

31.0 SD NS 50059100

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Sources (0110) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Copper (0530) Low Dissolved Oxygen (1200) Total Phosphorus (0910) Turbidity (2500)


- 101 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of



86.6 SD NS 50055000

5 5 5 5 C, F, H

Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Pesticides (0200) Surfactants (0400) Total Coliform (1700) Total Nitrogen (0920) Total Phosphorus (0910)


- 102 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CANOVANAS PRER14B

32.6 SD SPD 50061910

5 5 5 1 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Total Coliforms (1700)

RIO CANOVANILLAS PRER14C

27.9 SD SPD 50061510

5 5 5 1 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



- 103 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA MARACUTO PREQ14D

22.9 SD SPD 50060200

4a 4a 5 1 G Confined Animal Feeding Operations (1640) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500)


QUEBRADA GRANDE PREQ14E

17.7 SD SPD 50059210

4a 4a 5 1 G Confined Animal Feeding Operations (1640) Package Plants (Small Flow) (0230) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


RIO CAÑAS PRER14F

9.4 SD SPD 50058350

4a 4a 5 1 C Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)



- 104 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GURABO PRER14G1

124.3 SD NS 50057025

5 5 5 5 C, F Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100)

Cooper (0530) Total Coliforms (1700) Total Phosphorus (0910) Turbidity (2500)


- 105 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO VALENCIANO PRER14G2

42.8 SD NS 50056500

4a 4a 5 5 C Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plant (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)

Cooper (0530) Lead (0550) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


- 106 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BAIROA PRER14H

16.3 SD NS 50055410

5 5 5 5 C, F, H, J

Collection System Failure (0500) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000) Minor Industrial Point Sources (0120)

Cyanide (0720) Free Cyanide (0722) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


- 107 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CAGÜITAS PRER14I

33.9 SD NS 50055250

5 5 5 5 C, F, H, J

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Cyanide (0720) Free Cyanide (0722) Surfactants (0400) Thermal Modifications (1400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


- 108 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO TURABO PRER14J

54.7 SD NS 50054500

5 5 5 5 C Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Cyanide (0720) Free Cyanide (0722) pH (1000) Total Coliform (1700) Turbidity (2500)

RIO CAYAGUAS PRER14K

38.5 SD NS 50051500

4a 4a 1 5 C Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

Total Phosphorus (0910)


- 109 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO EMAJAGUA PRER14L

8.5 SD SPD 50051000

4a 4a 5 1 C Onsite Wastewater Systems (6500) Minor Industrial Point Source (0120) Package Plants (Small Flow) (0230)

Cyanide (0720) Free Cyanide (0722)

RIO HERRERA RIO HERRERA PRER15A

17.0 SD SPD 50063065

5 5 5 5 G Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Total Coliforms (1700) Turbidity (2500)

RIO ESPIRITU SANTO

RIO ESPIRITU SANTO PRER16A

53.9 SD NS 50063800

4a 4a 1 1 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500)


- 110 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO ESPIRITU SANTO PRER16A1

4.5 SD 4a 4a 3 3 G, I Confined Animal Feeding Operations (1640) Major Industrial Point Sources (0110) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500)

RIO MAMEYES RIO MAMEYES PRER17A

35.6 SD SPD 50065650

4a 4a 1 2 G Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500)

RIO MAMEYES PRER17A1

3.3 SD 4a 4a 3 3 G, I Onsite Wastewater Systems (6500)

QUEBRADA MATA DE PLATANO

QUEBRADA MATA DE PLATANO PREQ18A

4.0 SD SPD 50066500

5 5 5 1 Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Surfactants (0400)


- 111 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO SABANA RIO SABANA PRER19A

15.1 SD 4a 4a 5 3 E, I, L

Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100)


RIO SABANA PRER19A1

18.0 SD 4a 4a 3 3 E, I, L

Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

RIO JUAN MARTÍN

RIO JUAN MARTÍN PRER20A

7.8 SD 4a 4a 3 3 E, I, L

Onsite Wastewater Systems (6500)

QUEBRADA FAJARDO

QUEBRADA FAJARDO PREQ21A

10.0 SD 4a 4a 5 3 E, I, L

Collection System Failure (0500) Onsite Wastewater Systems (6500)



- 112 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO FAJARDO RIO FAJARDO PRER22A

59.0 SD NS 50072500

4a 4a 5 5 L Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Cyanide (0720) Free Cyanide (0722) Low Dissolved Oxygen (1200) Surfactants (0400) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

RIO DEMAJAGUA

RIO DEMAJAGUA PRER23A

2.8 SD SPD 50072700

4a 4a 5 2 L Onsite Wastewater Systems (6500)



- 113 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA CEIBA

QUEBRADA CEIBA PREQ24A

5.0 SD SPD 50072810



QUEBRADA AGUAS CLARAS

QUEBRADA AGUAS CLARAS PREQ25A

4.8 SD 4a 4a 5 3 E, I, L

Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Thermal Modifications (1400)

RIO DAGUAO RIO DAGUAO PRER26A

13.8 SD SPD 50073225

4a 4a 5 2 L Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


QUEBRADA PALMA

QUEBRADA PALMA PREQ27A

11.8 SD 4a 4a 3 3 I, L Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230)


- 114 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA BOTIJAS

QUEBRADA BOTIJAS PREQ28A

7.4 SD 4a 4a 5 3 E, I, L



RIO SANTIAGO RIO SANTIAGO PRER29A

12.7 SD 4a 4a 3 3 E, I, L

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO SANTIAGO PRER29A1

2.6 SD 4a 4a 3 3 I, L Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 115 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BLANCO RIO BLANCO PRER30A

45.0 SD 4a 4a 5 5 E, I, L

Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Turbidity (2500)

QUEBRADA PEÑA POBRE PREQ30B

13.4 SD 4a 4a 5 3 E, I, L



RIO ANTON RUIZ

RIO ANTON RUIZ PRER31A

16.9 SD SPD 50078510



QUEBRADA MULAS PREQ31A1

3.5 SD 4a 4a 3 3 I, L Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


- 116 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA FRONTERA

QUEBRADA FRONTERA PREQ32A

8.5 SD 4a 4a 5 3 E, I, L

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO HUMACAO RIO HUMACAO PRER33A

55.8 SD NS 50082000

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Surfactants (0400) Total Coliforms (1700) Total Phosphorus (0910) Turbidity (2500)

RIO CANDELERO

RIO CANDELERO PRER34A

10.4 SD 4a 4a 5 3 G, I, O




- 117 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUAYANES RIO GUAYANES PRER35A

62.0 SD NS 50085000

5 5 5 5 G Agriculture (1300) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Package Plant (Small Flow) (0230) Onsite Wastewater Systems (6500)

Cooper (0530) Lead (0550) Low Dissolved Oxygen (1200) pH (1000) Total Coliforms (1700) Turbidity (2500)

RIO INGENIO PRER35A1

32.6 SD 4a 4a 3 3 G, I Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

QUEBRADA EMAJAGUA

QUEBRADA EMAJAGUA PREQ36A

2.5 SD 4a 4a 3 3 I, L Onsite Wastewater Systems (6500)


- 118 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO MAUNABO RIO MAUNABO PRER37A

36.0 SD NS 50091000

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Thermal Modifications (1400) Total Nitrogen (0920) Total Phosphorus (0910)

QUEBRADA MANGLILLO

QUEBRADA MANGLILLO PRSQ38A


QUEBRADA FLORIDA

QUEBRADA FLORIDA PRSQ39A

3.0 SD N/A N/A N/A N/A


- 119 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO JACABOA RIO JACABOA PRSR40A

13.0 SD 4a 4a 3 3 I, L, N


QUEBRADA PALENQUE

QUEBRADA PALENQUE PRSQ41A

1.0 SD 4a 4a 5 3 I, L, N, O



RIO CHICO RIO CHICO PRSR42A

14.6 SD SPD 50091800

4a 4a 5 5 L, N Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Ammonia (0600) Copper (0530) Low Dissolved Oxygen (1200) Mercury (0560) Silver (no code) Surfactants (0400) Total Phosphorus (0910)


- 120 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GRANDE DE PATILLAS

RIO GRANDE DE PATILLAS PRSR43A1

4.0 SD 4a 4a 3 3 I, L Major Municipal Point Source (0210) Onsite Wastewater Systems (6500)

RIO GRANDE DE PATILLAS PRSR43A2

35.9 SD NS 50092000


RIO MARIN PRSR43B


QUEBRADA YAUREL

QUEBRADA YAUREL PRSQ44A

6.0 SD 4a 4a 3 3 I, L, N


RIO NIGUAS DE ARROYO

RIO NIGUAS DE ARROYO PRSR45A

21.0 SD 5 5 3 3 I, L, O

Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)

Total Coliforms (1700)


- 121 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA SALADA

QUEBRADA SALADA PRSQ46A

1.7 SD 4a 4a 3 3 I, L, N

Onsite Wastewater Systems (6500) Surface Mining (5100)

QUEBRADA CORAZON

QUEBRADA CORAZON PRSQ47A

9.7 SD 4a 4a 3 3 I, L, N


QUEBRADA BRANDERI

QUEBRADA BRANDERI PRSQ48A

4.5 SD 4a 4a 3 3 I, L, N


RIO GUAMANI RIO GUAMANI PRSR49A

22.0 SD 4a 4a 5 3 I, L, N, O


Thermal Modifications (1400)


- 122 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA MELANIA

QUEBRADA MELANIA PRSQ50A

7.0 SD SPD 50096010

4a 4a 5 3 L, N Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Thermal Modification (1400)

RIO SECO RIO SECO PRSR51A

24.7 SD 4a 4a 5 3 I, L, N, O

Agriculture (1300) Onsite Wastewater Systems (6500)


QUEBRADA AMOROS

QUEBRADA AMOROS PRSQ52A

0.7 SD 4a 4a 5 3 D, I, L, N



QUEBRADA AGUAS VERDES

QUEBRADA AGUAS VERDES PRSQ53A

15.0 SD SPD 50099400




- 123 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO NIGUAS DE SALINAS

RIO NIGUAS DE SALINAS PRSR54A

102.5 SD SPD 50101600

4a 4a 5 1 G, N Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)


RIO JUEYES RIO JUEYES PRSR55A

11.0 SD 4a 4a 3 3 I, L, N

Agriculture (1300) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO CAYURES RIO CAYURES PRSR56A

5.0 SD SPD 50103100

4a 4a 5 2 L, N Agriculture (1300) Onsite Wastewater Systems (6500)



- 124 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO COAMO RIO COAMO PRSR57A1

7.5 SD 4a 4a 3 3 I, L, N

Agriculture (1300) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO COAMO PRSR57A2

59.0 SD NS 50106500

4a 4a 5 1 L Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



- 125 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CUYON PRSR57B

49.2 SD SPD 50106000

4a 4a 5 1 L Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)


RIO DESCALABRADO

RIO DESCALABRADO PRSR58A

18.8 SD 4a 4a 3 3 I, L, N, O

Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO CAÑAS RIO CAÑAS PRSR59A

8.0 SD 4a 4a 3 3 I, L, N



- 126 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO JACAGUAS RIO JACAGUAS PRSR60A1

22.8 SD 4a 4a 3 3 G, I, N

Agriculture (1300) Collection System Failure (0500) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO JACAGUAS PRSR60A2

29.3 SD 4a 4a 3 3 G, I, N

Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 127 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO INABON RIO INABON PRSR61A

66.7 SD 4a 4a 3 3 G, I Agriculture (1300) Collection System Failure (0500) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Surface Mining (5100) Urban Runoff/Storm Sewers (4000)

RIO BUCANA-CERRILLOS

RIO BUCANA-CERRILLOS PRSR62A1

27.8 SD NS 50114400

4a 4a 1 1 L Collection System Failure (0500) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)


- 128 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO BUCANA-CERRILLOS PRSR62A2

32.6 SD NS 50113800

4a 4a 1 1 L Agriculture (1300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

RIO PORTUGUES RIO PORTUGUES PRSR63A

54.0 SD NS 50114900 50116200

4a 4a 5 5 L Collection System Failure (0500) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

pH (1000) Thermal Modifications (1400) Turbidity (2500)


- 129 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO MATILDE -PASTILLO

RIO MATILDE-PASTILLO PRSR64A

43.2 SD 4a 4a 5 3 I, L, N, O

Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Sources (0110) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)


QUEBRADA DEL AGUA PRSQ64A1

8.0 SD 4a 4a 3 3 I, L, N



- 130 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO TALLABOA RIO TALLABOA PRSR65A

59.6 SD 4a 4a 5 5 I, L, N, O

Agriculture (1300) Collection System Failure (0500) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

RIO MACANA RIO MACANA PRSR66A

21.7 SD 4a 4a 3 3 I, L, N

Agriculture (1300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 131 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUAYANILLA

RIO GUAYANILLA PRSR67A

60.0 SD NS 50124700


Ammonia (0600) Low Dissolved Oxygen (1200) Total Nitrogen (0920) Total Phosphorus (0910)


- 132 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO YAUCO RIO YAUCO PRSR68A1

61.4 SD SPD 50128110

4a 4a 5 5 G, N Agriculture (1300) Collection System Failure (0500) Landfills (6300) Minor Industrial Point Source (0120) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Total Phosphorus (0910)

RIO YAUCO PRSR68A2

18.3 SD 4a 4a 3 3 G, I, N



- 133 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO LOCO RIO LOCO PRSR69A1

92.4 SD SPD 50129600

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


RIO LOCO PRSR69A2

19.5 SD 4a 4a 3 3 G, I Agriculture (1300) Onsite Wastewater Systems (6500)

RIO ARROYO CAJUL

RIO ARROYO CAJUL PRSR70A



- 134 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA BOQUERON

QUEBRADA BOQUERON PRWQ71A

11.7 SD 4a 4a 3 3 I, L Onsite Wastewater Systems (6500) Minor Industrial Point Sources (0120)

QUEBRADA ZUMBON

QUEBRADA ZUMBON PRWQ72A

1.7 SD SPD 50130050

4a 4a 5 3 L, N Collection System Failure (0500) Onsite Wastewater Systems (6500)


QUEBRADA GONZALEZ

QUEBRADA GONZALEZ PRWQ73A

1.8 SD 4a 4a 5 3 I, L,

N, O Onsite Wastewater Systems (6500)


QUEBRADA LOS PAJARITOS

QUEBRADA LOS PAJARITOS PRWQ74A

2.7 SD 4a 4a 5 3 I, L,

N, O Onsite Wastewater Systems (6500)


CAÑO CONDE AVILA

CAÑO CONDE AVILA PRWK75A

4.0 SD 4a 4a 3 3 I, L Onsite Wastewater

Systems (6500)

QUEBRADA IRIZARRY

QUEBRADA IRIZARRY PRWK76A

2.0 SD 4a 4a 3 3 I, L Onsite Wastewater

Systems (6500)


- 135 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUANAJIBO RIO GUANAJIBO PRWR77A

119.3 SD NS 50138000

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Total Coliforms (1700) Total Phosphorus (0910) Turbidity (2500)

RIO HONDO PRWR77B

17.2 SD 4a 4a 3 3 G, I Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 136 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO ROSARIO PRWR77C

58.3 SD NS 50136700

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Pesticides (0200) Turbidity (2500)


- 137 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO VIEJO PRWR77D

21.1 SD NS 50135625

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Total Phosphorus (0910) Turbidity (2500)

RIO DUEY Y RIO HOCONUCO PRWR77E

39.9 SD SPD 50135000

4a 4a 1 1 G Agriculture (1300) Onsite Wastewater Systems (6500)

RIO CAIN PRWR77F

24.5 SD 4a 4a 3 3 G, I Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)


- 138 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CUPEYES PRWR77G

8.0 SD 4a 4a 5 5 G, I Agriculture (1300) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Pesticides (0200)

RIO CRUCES PRWR77H

13.8 SD 4a 4a 3 3 G, I Collection System Failure (0500) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO GRANDE PRWR77I

22.5 SD 4a 4a 3 3 G, I Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 139 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


CAÑO MERLE CAÑO MERLE PRWK78A

1.6 SD 4a 4a 5 3 I, L, N, O

Collection System Failure (0500) Onsite Wastewater Systems (6500) Surface Mining (5100) Urban Runoff/Storm Sewers (4000)


QUEBRADA SABALO PRWQ78A1

9.5 SD 4a 4a 3 3 I, L, N



- 140 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO YAGÜEZ RIO YAGÜEZ PRWR79A

42.2 SD NS 50139000

5 5 5 5 L Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)

Total Coliforms (1700) Turbidity (2500)


- 141 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA DEL ORO

QUEBRADA DEL ORO PRWQ80A

10.0 SD 4a 4a 3 3 I, L Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

CAÑO MANI CAÑO MANI PRWK81A

3.0 SD 3 3 3 3 I Onsite Wastewater Systems (6500)

CAÑO BOQUILLA

CAÑO BOQUILLA PRWK82A

5.4 SD 3 3 3 3 I, N Landfills (6300) Onsite Wastewater Systems (6500)

CAÑO BOQUILLA PRWK82A1

3.0 SD 3 3 3 3 I, N Onsite Wastewater Systems (6500)

CAÑO BOQUILLA PRWK82A2



- 142 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GRANDE DE AÑASCO

RIO GRANDE DE AÑASCO PRWR83A

126.0 SD NS 50144000 50146000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Sources (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Total Phosphorus (0910) Turbidity (2500)

RIO CAÑAS PRWR83B

54.4 SD 4a 4a 3 3 M Agriculture (1300) Onsite Wastewater Systems (6500)

RIO CASEY PRWR83C

38.1 SD SPD 50145600

4a 4a 1 1 M Agriculture (1300) Onsite Wastewater Systems (6500)


- 143 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO HUMATA PRWR83D

13.3 SD SPD 50144900


Turbidity (2500)

RIO ARENAS PRWR83E

18.3 SD 4a 4a 3 3 I, M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO MAYAGUECILLO PRWR83F

18.0 SD SPD 50143600

4a 4a 1 1 M Agriculture (1300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)


- 144 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUABA PRWR83G

68.1 SD SPD 50143320


RIO BLANCO PRWR83H

79.9 SD SPD 50142250

4a 4a 1 1 M Agriculture (1300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500)

RIO PRIETO PRWR83I

59.8 SD SPD 50142900

4a 4a 5 5 M Agriculture (1300) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Pesticides (0200)

QUEBRADA JUSTO

QUEBRADA JUSTO PRWQ84A


QUEBRADA ICACOS

QUEBRADA ICACOS PRWQ85A



- 145 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA CAGUABO

QUEBRADA CAGUABO PRWQ86A


CAÑO GARCIA CAÑO GARCIA PRWK87A


QUEBRADA GRANDE DE CALVACHE

QUEBRADA GRANDE DE CALVACHE PRWQ88A

14.8 SD 3 3 3 3 D, N Onsite Wastewater Systems (6500)

QUEBRADA LOS RAMOS

QUEBRADA LOS RAMOS PRWQ89A

6.9 SD 3 3 5 3 D, I, N

Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500)


QUEBRADA PUNTA ENSENADA

QUEBRADA PUNTA ENSENADA PRWQ90A

5.0 SD 3 3 3 3 I, N Collection System Failure (0500) Onsite Wastewater Systems (6500)

QUEBRADA PILETAS

QUEBRADA PILETAS PRWQ91A

2.0 SD 3 3 5 3 I, N, O




- 146 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GRANDE RIO GRANDE PRWR92A


CAÑO DE SANTI PONCE

CAÑO DE SANTI PONCE PRWK93A

4.8 SD 4a 4a 3 3 I, L, N


RIO GUAYABO RIO GUAYABO PRWR94A

43.1 SD SPD 50146400 50146550

4a 4a 1 1 L Collection System Failure (0500) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)


- 147 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO CULEBRINAS

RIO CULEBRINAS PRWR95A

142.6 SD NS 50149100

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Arsenic (0510) Copper (0530) Pesticides (0200) Turbidity (2500)

RIO CAÑO (RIO CAÑAS) PRWR95B

33.3 SD SPD 50148700

4a 4a 1 1 M Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 148 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA GRANDE (SECTOR CUCHILLAS) PRWQ95C

11.4 SD SPD 50147997


QUEBRADA LAS MARIAS PRWQ95D

9.8 SD SPD 50147900


QUEBRADA YAGRUMA PRWQ95E

20.6 SD 4a 4a 3 3 I, M Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

QUEBRADA LA SALLE PRWQ95F

11.8 SD SPD 50147675


Low Dissolved Oxygen (1200) Pesticides (0200)


- 149 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


QUEBRADA EL SALTO PRWQ95G

7.8 SD SPD 50147630



QUEBRADA GRANDE DE LA MAJAGUA PRWQ95H

5.6 SD SPD 50147595


Pesticides (0200)

QUEBRADA SALADA PRWQ95I

7.9 SD SPD 50147475

4a 4a 5 1 M Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO SONADOR PRWR95J

37.7 SD SPD 50147450



- 150 -



(AU ID)

Waterbody Size

(miles) Class

2016 Monitoring

Stations NS =


Delisting



Pollution Causes of


RIO GUATEMALA PRWR95K

20.3 SD SPD 50147200


CAÑO CORAZONES

CAÑO CORAZONES PRWK96A

1.3 SD 4a 4a 3 3 I, L Collection System Failure (0500) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Notes: Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and black causes were listed into and/or prior to 2016 Cycle. (Old causes) A - Watershed that has an approved TMDL for Río Cibuco, the TMDL was approved on September 2002, the pollutant was Fecal Coliforms. B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. C - Watershed that has an approved TMDL for Río Grande de Loíza, the TMDL was approved on September 2007, the pollutant was Fecal Coliforms. D - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2008-303(d) list.


- 151 -

E - Watershed and sub watershed that were included in the 2006-303(d) list by a synoptic study and do not have permanent monitoring station. F - Watershed that has an approved TMDL for Río Grande de Loíza a TMDL was approved on August 2007, the pollutant was Dissolved Oxygen. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. H - Watershed that has an approved TMDL. Río Grande de Loíza, the TMDL was approved on August 2007, the pollutant was Copper. I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. J - Watershed that has approved TMDL from Río Grande de Loíza, a TMDL was approved on August 2007, the pollutant was Ammonia. L - Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliform. M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco y Río Culebrinas. N – Watershed and subwatersheds, are waterbodies that lack adequate flow, which impaired some of the designated uses. O - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2012 -303(d) list. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water


- 152 -

Estuaries

Table 22: Size of Waters Impaired by Causes (Monitored acres for Estuaries) Causes of Impairments

2013-2015 Cycle Causes of Impairments Summary

Causes of Impairments Size of Waters Impaired

(acres) Size of Waters Impaired

(acres/miles) Surfactants (0400) 0 648.3 ac, 11.9 mi Arsenic (0510) 0 23.29 ac Cyanide (0720) 0 23.29 ac Low Dissolved Oxygen (1200)

1.28 551.5 ac, 11.9 mi


0 49.9 ac

Fecal Coliforms (1700) 1.28 1.28 ac Total Coliforms (1700) 0 101.1 ac Turbidity (2500) 0 187.6 ac, 11.9 mi

Table 23: Size of Waters Impaired by Sources (Monitored and Unmonitored Estuaries)



Potential Sources of Pollution Size of Waters Impaired

(acres/miles) Size of Waters Impaired

(acres/miles) Major Industrial Point Source (0110)

152.06 ac 152.06 ac

Minor Industrial Point Source (0120)

142.8 ac, 11.9 mi 142.8 ac, 11.9 mi

Major Municipal Point Source (0210)

791.8 ac, 55.9 mi 791.8 ac, 55.9 mi

Collection System Failure (0500) 2,064.7 ac, 69.1 mi 2,064.7 ac, 69.1 mi Agriculture (1300) 168.6 ac, 11.9 mi 168.6 ac, 11.9 mi Confined Animal Feeding Operations (1640)

1,461.0 ac, 95.9 mi 1,461.0 ac, 95.9 mi


1,963.3 ac, 107.8 mi 1,963.3 ac, 107.8 mi

Surface Mining (5100) 147.1 ac 147.1 ac Landfills (6300) 595.2 ac, 70.2 mi 595.2 ac, 70.2 mi


- 153 -

Table 23: Size of Waters Impaired by Sources (Monitored and Unmonitored Estuaries)



Potential Sources of Pollution Size of Waters Impaired

(acres/miles) Size of Waters Impaired

(acres/miles) Major Industrial Point Source (0110)

152.06 ac 152.06 ac


2,753.4 ac, 107.8 mi 2,753.4 ac ac, 107.8 mi

Upstream Impoundment (7350) 294.1 ac 294.1 ac


- 154 -

Table 24: Estuaries Assessment (Except San Juan Estuary System)


(AU ID)

Waterbody Size

(acres/miles) Class

2016 Monitoring Stations

NS = Network SPD = Special

Project Delisting



Pollution Causes of


RIO GUAJATACA PRNR3A

RIO GUAJATACA PRNE3A

30.72 SB 3 3 3 N/A I Onsite Wastewater Systems (6500) Surface Mining (5100) Urban Runoff/Storm Sewers (4000)

QUEBRADA BELLACA PRNR4A

QUEBRADA BELLACA PRNE4A

2.68 SB 3 3 3 N/A I Onsite Wastewater Systems (6500)

RIO CAMUY PRNR5A

RIO CAMUY PRNE5A

26.88 SB 4a 4a 3 N/A G, I Onsite Wastewater Systems (6500)

RIO GRANDE DE ARECIBO PRNR7A

RIO GRANDE DE ARECIBO PRNE7A

54.20 SB 4a 4a 3 N/A I, M Agriculture (1300) Urban Runoff/Storm Sewers (4000)

CAÑO TIBURONES PRNE7.1

CAÑO TIBURONES PRNE7.1

187.1 ac 38.7mi

SB 4a 4a 3 N/A I, L Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO GRANDE DE MANATÍ PRNR8A

RIO GRANDE DE MANATÍ PRNE8A

164.86 SB 4a 4a 3 N/A I, M Urban Runoff/Storm Sewers (4000)


- 155 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO CIBUCO PRNR9A

RIO CIBUCO PRNE9A

189.69 ac 19.6 mi

SB N/A N/A 3 N/A A, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO DE LA PLATA PRER10A

RIO DE LA PLATA PREE10A

528.38 ac 24.4 mi

SB 4a 4a 3 N/A B, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


- 156 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO GRANDE DE LOIZA PRER14A

RIO GRANDE DE LOIZA PREE14A

555.84 ac 13.2 mi

SB 4a 4a 3 N/A G, I Collection System failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

RIO HERRERA PRER15A

RIO HERRERA PREE15A

65.28 SB 4a 4a 5 N/A G, I, O

Landfills (6300) Onsite Wastewater Systems (6500)

Surfactants (0400)


RIO ESPIRITU SANTO PREE16A

368.51 ac

SB 4a 4a 5 N/A E, G, I Collection System Failure (0500) Onsite Wastewater Systems (6500)


CAÑO RODRÍGUEZ PREE16.1

CAÑO RODRÍGUEZ PREE16.1

69.12 SB 3 3 3 N/A I Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

RIO MAMEYES PRER17A

RIO MAMEYES PREE17A

107.13

SB 4a 4a 3 N/A G, I Onsite Wastewater Systems (6500) Surface Mining (5100)

RIO SABANA PRER19A

RIO SABANA PREE19A

18.43

SB 4a 4a 3 N/A I, L Urban Runoff/Storm Sewers (4000)


- 157 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO JUAN MARTÍN PRER20A

RIO JUAN MARTÍN PREE20A

1.79 SB 4a 4a 3 N/A I, L Urban Runoff/Storm Sewers (4000)

RIO FAJARDO PRER22A

RIO FAJARDO PREE22A

43.52

SB 4a 4a 3 N/A I, L Collection System Failure (0500) Urban Runoff/Storm Sewers (4000)


RIO DEMAJAGUA PREE23A

1.79 SB 4a 4a 5 N/A I, L, O

Collection System Failure (0500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

QUEBRADA AGUAS CLARAS PRER25A

QUEBRADA AGUAS CLARAS PREE25A

1.53 SB 4a 4a 3 N/A I, L Upstream Impoundment (7350)

RIO DAGUAO PRER26A

RIO DAGUAO PREE26A


QUEBRADA PALMA PRER27A

QUEBRADA PALMA PREE27A


QUEBRADA BOTIJAS PRER28A

QUEBRADA BOTIJAS PREE28A


RIO SANTIAGO PRER29A

RIO SANTIAGO PREE29A

16.12 SB 4a 4a 3 N/A I, L Onsite Wastewater Systems (6500)

RIO BLANCO PRER30A

RIO BLANCO PREE30A



RIO ANTON RUIZ PREE31A



- 158 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO HUMACAO PRER33A

RIO HUMACAO PREE33A

79.36

SB 4a 4a 3 N/A G, I Collection System Failure (0500) Landfills (6300) Onsite Wastewater Systems (6500)


RIO CANDELERO PREE34A

49.92

SB 4a 4a 5 N/A E, G, I Collection System Failure (0500)

Low Dissolved Oxygen (1200) Thermal Modification (1400)

RIO GUAYANES PRER35A

RIO GUAYANES PREE35A

23.29 SB 4a 4a 5 N/A G, I Agriculture (1300) Collection System Failure (0500) Onsite Wastewater Systems (6500)

Arsenic (0510) Cyanide (0720) Turbidity (2500)

CAÑO SANTIAGO PRER35.1

CAÑO SANTIAGO PREE35.1

73.72 ac 11.9 mi

SB 4a 4a 5 N/A E, G, I Agriculture (1300) Collection System Failure (0500) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Surfactants (0400) Turbidity (2500)


- 159 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO CHICO PRSR42A

RIO CHICO PRSE42A

5.12 SB 4a 4a 3 N/A I, L, N


RIO GRANDE DE PATILLAS PRSR43A

RIO GRANDE DE PATILLAS PRSE43A

8.70 SB 4a 4a 3 N/A I, L Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)

QUEBRADA SALADA PRSR46A

QUEBRADA SALADA PRSE46A

3.84 SB 4a 4a 3 N/A I, L, N

Onsite Wastewater Systems (6500) Surface Mining (5100)

QUEBRADA CORAZON PRSR47A

QUEBRADA CORAZON PRSE47A

3.45 SB 4a 4a 3 N/A I, L, N


QUEBRADA BRANDERI PRSR48A

QUEBRADA BRANDERI PRSE48A

7.68 SB 4a 4a 3 N/A I, L, N


QUEBRADA MELANIA PRSR50A

QUEBRADA MELANIA PRSE50A

7.68 SB 4a 4a 3 N/A I, L, N


RIO SECO PRSR51A

RIO SECO PRSE51A

2.30 SB 4a 4a 3 N/A I, L, N


QUEBRADA AMOROS PRSR52A

QUEBRADA AMOROS PRSE52A

2.68 SB 4a 4a 3 N/A I, L, N


QUEBRADA AGUAS VERDES PRSR53A

QUEBRADA AGUAS VERDES PRSE53A

2.30 SB 4a 4a 3 N/A G, I, N

Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


- 160 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of



RIO NIGUAS DE SALINAS PRSE54A

7.04 SB 4a 4a 3 N/A G, I, N

Onsite Wastewater Systems (6500) Upstream Impoundment (7350)

RIO COAMO PRSR57A

RIO COAMO PRSE57A

7.29 SB 4a 4a 3 N/A I, L, N

Agriculture (1300) Upstream Impoundment (7350)

RIO DESCALABRADO PRSR58A

RIO DESCALABRADO PRSE58A

3.07 SB 4a 4a 3 N/A I, L Agriculture (1300)

RIO JACAGUAS PRSR60A

RIO JACAGUAS PRSE60A

7.04 SB 4a 4a 3 N/A G, I, N


RIO INABON PRSR61A

RIO INABON PRSE61A

2.30 SB 4a 4a 3 N/A G, I Urban Runoff/Storm Sewers (4000)


RIO MATILDE-PASTILLO PRSE64A

27.64 SB 4a 4a 5 N/A I, L, N, O


Turbidity (2500)

RIO TALLABOA PRSR65A

RIO TALLABOA PRSE65A

21.50 SB 4a 4a 5 N/A I, L, N, O


Turbidity (2500)

RIO MACANA PRSR66A

RIO MACANA PRSE66A

2.30 SB 4a 4a 3 N/A I, L, N


RIO YAUCO PRSR68A

RIO YAUCO PRSE68A

1.92 SB 4a 4a 3 N/A G, I, N

Upstream Impoundment (7350)


- 161 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO LOCO PRSR69A

RIO LOCO PRSE69A

5.37 SB 4a 4a 3 N/A G, I Onsite Wastewater Systems (6500) Surface Mining (5100) Urban Runoff/Storm Sewers (4000)

QUEBRADA BOQUERON PRWR71A

QUEBRADA BOQUERON PRWE71A

6.14 SB 4a 4a 3 N/A I, L Urban Runoff/Storm Sewers (4000)

QUEBRADA ZUMBON PRWR72A

QUEBRADA ZUMBON PRWE72A

1.92 SB 4a 4a 3 N/A I, L, N


QUEBRADA GONZALEZ PRWR73A

QUEBRADA GONZALEZ PRWE73A

5.12 SB 4a 4a 3 N/A I, L, N

Upstream Impoundment (7350)

QUEBRADA LOS PAJARITOS PRWR74A

QUEBRADA LOS PAJARITOS PRWE74A

1.92 SB 4a 4a 3 N/A I, L, N

RIO GUANAJIBO PRWR77A

RIO GUANAJIBO PRWE77A

36.86 SB 4a 4a 3 N/A I, L Collection System Failure (0500) Onsite Wastewater Systems (6500)

CAÑO MERLE PRWR78A

CAÑO MERLE PRWE78A

101.12 SB SPD 50138265

5 5 5 N/A L, N Collection System Failure (0500)

Surfactants (0400) Total Coliforms (1700)


- 162 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO YAGÜEZ PRWR79A

RIO YAGÜEZ PRWE79A

12.28 SB 4a 4a 3 N/A I, L Collection System Failure (0500) Urban Runoff/Storm Sewers (4000)

CAÑO BOQUILLA PRWR82A

CAÑO BOQUILLA PRWE82A

39.68 SB 3 3 5 N/A I, N, O




RIO GRANDE DE AÑASCO PRWE83A

152.06 SB 4a 4a 3 N/A I, M Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500)

QUEBRADA GRANDE CALVACHE PRWR88A

QUEBRADA GRANDE CALVACHE PRWE88A

1.28 SB SPD 50146150

5 5 5 N/A N Urban Runoff/Storm Sewers (4000)

Fecal Coliforms (1700) Low Dissolved Oxygen (1200)

QUEBRADA LOS RAMOS PRWR89A

QUEBRADA LOS RAMOS PRWE89A

.384 SB 3 3 3 N/A I, N Collection System Failure (0500)

RIO GRANDE PRWR92A

RIO GRANDE PRWE92A

1.79 SB 4a 4a 3 N/A I, L, N

CAÑO DE SANTI PONCE PRWR93A

CAÑO DE SANTI PONCE PRWE93A

2.04 SB 4a 4a 3 N/A I, L, N



- 163 -



(AU ID)

Waterbody Size

(acres/miles) Class



Project Delisting



Pollution Causes of


RIO GUAYABO PRWR94A

RIO GUAYABO PRWE94A

18.43 SB 4a 4a 5 N/A D, I, L




RIO CULEBRINAS PRWE95A

86.01 SB 4a 4a 3 N/A I, M Onsite Wastewater Systems (6500) Upstream Impoundment (7350)

Notes: Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and black causes were listed into and/or prior to 2016 Cycle. (Old causes)

A - Watershed that has an approved TMDL for Río Cibuco, the TMDL was approved on September 2002, the pollutant was Fecal Coliforms. B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. D - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2008-303(d) list. E - Watershed and sub watershed that were included in the 2006-303(d) list by a synoptic study and do not have permanent monitoring station. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. L - Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliform.

M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco y Río Culebrinas. N – Watershed and subwatersheds, are waterbodies that lack adequate flow, which impaired some of the designated uses. O - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2012 - 303(d) list. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water N/A - Not applicable


- 164 -

San Juan Bay Estuary System

Table 25: Size of Waters Impaired by Causes San Juan Bay Estuary System

Causes of Impairments 2013-2015 Cycle

Causes of Impairments Summary

Causes of Impairments Size of Waters Impaired (acres/miles)

Size of Waters Impaired (acres/miles)

Surfactants (0400) 2,389.2 ac, 47.9 mi 2,389.2 ac, 66.7 mi Arsenic (0510) 0 18.8 mi Copper (0530) 2,389.2 ac, 47.9 mi 2,389.2 ac, 66.7 mi Lead (0550) 2,389.2 ac, 47.9 mi 2,389.2 ac, 66.7mi Mercury (0560) 2,389.2 ac, 47.9 mi 2,389.2 ac, 66.7 mi Selenium (0570) 0 18.8 mi Ammonia (0600) 0 2,453.8 ac, 103.8 mi Cyanide (0720) 0 18.8 mi Total Nitrogen (0920) 103.8 mi 103.8 mi Total Phosphorus (0910) 64.6 ac, 103.8 mi 64.6 ac, 103.8 mi pH (1000) 2,389.2 ac, 66.7 mi 2,453.8 ac, 122.6 mi Low Dissolved Oxygen (1200) 2,453.8 ac, 122.6 mi 2,453.8 ac, 122.6 mi Thermal Modifications (1400) 2,453.8 ac, 122.6 mi 2,453.8 ac, 122.6 mi Enterococcus Bacteria (1700) 18.8 mi 2,389.2 ac, 66.7 mi Fecal Coliforms (1700) 2,389.2 ac, 47.9 mi 2,389.2 ac, 47.9 mi Total Coliforms (1700) 2,453.8 ac, 103.8 mi 2,453.8 ac, 103.8 mi Oil and Grease (1900) 2,453.8 ac, 122.6 mi 2,453.8 ac, 122.6 mi Turbidity (2500) 2,389.2 ac, 66.7 mi 2,453.8 ac, 122.6 mi

Table 26: Size of Waters Impaired by Sources San Juan Bay Estuary System Potential Sources of Pollution

2013-2015 Cycle Potential Sources of Pollution

Summary

Potential Sources of Pollution Size of Waters Impaired (acres/miles)


Major Industrial Point Sources (0110) 64.6 ac, 74.7 mi 64.6 ac, 74.7 mi Minor Industrial Point Source (0120) 18.8 mi 18.8 mi Major Municipal Point Source (0210) 18.8 mi 18.8 mi Collection System Failure (0500) 2,453.8 ac, 122.6 mi 2,453.8 ac, 122.6 mi Confined Animal Feeding Operations (1640)

2,453.8 ac, 103.8 mi 2,453.8 ac, 103.8 mi

Urban Runoff/Storm Sewers (4000) 2,453.8 ac, 122.6 mi 2,453.8 ac, 122.6 mi Landfills (6300) 64.6 ac, 55.9 mi 64.6 ac, 55.9 mi Onsite Wastewater Systems (6500) 2,389.2 ac, 66.7 mi 2,389.2 ac, 66.7 mi Marinas and Recreational Boating (7900)

18.8 mi 18.8 mi


- 165 -

Table 27: San Juan Bay Estuary System Assessment

Basin Waterbody Name (AU ID)

Waterbody Size

(acres/miles)


NS = Network ED = External

Data


Notes Potential Sources of Pollution Causes of Impairment

R1 R2 AL DW

ESTUARY SYSTEM PREE13A1 Caño Control de La Malaria Bahía de San Juan Caño San Antonio Laguna Del Condado Península La Esperanza

18.8 miles NS ED – BSJ 1, 2, 3

LC 1, 2 CSA

La Malaria PLE

5 5 5 N/A G, P Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Minor Industrial Point Sources (0120) Onsite Wastewater System (6500) Urban Runoff/Storm Sewers (4000)

Arsenic (0510) Copper (0530) Cyanide (0720) Enterococcus Bacteria (1700) Lead (0550) Low Dissolved Oxygen (1200) Mercury (0560) Oil & Grease (1900) pH (1000) Selenium (0570) Surfactants (0400) Thermal Modifications (1400) Turbidity (2500)

ESTUARY SYSTEM PREE13A2 Río Piedras Lago Las Curías

64.6 ac 55.9 mi

NS 89027 89028

50048800 50049100

ED – RP 01, 02, 03

RPN Lago Las Curías

5 5 5 5 G, P Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Sources (0110) Urban Runoff/Storm Sewers (4000)

Ammonia (0600) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


- 166 -

Table 27: San Juan Bay Estuary System Assessment


Waterbody Size

(acres/miles)


NS = Network ED = External

Data



R1 R2 AL DW

ESTUARY SYSTEM PREE13A3 Caño Martín Peña Quebrada Juan Méndez Quebrada San Antón Quebrada Blasina Canal Machicote Canal Suárez Laguna San José Laguna Torrecillas Laguna de Piñones Laguna Los Corozos

2,389.2 ac 47.9 mi

NS 50050300

ED – CS 1, 2 CMP

LSJ 1, 2 Blasina

San Antón Laguna Los

Corozos Laguna Torrecillas 1, 2, 3

Juan Méndez Laguna Piñones

5 5 5 N/A P Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater System (6500) Urban Runoff/Storm Sewers (4000)

Ammonia (0600) Copper (0530) Enterococcus Bacteria (1700) Fecal Coliforms (1700) Lead (0550) Low Dissolved Oxygen (1200) Mercury (0560) Oil &Grease (1900) pH (1000) Surfactants (0400) Thermal Modifications (1400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

Notes: Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and black causes were listed into and/or prior to 2016 Cycle. (Old causes)

G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. P - External Data R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Sources for Drinking Water N/A - Not applicable


- 167 -

Lagoons

Table 28: Size of Waters Impaired by Causes (Monitored acres for Lagoons) Causes of Impairments


Summary

Causes of Impairments Size of Waters Impaired (acres)

Size of Waters Impaired (acres)

Copper (0530) 0 1,675 Cyanide (0720) 0 554 pH (1000) 0 813 Low Dissolved Oxygen (1200) 0 2,482 Thermal Modifications (1400) 0 257 Enterococcus Bacteria (1700) 0 336 Turbidity (2500) 0 918

Table 29: Size of Waters Impaired by Sources (Monitored and Unmonitored Acres for Lagoons) Potential Sources of Pollution

2013-2015 Cycle Potential Sources of Pollution

Summary

Potential Sources of Pollution Size of Waters Impaired (acres)

Size of Waters Impaired (acres)

Urban Runoff/Storm Sewers (4000) 1,685 1,685 Landfills (6300) 14 14 Onsite Wastewater Systems (6500) 1,480 1,480 Marinas and Recreational Boating (7900)

399 399

Natural Sources (8600) 1,598 1,598 Unknown Sources (9000) 673 673


- 168 -

Table 30: Lagoons Assessment (Monitored and Unmonitored)

Municipality Waterbody Name (AU ID) Class

2016 Monitoring

Stations NS =

Network

WB Size (acres)

Overall Designated Uses and Categories


R1 R2 AL

MAYAGÜEZ Laguna Joyudas PRWN0005

SB 339 4a 4a 5 I, L Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000) Natural Sources (8600)

Copper (0530) Low Dissolved Oxygen (1200)

VEGA BAJA- MANATÍ Laguna Tortuguero PRNN0006

SE NS 50038200


Cyanide (0720) Low Dissolved Oxygen (1200)

DORADO Laguna Mata Redonda PRNN0007

SB 15 3 3 5 I Urban Runoff/Storm Sewers (4000) Low Dissolved Oxygen (1200) pH (1000)

FAJARDO Laguna Aguas Prietas PREN0011

SB 128 3 3 5 I Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved Oxygen (1200) Turbidity (2500)

FAJARDO Laguna Grande PREN0012

SB 216 5 5 5 I Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) pH (1000)

CEIBA Laguna Ceiba PREN0013


Copper (0530) Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) pH (1000)

GUAYAMA Laguna Pozuelo PRSN0014

SB 35 3 3 5 I Urban Runoff/Storm Sewers (4000) Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Thermal Modification (1400)

SALINAS Laguna Mar Negro PRSN0015

SB 208 3 3 5 I Urban Runoff/Storm Sewers (4000) Natural Sources (8600)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000)


- 169 -



2016 Monitoring

Stations NS =

Network

WB Size (acres)



R1 R2 AL

SALINAS Laguna Punta Arenas PRSN0016

SB 18 3 3 5 I Urban Runoff/Storm Sewers (4000) Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved Oxygen (1200) Thermal Modification (1400) Turbidity (2500)

SALINAS Laguna Tiburones PRSN0017

SB 14 3 3 5 I Landfills (6300) Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Thermal Modification (1400) Turbidity (2500)

PONCE Laguna Salinas PRSN0018

SB 77 3 3 5 I Onsite Wastewater Systems (6500) Unknown Sources (9000)


CABO ROJO Laguna Salinas I (Fraternidad) PRSN0019

SB 294 3 3 5 I Onsite Wastewater Systems (6500) Natural Sources (8600)


CABO ROJO Laguna Cabo Rojo 2 (Candelaria) PRSN0020



CABO ROJO Laguna Cabo Rojo 3 (El Faro) PRSN0021

SB 69 3 3 5

I

Natural Sources (8600) Unknown Sources (9000)


RINCÓN – CABO ROJO Caño Boquerón PRSN0022

SB 183 3 3 5

I

Marinas and Recreational Boating (7900) Natural Sources (8600)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)


- 170 -



2016 Monitoring

Stations NS =

Network

WB Size (acres)



R1 R2 AL

CABO ROJO Laguna Guaniquilla PRSN0023

SB 22 3 3 5 I Unknown Sources (9000) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

LAJAS Laguna Cartagena PRSN0024

SE 300 3 3 3 I Urban Runoff/Storm Sewers (4000)

Notes:

Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and black causes were listed into and/or prior to 2016 Cycle. (Old causes) I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. L- Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliforms. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life


- 171 -

Lakes

Table 31: Size of waters Impaired by Causes (Monitored Acres for Lakes) Causes of Impairments


Summary

Causes of Impairments Size of Waters Impaired (acres/miles)


Pesticides (0200) 0 2,133.0 ac, 48.8 mi Surfactants (0400) 0 634.0 ac, 6.9 mi Arsenic (0510) 0 1,194 ac, 21.9 mi Copper (0530) 0 2,047.0 ac, 25.9 mi Lead (0550) 0 713.0 ac, 7.2 mi Cyanide (0720) 0 1,194.0 ac, 21.9 mi pH (1000) 3,730 ac, 56 mi 3,807 ac, 59.0 mi Total Phosphorus (0910) 560 ac, 15 mi 560.0 ac, 15.0 mi Low Dissolved Oxygen (1200) 7,234 ac, 134.4 mi 7,323.0 ac, 136.1 mi Turbidity (2500) 1,273 ac, 22.2 mi 1,973.0 ac, 34.0 mi

Table 32: Size of waters Impaired by Sources (Monitored Acres for Lakes)



Potential Sources of Pollution Size of Waters Impaired (acres/miles)


Package Plant (Small Flows) (0230)

1,000 ac, 2.6 mi. 1,000 ac, 2.6 mi.

Collection System Failure (0500) 1,914 ac, 36.4 mi 1,914 ac, 36.4 mi Agriculture (1300) 3,680.0 ac, 90.2 mi 3,680.0 ac, 90.2 mi Confined Animal Feeding Operations (1640)

3,870 ac, 67 mi 3,870 ac, 67 mi


1,413.0 ac, 7.2 mi 1,413.0 ac, 7.2 mi

Landfills (6300) 560.0 ac, 15.0 mi 560.0 ac, 15.0 mi Onsite Wastewater Systems (6500)

6,623 ac, 136.1 mi 6,623 ac, 136.1 mi


- 172 -

Table 33: Lakes Assessment


Waterbody Size

(acres/miles) Class

2016 Monitoring

Stations NS = Network SPD = Special

Project Delisting

Overall Designated Use

Attainment Notes Potential Sources of

Pollution Causes of Impairment

R1 R2 AL DW

RIO GUAJATACA LAGO GUAJATACA PRNL3A1

1000 ac 2.6 mi

SD NS 10720 10790

10790C

4a 4a 5 1 G Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230)



LAGO DOS BOCAS PRNL17A1

634 ac 6.9 mi

SD NS 25110 27090

27090E

4a 4a 5 5 K, M Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)

Arsenic (0510) Cyanide (0720) Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Surfactants (0400)


LAGO CAONILLAS PRNL27C1

700 ac 11.8 mi

SD NS 89001 89002 89003


Copper (0530) Low Dissolved Oxygen (1200) Pesticides (0200) Turbidity (2500)


LAGO GARZAS PRNL37A3

108 ac 2.7 mi

SD NS 20050




LAGO GUINEO PRNL18C1

54 ac 1.7 mi

SD NS 89008




LAGO MATRULLAS PRNL28C1

77 ac 3.0 mi

SD NS 89009 89010



RIO DE LA PLATA LAGO DE LA PLATA PREL110A1

560 ac 15.0 mi

SD NS 44400 44950

44950C

4a 4a 5 5 B, K Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500)

Arsenic (0510) Cyanide (0720) Low Dissolved Oxygen (1200) pH (1000) Total Phosphorus (0910) Turbidity (2500)

RIO DE LA PLATA LAGO CARITE PREL210A5

333 ac 11.3 mi

SD NS 39900 39950

39950C




- 173 -



Waterbody Size

(acres/miles) Class

2016 Monitoring


Project Delisting




R1 R2 AL DW

RIO BAYAMON LAGO CIDRA PREL12A2

268 ac 8.3 mi

SD NS 89029 89030 89031

4a 4a 5 1 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO GRANDE DE LOIZA

LAGO LOIZA PREL14A1

713 ac 7.2 mi

SD NS 57500 58800

58800D

4a 4a 5 5 C Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Low Dissolved Oxygen (1200) Turbidity (2500)

RIO GRANDE DE PATILLAS

LAGO PATILLAS PRSL43A1

312 ac SD NS 89022 89023 89024

4a 4a 5 5 L Agriculture (1300) Onsite Wastewater Systems (6500)


QUEBRADA MELANIA

LAGO MELANIA PRSL50A

35 ac SD NS 89026



RIO JACAGUAS LAGO GUAYABAL PRSL160A1

373 ac 5.9 mi

SD NS 89011 89012 89013

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Onsite Wastewater Systems (6500)


RIO JACAGUAS LAGO TOA VACA PRSL260A1

836 ac 31.5 mi

SD NS 89014 89015 89016



RIO BUCANA-CERRILLOS

LAGO CERRILLOS PRSL62A1

700 ac SD NS 89032 89033 89034

4a 4a 5 1 L Urban Runoff/Storm Sewers (4000)


RIO YAUCO LAGO LUCHETTI PRSL68A1

266 ac 14.0 mi

SD NS 89017 89018 89019




- 174 -



Waterbody Size

(acres/miles) Class

2016 Monitoring


Project Delisting




R1 R2 AL DW

RIO LOCO LAGO LOCO PRSL69A

69 ac 1.5 mi

SD NS 89021C

4a 4a 5 1 G Onsite Wastewater Systems (6500) Low Dissolved Oxygen (1200)


LAGO GUAYO PRWL83H

285 ac 12.7 mi

SD NS 89004 89005 89006



Notes: Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and red causes were listed into and/or prior to 2016 Cycle. (Old causes)

B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. C - Watershed that has an approved TMDL for Río Grande de Loíza, the TMDL was approved on September 2007, the pollutant was Fecal Coliforms. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. K - Remains in 2016 303(d) list due to old segmentation evaluation. L - Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliform.

M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco Río Culebrinas. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water


- 175 -

Coastal Shoreline

Table 34: Size of Waters Impaired by Causes (Monitored Miles for Coastal Waters) Causes of Impairments


Summary

Causes of Impairments Size of Waters Impaired (miles)

Size of Waters Impaired (miles)

Arsenic (0510) 0 7.79 Copper (0530) 0 7.79 pH (1000) 126.0 201.14 Low Dissolved Oxygen (1200) 277.1 334.20 Thermal Modifications (1400) 57.5 99.56 Enterococcus Bacteria (1700) 41.4 126.30 Fecal Coliforms (1700) 0 15.62 Oil and Grease (1900) 0 82.42 Turbidity (2500) 352.8 391.92

Table 35: Size of Waters Impaired by Sources (Monitored and Unmonitored Coastal Waters)



Potential Sources of Pollution Size of Waters Impaired (miles)

Size of Waters Impaired (miles)

Major Industrial Point Source (0110) 107.3 107.3 Major Municipal Point Source (0210) 83.7 83.7 Minor Municipal Point Source (0220) 98.2 98.2 Collection System Failure (0500) 39.8 39.8 Agriculture (1050) 41.0 41.0 Highway/Road/Bridge Construction (3100)

4.2 4.2

Urban Runoff /Storm Sewers (4000) 376.6 376.6 Surface Mining (5100) 7.5 7.5 Onsite Wastewater Systems (6500) 436.5 436.5 Landfills (6300) 7.0 7.0 Upstream Impoundment (7350) 138.0 138.0 Marinas and Recreational Boating (7900)

211.1 211.1

Unknown Sources (9000) 46.6 46.6 Debris and bottom deposits (8520) 100.3 100.3 Hazardous wastes (6600) 100.3 100.3 Regulations/modifications (7400) 67.6 67.6


- 176 -

Table 36: Coastal Shoreline Waters Assessment (Monitored and Unmonitored waters)

Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station

NS - Network ED - External

Data


Attainment Notes Potential Sources of Pollution Causes of Impairment

R1 R2 AL

PRNC01 (Punta Borinquén to Punta Sardina)

11.75 SB

NS SBZ-003, SBZ-004, SBZ-005,

MAC-044

1 1 5

Onsite Wastewater Systems (6500) Low Dissolved Oxygen (1200)

PRNC02 (Punta Sardina to Punta Manglillo)

14.10 SB NS MAC-047,

MAC-086, SBZ-006

5 5 5

Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

PRNC03 (Punta Manglillo to Punta Morrillos)

9.65 SB NS SEG3-01 SBZ-007

1 1 5

Collection System Failure (0500) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)

pH (1000) Turbidity (2500)

PRNC04 (Punta Morrillos to Punta Manatí)

13.66 SB NS MAC-049, SBZ-008, SBZ-009,

MAC-055

1 1 5 Collection System Failure (0500) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


PRNC05 (Punta Manatí to Punta Chivato)

7.46 SB NS SEG5-01 SBZ-010

1 1 5 Unknown Source (9000) Low Dissolved Oxygen (1200)

PRNC06 (Punta Chivato to Punta Puerto Nuevo)

3.23 SB NS MAC-087, RW-

23

1 1 1 Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

PRNC07 (Punta Puerto Nuevo to Punta Cerro Gordo)

5.05 SB NS SEG7-01

MAC-088, RW-17



PRNC08 (Punta Cerro Gordo to Punta Boca Juana)

7.32 SB NS SBZ-013, SBZ-

014, RW-18, MAC-061


Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

PREC09 (Punta Boca Juana to Punta Salinas)

5.78 SB NS MAC-077, RW-

19




- 177 -


Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PREC10B (Punta Salinas to Río Bayamón Mouth)

2.91 SB NS MAC-063

5 5 5 Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) Turbidity (2500)

PREC10C ( Río Bayamon Mouth to Isla de Cabras)

6.63 SC NS SEG10C-01 SEG10C-02



PREC11 (Isla de Cabras to Punta del Morro)

7.79 SC 5 5 5 I Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Arsenic (0510) Copper (0530) Fecal Coliforms (1700) Low Dissolved Oxygen (1200)

PREC12 (Punta del Morro to West side of Condado Bridge)

3.50 SB NS SBZ-018, SBZ-019, RW-20B,

RW-20A ED- CariCoos

Buoy B

1 1 5 P Urban Runoff/Storm Sewers (4000) pH (1000)

PREC13 (East side of Condado Bridge to Punta Las Marías)

4.31 SB NS B-1, B-2

1 1 5 Urban Runoff/Storm Sewers (4000) pH (1000) Turbidity (2500)

PREC14 (Punta Las Marías to Punta Cangrejos)

4.19 SB NS SEG14-01, SEG14-02

EB-40, B-3, RW-21, RW-21C

1 1 5 Marinas and Recreational Boating (7900) Urban Runoff/Storm Sewers (4000)


PREC15 (Punta Cangrejos to Punta Vacía Talega)


026




- 178 -


Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PREC16 (Punta Vacía Talega to Punta Miquillo)


028

1 1 5 Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


PREC17 (Punta Miquillo to Punta La Bandera)

8.41 SB NS SEG17-01,

MAC-009, RW-1A, RW-1C



PREC18 (Punta La Bandera to Cabezas de San Juan)

10.46 SB NS SBZ-030, MAC-

010, RW-2

1 1 5 Unknown Source (9000) Low Dissolved Oxygen (1200) Turbidity (2500)

PREC19 (Cabezas de San Juan to Punta Barrancas)

7.08 SB NS MAC-078

5 5 5 Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) Oil & Grease (1900) Turbidity (2500)

PREC20 (Punta Barrancas to Punta Medio Mundo)

5.33 SB NS SEG20-01 SEG20-02



PREC21 (Punta Medio Mundo to Punta Puerca)

3.00 SB 3 3 3 I

PREC22 (Punta Puerca to Isla Cabras)

3.30 SB 3 3 3 I Marinas and Recreational Boating (7900)

PREC23 (Isla Cabras to Punta Cascajo)

8.83 SB NS SEG23-01

1 1 5 Major Industrial Point Source (0110) Marinas and Recreational Boating (7900)


PREC24 (Punta Cascajo to Punta Lima)

9.07 SB SEG24-01 SEG24-02

1 1 5 Major Industrial Point Source (0110) Upstream Impoundment (7350)



- 179 -


Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PREC25 (Punta Lima to Morro de Humacao)

9.83 SB NS SEG25-01, MAC-080,

MAC-081, RW-4, MAC-011



PREC26 (Morro de Humacao to Punta Candelero)

1.84 SB NS SEG26-01


Turbidity (2500)

PREC27 (Punta Candelero to Punta Guayanés)

3.74 SB NS SEG27-01


Enterococcus Bacteria (1700) Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Turbidity (2500)

PREC28C (Punta Guayanés to Punta Quebrada Honda)

4.68 SC NS MAC-012,

MAC-013, SBZ-037

1 1 5 Major Industrial Point Source (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Turbidity (2500) pH (1000) Oil & Grease (1900)

PREC28B (Punta Quebrada Honda to Punta Yeguas)

0.74 SB NS SBZ-038

1 1 5 Onsite Wastewater Systems (6500) Low Dissolved Oxygen (1200) Turbidity (2500)

PREC29 (Punta Yeguas to Punta Tuna)

4.35 SB NS SEG29-01 SEG29-02



PREC30 (Punta Tuna to Cabo Mala Pascua)

2.65 SB NS MAC-082

5 5 5 Unknown Source (9000) Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

PRSC31 (Cabo Mala Pascua to Punta Viento)

4.06 SB SEG31-01 5 5 5 Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Fecal Coliforms (1700) Low Dissolved Oxygen (1200)

PRSC32 (Punta Viento to Punta Figuras)

6.16 SB NS SBZ-040, RW-6, MAC-083, RW-7

5 5 5 Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)



- 180 -


Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PRSC33 (Punta Figuras to Punta Ola Grande)

8.10 SB NS SEG33-01 MAC-017



PRSC34 (Punta Ola Grande to Punta Petrona)

40.96 SB NS SEG34-01, SEG34-02 MAC-019,

ED - Stations 09, 10, 19 and 20 from National

Reserve of Jobos Bay

5 5 5 P Agriculture (1050) Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)

Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Turbidity (2500)

PRSC35 (Punta Petrona to Punta Cabullones)

16.19 SB NS SEG35-01, SEG35-02 MAC-020

ED - CariCoos Buoy A

5 5 5 P Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


PRSC36B (Punta Cabullones to Punta Carenero)

2.53 SB NS SEG36B-01

1 1 5 Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000) Major Municipal Point Source (0210)

Turbidity (2500)

PRSC36C (Punta Carenero to Punta Cuchara)

6.70 SC NS MAC-022, MAC-023

5 5 5 Major Municipal Point Source (0210) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


PRSC37B (Punta Cuchara to Cayo Parguera)

3.30 SB NS MAC-084

1 1 5 Surface Mining (5100) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000) Unknown Source (9000)

Thermal Modifications (1400) Turbidity (2500)


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Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PRSC37C (Cayo Parguera to Punta Guayanilla)

4.20 SC NS MAC-024, MAC-025

1 1 5 Highway/Road/Bridge Construction (3100) Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Surface Mining (5100) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)

Oil & Grease (1900) pH (1000) Turbidity (2500)

PRSC38 (Punta Guayanilla to Punta Verraco)

13.20 SC NS MAC-027, MAC-089, MAC-028

5 5 5 Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


PRSC39 (Punta Verraco to Punta Ballena)

6.41 SB NS MAC-030, SEG39-01

1 1 5 Unknown Source (9000) Turbidity (2500)

PRSC40 (Punta Ballena to Punta Brea)

13.26 SB NS MAC-085, RW-

9, MAC-034

1 1 5 Marinas and Recreational Boating (7900) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) pH (1000) Thermal Modifications (1400) Turbidity (2500)

PRSC41B1 (Punta Brea to Bahía Fosforescente La Parguera)

10.93 SB NS SBZ-045, RW-10, RW-10A,

RW-10B


Turbidity (2500)


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Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PRSC41A1 (Bahía Fosforescente La Parguera)

2.00 SA

3 3 3 I

PRSC41B2 (Bahía Fosforescente La Parguera to Punta Cueva de Ayala)

7.00 SB NS SBZ-046

ED - Station MGIP4 from

NOAA & CariCoos

1 1 5 P Landfill (6300) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Thermal Modifications (1400) Turbidity (2500)

PRSC41A2 (Bahía Monsio José)

3.72 SA 3 3 3 I

PRSC41B3 (Bahía Monsio José to Faro de Cabo Rojo)

13.45 SB NS SEG41B3-01 SEG41B3-02

1 1 5 Unknown Source (9000) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

PRWC42 (Faro de Cabo Rojo to Punta Águila)

2.89 SB NS SEG42-01

1 1 5 Unknown Source (9000) Low Dissolved Oxygen (1200) Turbidity (2500)

PRWC43 (Punta Águila to Punta Guaniquilla)

9.54 SB NS SBZ-047, RW-12A, RW-12B, SBZ-048, RW-14A, MAC-037,

RW-13

1 1 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)


PRWC44 (Punta Guaniquilla to Punta La Mela)

2.50 SB NS SBZ-050, RW-8,

SBZ-051

1 1 5 Onsite Wastewater Systems (6500) Turbidity (2500)

PRWC45 (Punta La Mela to Punta Carenero)

2.95 SB NS SEG45-01

5 5 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500)

Enterococcus Bacteria (1700) Turbidity (2500)


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Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PRWC46 (Punta Carenero to front of Cayo Ratones)

4.00 SB NS SBZ-052

1 1 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500) pH (1000)

PRWC47 (In front of Cayo Ratones to Punta Guanajibo)

3.85 SB NS SEG47-01

1 1 5 Onsite Wastewater Systems (6500) pH (1000)

PRWC48 (Punta Guanajibo to Punta Algarrobo)

5.60 SC NS MAC-038, MAC-040



PRWC49 (Punta Algarrobo to Punta Cadena)

6.98 SB NS SEG49-01,

MAC-041, RW-15

1 1 5 Major Municipal Point Sources (0210) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


PRWC50 (Punta Cadena to Punta Higüero)

4.98 SB NS SBZ-054, RW-5,

SBZ-055

1 1 5 Onsite Wastewater Systems (6500) Upstream Impoundment (7350)


PRWC51 (Punta Higüero to Punta del Boquerón)

6.14 SB NS SEG51-01, SEG51-02

RW-22

1 1 5 Onsite Wastewater Systems (6500) Turbidity (2500)

PRWC52 (Punta del Boquerón to Punta Borinquén)

6.80 SB NS MAC-043, SBZ-

002, RW-16, RW-16A




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Waterbody Name

(AU ID)

Size of AU

(miles) Class

Monitoring Station


Data



R1 R2 AL

PRCC53(Culebra Island)

32.70 SB 3 3 5 I Debris and bottom deposits (8520) Hazardous Wastes (6600) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500)

Turbidity (2500)

PRVC54A (Bahía Mosquito)

3.00 SA 3 3 3 I

PRVC54B (Vieques Island)

67.60 SB NS RW-24A, RW-

24B

1 1 2 Debris and bottom deposits (8520) Flow Regulations/Modifications (7400) Hazardous Wastes (6600) Marinas and Recreational Boating (7900) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

PRMC55 (Mona Island)

18.60 SB 3 3 3 I

Note: Bold and Red causes were listed into 2016 Cycle (New added causes). Italicized and black causes were listed into and/or prior to 2016 Cycle. (Old causes)

I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. P - External Data R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life


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PART C. CWA Section 314 (Clean Lakes Program) The Clean Lakes Monitoring Network operated by PREQB monitors the water quality in the 19 major lakes or reservoirs that are mostly used as raw sources of drinking water. These same waters bodies are used for recreational activities, including fishing. Following are the trends analysis of various parameters for each monitored lake (Table 37 thru Table 41). These trends analyses were based on Oficina Panamericana de la Salud e Ingeniería / Centro Panamericano de Ingeniería Sanitaria y Ciencias del Ambiente (OPSI/CEPIS, in spanish) criteria.

Table 37: Trophic Status of Significant Lakes/Reservoirs

Description Number of Lakes/Reservoirs Acres of Lakes/Reservoirs

Total in State 19 7,387.6* Assessed 18 7,333.6**

Oligotrophic 0 0 Mesotrophic 13 4,225.6

Eutrophic 5 3,108.0 * Including Las Curias Lake (SJBES) ** Lago Guineo (54acres) not assess for this cycle

Table 38 shows OPSI/CEPIS numeric criteria for the determination of the trophic status.

Oligotrophic (O) - Low levels of nutrients in lakes, poor primary production and sunlight. Mesotrophic (M) - Moderate levels of nutrients in lakes, primary production and moderate penetration of sunlight. Eutrophic (E) - High levels of nutrients, high primary production, dense aquatic plants growth, low sunlight penetration.

Table 38: OPSI/CEPIS Criteria for the Determination of the Trophic Status

Trophic Status P Concentration (mg/L) Oligotrophic (O) < 0.03 Mesotrophic (M) 0.03 – 0.05

Eutrophic (E) > 0.05 Table 39 shows final Lakes trophic status.

Table 39: Puerto Rico Lakes Trophic Status

Lake AU Trophic Status 1 [P mg/L]2

Oct. 2013 – Sept. 2015 Guajataca PRNL3A1 (0.05) M Dos Bocas PRNL17A1 (0.05) M Caonillas PRNL27C1 (0.06) E Garzas PRNL37A3 (0.05) M

Matrullas PRNL28C1 (0.05) M


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Table 39: Puerto Rico Lakes Trophic Status

Lake AU Trophic Status 1 [P mg/L]2

Oct. 2013 – Sept. 2015 La Plata PREL110A1 (0.08) E Carite PREL210A5 (0.05) M Cidra PREL12A2 (0.05) M Las Curias PREE13A2 (0.05) M Loíza PREL14A1 (0.10) M

Patillas PRSL43A1 (0.06) E Melanía PRSL50A (0.05) M

Guayabal PRSL160A (0.05) M Toa Vaca PRSL260A (0.07) E Cerrillos PRSL62A (0.09) E Luchetti PRSL68A1 (0.05) M

Loco PRSL69A (0.05) M Guayo PRWL83H (0.05) M

(1) LAKES TROPHIC STATUS:

Oligotrophic (O) - Low levels of nutrients in lakes, poor primary production and sunlight. Mesotrophic (M) - Moderate levels of nutrients in lakes, primary production and moderate penetration of sunlight. Eutrophic (E) - High levels of nutrients, high primary production, dense aquatic plants growth, low sunlight penetration.

(2) Phosphorous value corresponds at the average data during two year period and do not represent a violation to the PRWQSR on which is 1 mg/L.


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Table 41: Trends in Significant Public Lakes Category

Parameter Improved (acres)

Degraded (acres)

Stable (acres)

DO 3,144.0 2,220.9 1,989.0 Phosphorous 3,892.6 0 3,441.0

Fecal Coliforms 5,664.6 347.0 1,322.0 Note: These trends analyses were based on OPSI/CEPIS criteria, not on the PRWQSR criteria.

Table 40: Trend Analyses for Selected Parameters in Puerto Rico Lakes

Lakes Lake Size (acres)

DO mg/L

P (Total) mg/L

Fecal Coliforms col/100mL

Caonillas 700 Improved Stable Improved Guayo 285 Degraded Stable Stable Matrullas 77 Stable Improved Improved Guayabal 373 Improved Improved Improved Toa Vaca 836 Stable Stable Improved Luchetti 266 Degraded Improved Improved Loco 69 Improved Improved Stable Patillas 312 Degraded Stable Degraded Las Curias 64.6 Degraded Improved Improved Cidra 268 Stable Improved Stable Cerrillos 700 Stable Improved Stable Loíza 713 Degraded Stable Improved Guajataca 1000 Improved Improved Improved Dos Bocas 634 Improved Improved Improved Carite 333 Improved Improved Improved La Plata 560 Degraded Stable Improved Garzas 108 Stable Improved Improved Melanía 35 Improved Stable Degraded


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PART D: Water Quality New Projects Class SA, SE Waters and Coastal Lagoons Monitoring

The lagoon systems throughout Puerto Rico are threatened by the fast growing human population and housing development that can result in the degradation or destruction of key components of the systems. However, there is very little baseline water quality data to evaluate the ecological health of the systems. It was necessary to begin the collection of water samples for analyses of chemical, physical and bacteriological characteristics to assess the water quality of the lagoon systems. Due to this fact, PREQB decides to develop a separate network for Class SA and Class SE waters. Class SA includes bioluminescent lagoons and bays such as La Parguera and Monsio Jose on the Municipality of Lajas, Bahia Puerto Mosquito in Vieques, and any other coastal or estuarine waters of exceptional quality or high ecological value or recreational which may be designated by the pertinent agency and adopted by the Board through Resolution, requiring this classification for protection of the waters. Rule 1303.2 (A) (2) of the PRWQSR will also apply to the waters 500 meters (0.31 miles) offshore of the physical and geographical limits of the water bodies under this classification. Class SE includes Laguna Tortuguero, Laguna Cartagena and any other surface water body of exceptional quality or high ecological or recreational value which may be designated by the pertinent agency and adopted by the Board, through Resolution requiring this classification for protection of the waters. The lack of baseline water quality data to evaluate the ecological health of this classification, occasioned that it was necessary to begin the collection of water samples for analyses of chemical, physical and bacteriological characteristics to assess the water quality of that waterbodies. In order to begins to collect water quality information regarding the Class SA waters, PREQB, in coordination with USGS has developed a monitoring program for the assessment of 20 coastal lagoons in the main island of Puerto Rico and one in the island of Vieques (including Class SA waters), using the funds available from the 106 monitoring initiatives included in the Performance Partnership Grant (PPG). This study was conducted quarterly during fiscal year 2011-2012. The main objective was to assess the general water quality of the selected lagoons and establish a data base that will be used to evaluate baseline water quality, natural and human pollution induced effects. Findings of this study led lagoons entered into 2014 303(d) List. In order to continue to obtain more information about this type of water, two lagoons of the 20 previously studied were chosen. The project name is Hydrologic and Water Quality Characteristics of Puerto Rico Mosquito Bay, Vieques and Caño Boquerón, Cabo Rojo, Puerto Rico, 2015-2016. The objective of the project is to determine hydrologic and water quality characteristics at two selected coastal lagoons: Bahía Puerto Mosquito in Vieques and Caño Boquerón in Cabo Rojo, Puerto Rico and emphasize their importance in terms of their organic matter production and carbon sequestration the implications on the natural food chain, and their role in coastal carbon cycles. The results of this study will provide a better understanding of the principal mechanisms important in the hydrology and water quality of these lagoons and, if necessary, what remedial actions are needed to improve their ecological health.


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The study encompasses the west coast of Puerto Rico as well as the Island of Vieques. Data collection includes monthly measurements at five stations in each lagoon of physical, chemical, biological, and bacteriological parameters to define their temporal and spatial variability during one year. The study includes two diel studies to determine community productivity rates, diurnal variation of selected water-quality characteristics, bathymetry and water exchange of the lagoon with the ocean through their inlet/outlet channels. In addition, sediment cores will be collected to determine depositional rates at these lagoons. The study began in July 2015 and will be completed by September 2016. Funds for this study were available from Water Quality Management Planning 604(b) Federal Grant.

Phosphorus and Nitrogen In 1994, the USEPA established the National Nutrient Criteria Program. The goal of this program is to reduce eutrophication by developing guidelines for the establishment of numeric nutrient criteria at a state (tribal) level. The criteria, which represent conditions of water minimally impacted by human activities, will enable regulatory agencies to identify, prioritize and restore nutrient impaired waters. The development of the Puerto Rico Nutrient Standard Plan (PRNSP) describes the approach to addressing nutrient over-enrichment, along with the plan to refine its current nutrient criteria in response to the USEPA requirements that states/territories adopt nutrient criteria for their waterbodies. On August 19, 2014, PREQB amended the Puerto Rico Water Quality Standard Regulation to incorporate the new standards for Total Phosphorus and Total Nitrogen applicable to the rivers and streams of PR. Actually, PREQB is in the process of complete the development and adoption of the numeric nutrient criteria (TP and TN) for lakes/reservoirs. However, in addition to those AU identified the following AU will be included as part of the priority watersheds for the parameter of Total Phosphorus: Puerto Rico has existing numeric ambient water quality standards for total phosphorus and total nitrogen established for Class SD (2014 PRWQSR) as follows:

Total Phosphorus (TP) shall not exceed 160 µg/L in any river or stream nor exceed 1,000 µg/L in any reservoir or lake. The current PREQB water quality criterion for total phosphorus (TP) corresponds to the maximum discharge concentration allowed to point sources by USEPA.

Total Nitrogen (TN) shall not exceed 1,700 µg/L in any river or stream. The sum of total kjeldahl nitrogen (ammonia, organic and reduces nitrogen) and nitrate-nitrite. It can be derived by monitoring for organic nitrogen compounds, free ammonia and nitrate-nitrite individually and adding the components together.

The Table 42 summarizes the AU that exceeds the standard for total phosphorus and/or total nitrogen.


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Table 42: Assessment Units that exceeds Total Phosphorus and Total Nitrogen water quality standard

Waterbody Name (AU ID)

Size (miles)

Total Phosphorus (mg/L)

Total Nitrogen (mg/L)


9.9 No exceed Exceed


22.0 Exceed Exceed

RIO GRANDE DE MANATI PRNR8A1 31.0 Exceed No exceed

RIO GRANDE DE MANATI PRNR8A2 38.1 Exceed No exceed

RIO CIALITO PRNR8B 25.8 Exceed Exceed

RIO OROCOVIS PRNR8E1 19.8 Exceed No exceed

RIO CIBUCO PRNR9A 31.1 No exceed Exceed

RIO DE LA PLATA PRER10A1 21.0 No exceed Exceed


55.7 Exceed No exceed



RIO DE LA PLATA PRER10A5 92.7 Exceed No exceed

RIO GUADIANA PRER10E 21.8 Exceed Exceed

RIO ARROYATA PRER10G




RIO GUAYNABO PRER12B 50.7 Exceed Exceed

RIO GRANDE DE LOIZA PRER14A1 31.0 Exceed No exceed

RIO GRANDE DE LOIZA PRER14A2 86.6 Exceed Exceed

RIO GURABO PRER14G1 124.3 Exceed No exceed

RIO VALENCIANO PRER14G2 42.8 Exceed Exceed

RIO BAIROA PRER14H 16.3 Exceed Exceed

RIO CAGUITAS PRER14I 33.9 Exceed Exceed

RIO CAYAGUAS PRER14K 38.5 Exceed No exceed

RIO FAJARDO PRER22A 59.0 Exceed Exceed

RIO HUMACAO PRER33A 55.8 Exceed No exceed

RIO MAUNABO PRER37A 36.0 Exceed Exceed

RIO CHICO 14.6 Exceed No exceed


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Table 42: Assessment Units that exceeds Total Phosphorus and Total Nitrogen water quality standard Waterbody Name

(AU ID) Size

(miles) Total Phosphorus

(mg/L) Total Nitrogen

(mg/L) PRSR42A RIO COAMO PRSR57A2 59.0 No exceed Exceed

RIO GUAYANILLA PRSR67A 60.0 Exceed Exceed

RIO YAUCO PRSR68A1 61.4 Exceed No exceed

RIO GUANAJIBO PRWR77A 119.3 Exceed No exceed

RIO VIEJO PRWR77D 21.1 Exceed No exceed

RIO GRANDE DE AÑASCO PRWR83A 126.0 Exceed No exceed

Wetlands Public policy on wetlands in PR, defines wetlands as those saturated by surface and groundwater systems, in an interval and duration, sufficient to support vegetation typically adapted to saturated soil conditions, flooding or engulf. For the protection of wetlands, there are no specific parameters of water quality, however in the PRWQSR, as amendment in August 19, 2014, in order to be consistent with the anti-degradation policy, classification SE of waters: “surface water and wetlands with exceptional ecological value, which existing features cannot be altered in order to preserve existing natural phenomena”. No parameters for this classification may exceed water quality standard, for which reason; this provision provides the mechanism to protect wetland areas. In PR the protection and conservation of wetlands is the result of the efforts of several local and federal agencies, namely DRNA, PREQB, Corps of Engineers (COE), United States Fish and Wildlife Service (USFWS) and the USEPA, as well as, community groups and environmental organizations. Wetlands are the coastal ecosystems that are most abundant in PR. Examples of estuarine wetlands are those close to coastal rivers, salt flats and mangroves. The freshwater wetlands, comprises about of 24% of the total area of wetlands. Freshwater wetlands include swamps, ponds, marshes and humid grasslands. (Figure 27 ). Other wetlands categories comprise 11% of the total area of wetlands. Estuarine and freshwater wetlands are most abundant in the eastern, 2/3 of the north coast of the island, and all along the south coast, although examples are found on all coasts of the main island Vieques and Culebra have no freshwater wetlands, (Figure 28). The estuarine wetlands comprise about of 65% of the total area of wetlands. Examples of estuarine wetlands are those close to coastal rivers, salt flats and mangroves. Other wetlands categories comprise 11% of the total area of wetlands. Wetlands provide habitat for thousands of species of fish, wildlife and plants, and act as nurseries for many saltwater and freshwater fishes and shellfish of commercial significance. They also provide important ecological services such as flood control, water filtration and the supply of groundwater, and they provide recreational and wildlife viewing opportunities for millions of people. Wetlands are facing numerous, ongoing challenges, such as agriculture, development and


- 192 -

resource extraction, as well as sea level rise, increasing storm severity and drought due to climate change. The factors that most influence coastal wetlands are: drainage, channelization and filling, disposal of industrial, agricultural and domestic waste, civil constructions, tourism expansion, storms and hurricanes, global climate change. The value of wetlands in PR for the wildlife is well documented. For example, the salt flats of Cabo Rojo, on the southwest coast, provide areas for rest and feeding of hundreds of migratory birds en route between North and South America. This area is one of the most valuable wetlands of the island. Before the drainage of coastal wetlands for agricultural purposes, freshwater marshes such as the Laguna Cartagena, Guánica Lagoon and swamp supplied water-logged habitat for hundreds of species of resident and migratory birds. The wetlands of the highlands of central area are the last refuge of the Puerto Rican parrot, an endangered species. Even wetlands of metropolitan San Juan (Laguna La Torrecilla, Torrecilla Baja, Laguna de Piñones to Vacía Talega) provide excellent habitats for wildlife, fish hatcheries maintain high economic value and provide recreational and educational opportunities to population. Thirty-eight species of vertebrates, mollusks and crustaceans and 46 species of birds, some rare or endangered species, such as the ladybug, the gannet, the Dominican duck, duck and pigeon-headed Warbler have been seen in these areas. Beaches, also associated with these urban wetlands provide nesting sites for Hawksbill turtles and leatherback shell, both endangered species (Del Llano et al, 1986). In PR, each acre impacted is mitigated by 0.79 acres instead of 1.01 acres as required by public policy of zero losses; indeed, the practice adopted by proponents of creating wetlands followed by the improvement, restoration and preservation, represents a threat to these systems by the time it takes to reach its former productivity and functionality (Perez, 2003). On May 1, 2014 the U.S. Fish and Wildlife Service announce the completion of the most comprehensive and detailed U.S. wetland data set ever produced, capping a 35-year effort by the Service to map the extent of the nation’s wetlands. The Wetlands Inventory Mapper has digitally mapped and made publically available wetlands in the lower 48 states, including Puerto Rico. It is an invaluable aid to landowners, developers, government planners and permitting authorities, conservation organizations and academic institutions in their collective efforts to ensure wetland conservation and inform economic development.


- 193 -

Figure 27: Puerto Rico Wetlands Type

Figure 28: Puerto Rico Wetlands Distribution


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Coral Reef Ecosystem Coral reefs are the most productive ecosystems in the marine environment. They are closely related to other terrestrial and marine ecosystems. Some of these associated ecosystems are coastal wetlands, which include the mangroves, marine wetlands, such as seagrasses, beaches among others. Coral reefs provide an extraordinary amount of goods and services, such as: protection of the coast, habitats for fishing craft, commercial and recreational fishing, spaces for education, research, recreation and tourism, food (Alvarez-Filip L., 2009; Barbier, E.B., 2011; Kennedy, E.V et al., 2013; Ferrario, F., et al. 2014). Furthermore, are a sources of natural products of high pharmacological value in the food production and in the biomedical investigation (Goenaga and Boulon, 1992). However, the coral reefs in Puerto Rico are significantly degraded due to a variety of anthropogenic factors that exacerbate the impacts of natural factors (e.g. hurricanes, diseases, syndromes in corals) (Hernandez-Delgado, 2005). The anthropogenic factor that could affect the coral reef ecosystem are the following: deforestation, erosion and sedimentation. The deterioration of the water quality mainly associated with a combination of precise and dispersed sources of pollution. Indiscriminate extraction and overfishing, could destabilize the ecosystem. Puerto Rico is surrounded by approximately 500,000 hectares of coral reef ecosystems of easy access, whose depth does not exceed 20 meters (PMZC, 2009). The biodiversity at the coral reefs of Puerto Rico is representative of this region of the Caribbean. The most extensive development of coral reefs is observed in the Southwest and northeast of the insular shelf of Puerto Rico. The northeast coast, is partially protected from wave action by a string of emerging reefs that provide protection, (DNER-PMZC 2011). The natural reserve, in Fajardo and La Reserve Natural of Luis Peña Channel in Culebra contain the most diverse coral reefs in this region. (Hernández - Delgado E.A. 2005; Schärer-M.T., M.I. Németh, C. ten 2009; García - Sais, et al.2008a). The importance of coral reefs and their status in Puerto Rico is not different to what happens elsewhere. Coral reefs, according to the Management Plan for the Conservation and Protection of Coral Reefs of Puerto Rico of 2009, present conditions of lower coral cover, increased disease, significant algal colonization of all kinds, species invasion exotic and overall loss of biodiversity in the ecosystem (Strategic Management Plan of The Coral Reefs in PR, DNER, 2014). In Puerto Rico the Law 147, Ley para la Protección, Conservación y Manejo de los Arrecifes de Coral en PR, empower the Secretary of the DNER to develop a conservation program, management and protection of coral reefs, and it promotes the development of a sustainable management plan. The act defines a coral reef as the ecosystem of coral, skeleton of this and other marine species associated with the same, such as seagrass and marine herbs. The DNER in collaboration with NOAA developed a Benthic Habitat of Puerto Rico and the U.S. Virgin Island (Figure 29). These images were used to create maps of the region’s coral reefs, seagrass beds, mangrove forests, and other important marine habitats that are related with the coral reef ecosystem. (See Figure 29 thru Figure 32).


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Figure 29: Benthic Habitats of Puerto Rico and the U.S. Virgin Islands

On the other hand, the PREQB are conducting inspections at diferent basin through all PR with the purpose of maintain an inventories of the discharging of points and non points sources of contamination. These inspections are intended to identify all possible sources of contamination and lead to fulfillment the facilities that represent potential sources of pollution. These action improve the water quality of the water body and will protect the marine ecosystems included the coral reef ecosystem. Other important initiative is the participation in different meeting to discuss the matters related to the coral reef ecosystem. The PREQB participated in the 3er Coral Biological Condition Gradient (BCG) Expert Workshop was conducted during October 13, 14 and 15, 2015. The EPA experts pointed that the BCG can be used to interpret biological responses from the cumulative effects of stressors and measure changes in biological condition. In conjunction with other biological indicators and assessment methods, this tool can also be used to help identify high quality waters, track improvements in degraded waters, and develop numeric biological criteria. Furthermore, the PREQB, participated in the meeting of the Caribbean Coral Reef Partnership was conducted on October 27, 2015 which they discussed issues such as trash fee waters and among other topics of great current interest. With this effort, local and federal agencies work together to start the first steps to establish bio-indicators that help protect marine ecosystem. Also, with this initiative, the agencies designed first efforts to establish standards at the regional level with a focus on the Caribbean ecosystems.


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Figure 30: Example of one tile of the Benthic Map and the habitat classification

Figure 31: Benthic Habitats of PR and the Location of the PREQB Beach Monitoring

Station


- 197 -

Figure 32: Benthic Habitats of PR and the Location of the PREQB Coastal Monitoring

Station


- 198 -

PART E. 303(d) List

Listing Criteria The Puerto Rico 2016 List of Impaired Waters (303(d) List) is based on the water quality data generated through the water quality monitoring networks, as explain in Section 2.0 Monitoring Program. In the case of the 2016 303(d) List, we considered the most recent available water quality data for each parameter in each AU (October 1, 2013 to September 30, 2015). In this assessment, the AU will be assessed as establish in Section V. Five – Part Categorization of Water of the Guidance for 2006 Assessment, Listing and Reporting Requirements Pursuant to Sections 303(d), 305(b) and 314 of Clean Water Act.

A segment (AU) is considered impaired when WQS are not being supported and/ or met, and is considered threatened when WQS are not expected to be fully to be fully supported and/ or met in the next listing cycle. In classifying the status of water quality in 2006, states have the option to report each AU in one or more categories (multiple categories option). PREQB 303 (d) List is composed of AU with permanent monitoring stations and AU that have been monitored by special studies or synoptic studies (not permanent monitoring stations). In the case of AU with permanent monitoring station when the parameter comes into compliance is removed from the list and no longer appear in the column of assessment cycles, unless the parameter is not in compliance. In the case where the monitoring stations are not permanent, the parameter remain on the list in the assessment cycle where it was impaired for the first time, until another monitoring station can be establish on the AU, indicating whether or not the parameter is in compliance.”

The waters considered to be impaired have been included in Category 5 and is necessary develop and implement TMDL for the parameter not in compliance. In the case of basins for which TMDLs have been developed, the AU will continue to be listed for those parameters that were not addressed in the TMDL. Those parameters addressed in the TMDL are delisted from the respective AU. If any of the parameters listed in the 2014 cycle exceed the applicable water standard at least once in 2016 Cycle, the parameter continued to appear as an impairment cause and the AU continued to be listed in Category 5. The 303(d) List 2016 will be included in the Appendix I of the Integrated Report. Delisting Criteria

If a previously listed parameter complied fully with the applicable water quality standard during the 2014 (October 1, 2011 to September 30, 2013) and 2016 (October 1, 2013 to September 30, 2015) cycles, that specific parameter will be delisted from 303(d) List.

PREQB will remove a specific parameter from the list when the TMDL for the corresponding AU has been approved by USEPA. Among other valid delisting reasons are: change in water quality standard, original basis for listing was incorrect, hydrological and habitat alteration (4c).


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During this cycle it is proposed to remove one hundred eighty-one (181) parameter / assessment units combination from the 303(d) List. (See Table 43).

Table 43: Parameter/Assessment Units Combinations to be delisted AU ID Type of water Parameter Reason for delisting

PRNR3A1 River Cyanide * Water Quality Standard met PRNR3A2 River Cyanide * Water Quality Standard met PRNR7A1 River Copper Water Quality Standard met PRNR7A2 River Cyanide * Water Quality Standard met PRNR7A3 River Cyanide * Water Quality Standard met PRNR7B2 River Cyanide * Water Quality Standard met PRNR7C1 River Arsenic Water Quality Standard met PRNR7C1 River Cyanide * Water Quality Standard met PRNR8A1 River Cyanide * Water Quality Standard met PRNR8A1 River Copper Water Quality Standard met PRNR8A2 River Cyanide * Water Quality Standard met PRNR8A3 River Surfactants Water Quality Standard met PRNR8A3 River Cyanide * Water Quality Standard met PRNR8A3 River Arsenic Water Quality Standard met PRNR8B River Cyanide * Water Quality Standard met

PRNR8C1 River Turbidity Water Quality Standard met PRNR8C1 River Arsenic Water Quality Standard met PRNR8C1 River Copper Water Quality Standard met PRNR8C1 River Cyanide * Water Quality Standard met PRN8C2 River Arsenic Water Quality Standard met PRNR8D River Arsenic Water Quality Standard met PRNR8D River Copper Water Quality Standard met PRNR8D River Turbidity Water Quality Standard met PRNR8E1 River Cyanide * Water Quality Standard met PRNR8E2 River Arsenic Water Quality Standard met PRNR8E2 River Turbidity Water Quality Standard met PRNR9A River Cyanide * Water Quality Standard met PRNR9B1 River Low Dissolved

Oxygen Water Quality Standard met

PRNR9B1 River Cyanide * Water Quality Standard met PRNR9B1 River Turbidity Water Quality Standard met PRNR9B1 River Surfactants Water Quality Standard met PRNR9B1 River Arsenic Water Quality Standard met PRNR9B1 River Copper Water Quality Standard met PRNR9D River Surfactants Water Quality Standard met PRNR9D River Arsenic Water Quality Standard met PRNR9D River Cyanide * Water Quality Standard met

PRER10A1 River Turbidity Water Quality Standard met PRER10A1 River Cyanide * Water Quality Standard met


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PRER10A3 River Low Dissolved Oxygen

Water Quality Standard met

PRER10A4 River Cyanide * Water Quality Standard met PRER10A5 River Arsenic Water Quality Standard met PRER10A5 River Surfactants Water Quality Standard met PRER10A5 River Cyanide * Water Quality Standard met PRER10B River Arsenic Water Quality Standard met PRER10B River Cyanide * Water Quality Standard met PRER10C River Arsenic Water Quality Standard met PRER10C River Surfactants Water Quality Standard met PRER10C River Cyanide * Water Quality Standard met PRER10C River Low Dissolved


PRER10E River Cyanide * Water Quality Standard met PRER10G River pH Water Quality Standard met PRER10J River Arsenic Water Quality Standard met PRER10J River Surfactants Water Quality Standard met PRER10J River Turbidity Water Quality Standard met PRER10J River Copper Water Quality Standard met PRER10J River Low Dissolved


PRER10J River Cyanide * Water Quality Standard met PRER11A River Arsenic Water Quality Standard met PRER11A River Turbidity Water Quality Standard met PRER11A River Selenuim Water Quality Standard met

PRER12A2 River Cyanide * Water Quality Standard met PRER12B River Cyanide * Water Quality Standard met

PRER14A1 River Cyanide * Water Quality Standard met PRER14A2 River Turbidity Water Quality Standard met PRER14A2 River Cyanide * Water Quality Standard met PRER14B River Arsenic Water Quality Standard met PRER14B River Cyanide* Water Quality Standard met PRER14C River Arsenic Water Quality Standard met PRER14C River Cyanide* Water Quality Standard met PREQ14D River Arsenic Water Quality Standard met PREQ14D River Cyanide* Water Quality Standard met PREQ14E River Arsenic Water Quality Standard met PREQ14E River Cyanide* Water Quality Standard met PREQ14E River Surfactants Water Quality Standard met PRER14F River Arsenic Water Quality Standard met PRER14F River Cyanide* Water Quality Standard met

PRER14G1 River Cyanide * Water Quality Standard met PRER14G2 River Surfactants Water Quality Standard met


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PRER14G2 River Arsenic Water Quality Standard met PRER14G2 River Cyanide * Water Quality Standard met PRER14J River Surfactants Water Quality Standard met PRER14J River Arsenic Water Quality Standard met PRER14K River Surfactants Water Quality Standard met PRER14K River Arsenic Water Quality Standard met PRER14K River Copper Water Quality Standard met PRER14K River Lead Water Quality Standard met PRER14K River Cyanide * Water Quality Standard met PRER14K River Turbidity Water Quality Standard met PRER14L River Arsenic Water Quality Standard met PRER14L River Surfactants Water Quality Standard met PRER15A River Surfactants Water Quality Standard met PRER16A River Copper Water Quality Standard met PRER16A River Lead Water Quality Standard met PRER16A River Low Dissolved


PRER16A River pH Water Quality Standard met PRER16A River Surfactants Water Quality Standard met PRER16A River Turbidity Water Quality Standard met PRER16A River Cyanide * Water Quality Standard met PRER17A River Low Dissolved


PRER17A River pH Water Quality Standard met PRER22A River Cadmium Water Quality Standard met PRER22A River Lead Water Quality Standard met PRER22A River Mercury Water Quality Standard met PRER23A River Surfactants Water Quality Standard met PRER26A River Surfactants Water Quality Standard met PRER31A River Surfactants Water Quality Standard met PRER33A River Cyanide * Water Quality Standard met PRER35A River Cyanide * Water Quality Standard met PRER35A River Surfactants Water Quality Standard met PRER35A River Thermal

Modification Water Quality Standard met

PRER37A River Cyanide * Water Quality Standard met PRSR42A River Arsenic Water Quality Standard met PRSR42A River Lead Water Quality Standard met

PRSR43A2 River Cyanide * Water Quality Standard met PRSQ50A River Surfactants Water Quality Standard met PRSQ53A River Nitrate + Nitrite Change in water quality standard (Note

1) PRSQ53A River Total Coliforms Water Quality Standard met PRSR57A2 River Thermal



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PRSR57A2 River Cyanide * Water Quality Standard met PRSR57B River Arsenic Water Quality Standard met PRSR57B River Cyanide * Water Quality Standard met PRSR57B River Thermal


PRSR57B River Turbidity Water Quality Standard met PRSR62A1 River Cyanide * Water Quality Standard met PRSR63A River Cyanide * Water Quality Standard met PRSR63A River Total Coliforms Water Quality Standard met PRSR67A River Cyanide * Water Quality Standard met

PRSR68A1 River Turbidity Water Quality Standard met PRSR69A1 River Arsenic Water Quality Standard met PRSR69A1 River Cyanide * Water Quality Standard met PRSR69A1 River Lead Water Quality Standard met PRWR77A River Low Dissolved


PRWR77A River Cyanide * Water Quality Standard met PRWR77C River Cyanide * Water Quality Standard met PRWR77E River Cyanide * Water Quality Standard met PRWR79A River Copper Water Quality Standard met PRWR79A River Lead Water Quality Standard met PRWR79A River Cyanide * Water Quality Standard met PRWR79A River Mercury Water Quality Standard met PRWR83A River Low Dissolved


PRWR83A River Cyanide * Water Quality Standard met PRWR83C River Cyanide * Water Quality Standard met PRWR83C River Low Dissolved


PRWR83C River Lead Water Quality Standard met PRWR83C River Surfactants Water Quality Standard met PRWR83C River Turbidity Water Quality Standard met PRWR83D River Cyanide * Water Quality Standard met PRWR83D River Lead Water Quality Standard met PRWR83D River Low Dissolved


PRWR83D River Copper Water Quality Standard met PRWR83D River Cadmium Water Quality Standard met PRWR83H River Cyanide * Water Quality Standard met PRWR83I River Cyanide * Water Quality Standard met PRWR83I River Turbidity Water Quality Standard met PRWR94A River Low Dissolved


PRWR94A River Surfactants Water Quality Standard met


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PRWR94A River Phosphorus Water Quality Standard met PRWR95A River Lead Water Quality Standard met PRWR95A River Surfactants Water Quality Standard met PRWR95A River Total Coliform Water Quality Standard met PRWR95A River Cyanide * Water Quality Standard met PRWR95B River Cyanide * Water Quality Standard met PRWR95B River Turbidity Water Quality Standard met PRWQ95H River Cyanide * Water Quality Standard met PRWQ95I River Cyanide * Water Quality Standard met PRWR95J River Cyanide * Water Quality Standard met PRSE64A Estuary Fecal Coliforms TMDL approved PRWE78A Estuary Low Dissolved


PRWE94A Estuary Fecal Coliforms TMDL approved PREL210A5 Lake pH Water Quality Standard met PREL14A1 Lake Fecal Coliforms TMDL approved PRSL68A1 Lake pH Water Quality Standard met PRSL68A1 Lake Fecal Coliforms TMDL approved PRSL69A Lake Fecal Coliforms TMDL approved

PREE13A2 SJBEP Copper Water Quality Standard met PREE13A2 SJBEP Surfactants Water Quality Standard met PREE13A2 SJBEP Cyanide * Water Quality Standard met PREE13A2 SJBEP Lead Water Quality Standard met PREE13A2 SJBEP Nitrate + Nitrite Change in water quality standard (Note

1) PREE13A3 SJBEP Cyanide * Water Quality Standard met PREE13A3 SJBEP Cadmium Water Quality Standard met

* Cyanide is to be removed from 303(d) List using the Free Cyanide Data that meet two consecutive cycle, this as agreed with EPA Note 1: According to the PRWQSR (August 2014) the Nitrate-Nitrite water quality standard applicable for SD waters only applied to any lakes or reservoir (see note # included in the table in Rule 1303.1.I.1 of the PRWQSR) Priority Ranking and TMDL Development Status In October of 1998, the PREQB in collaboration with the Natural Resources Conservation Service (NRCS) and USEPA developed the document Puerto Rico Unified Watershed Assessment and Restoration Activities (PRUWARA). As a result of this initiative, eighteen (18) main basins (115 AUs) were identified as high priority where the PREQB would implement restoration activities. The criteria used to establish the priority ranking and selection of basins appear in the document PRUWARA. Table 44 identified the basins according to the corresponding regions.

Table 44: Priority Basins

Basin Region AU per Basin Quebrada Blasina East 1

Río Bayamón East 5


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Table 44: Priority Basins Basin Region AU per Basin

Río Blanco East 2 Río Grande de Loíza East 15

Río Hondo East 1 Río La Plata East 18 Río Piedras East 1

Río Cibuco North 6

Río Grande de Arecibo North 12 Río Grande de Manatí North 11

Río Guajataca North 4

Río Coamo South 3 Río Grande de Patillas South 4

Río Guayanilla South 1

Río Culebrinas West 11

Río Grande de Añasco West 10 Río Guanajibo West 9

Río Yagüez West 1

In 2002 303 (d) List, the PREQB established a priority ranking to determine the sequence of development for restoration activities, including the development and implementation of the TMDL. This priority ranking considered the priority of basins restoration and established three levels of priority:

High Priority: basins including in the PRUWARA as basins of priority due to the high

pollution level related to all the designated uses.

Intermediate Priority: basins that were not including in the PRUWARA and have 50% or more of its waters as impaired for some designated use.

Low Priority: basins that were not including in the PRUWARA and have less than 50% of its waters as impaired for some designated use.

In determining the priority for the development of TMDL for listings parameters watersheds ranking priorities and changes in regulations applicable to water quality standards are taken into consideration. For the 2016 cycle, ninety-two (92) AU / parameter are evaluated as a high priority for the development of the TMDL (See Table 45).

Table 45: Assessment Units/ Parameter Combination with high priority to development of TMDL, next two

years

Basin Waterbody Name Assessment Unit ID Parameter Priority

1. Río Guajataca Rio Guajataca PRNR3A1 Fecal Coliforms (1700) H 2. Río Guajataca Rio Guajataca PRNR3A1 Total Nitrogen (0920) H


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Table 45: Assessment Units/ Parameter Combination with high priority to development of TMDL, next two years


3. Río Guajataca Rio Guajataca PRNR3A1 Low Dissolved Oxygen (1200) H 4. Río Guajataca Rio Guajataca PRNR3A2 Total Phosphorus (0910) H 5. Río Guajataca Rio Guajataca PRNR3A2 Total Nitrogen (0920) H 6. Río Grande de Arecibo Rio Grande de Arecibo PRNR7A1 Copper (0530) H 7. Río Grande de Arecibo Rio Grande de Arecibo PRNR7A1 Low Dissolved Oxygen (1200) H 8. Río Grande de Arecibo Rio Grande de Arecibo PRNR7A2 Total Coliforms (1700) H 9. Río Grande de Arecibo Rio Grande de Arecibo PRNR7A2 Copper (0530) H 10. Río Grande de Arecibo Rio Grande de Arecibo PRNR7A2 Lead (0550) H 11. Río Grande de Manatí Río Grande de Manatí PRNR8A1 Total Phosphorus (0910) H 12. Río Grande de Manatí Río Grande de Manatí PRNR8A2 Total Phosphorus (0910) H 13. Río Grande de Manatí Río Grande de Manatí PRNR8A3 Copper (0530) H 14. Río Grande de Manatí Río Grande de Manatí PRNR8B Total Coliforms (1700) H 15. Río Grande de Manatí Río Grande de Manatí PRNR8B Total Phosphorus (0910) H 16. Río Grande de Manatí Río Grande de Manatí PRNR8B Total Nitrogen (0920) H 17. Río Grande de Manatí Rio Bauta PRNR8C2 Copper (0530) H 18. Río Grande de Manatí Rio Orocovis PRNR8E1 Total Phosphorus (0910) H 19. Río Grande de Manatí Rio Botijas PRNR8E2 Low Dissolved Oxygen (1200) H 20. Río Cibuco Rio Cibuco PRNR9A Total Coliforms (1700) H 21. Río Cibuco Rio Cibuco PRNR9A Total Nitrogen (0920) H 22. Río Cibuco Rio Morovis PRNR9B2 Low Dissolved Oxygen (1200) H 23. Río de La Plata Río de La Plata PRER10A1 Total Nitrogen (0920) H 24. Río de La Plata Río de La Plata PRER10A1 Low Dissolved Oxygen (1200) H 25. Río de La Plata Río de La Plata PRER10A3 Total Phosphorus (0910) H 26. Río de La Plata Río de La Plata PRER10A4 Total Phosphorus (0910) H 27. Río de La Plata Río de La Plata PRER10A5 Copper (0530) H 28. Río de La Plata Río de La Plata PRER10A5 Lead (0550) H 29. Río de La Plata Río de La Plata PRER10A5 Mercury (0560) H 30. Río de La Plata Río de La Plata PRER10A5 Total Phosphorus (0910) H 31. Río de La Plata Rio Lajas PRER10B Low Dissolved Oxygen (1200) H 32. Río de La Plata Rio Guadiana PRER10E Total Coliforms (1700) H 33. Río de La Plata Rio Guadiana PRER10E Total Phosphorus (0910) H 34. Río de La Plata Rio Guadiana PRER10E Total Nitrogen (0920) H 35. Río de La Plata Rio Arroyata PRER10G Total Phosphorus (0910) H 36. Río Hondo Rio Hondo PRER11A Total Coliforms (1700) H 37. Río Hondo Rio Hondo PRER11A Low Dissolved Oxygen (1200) H 38. Río Bayamón Río Bayamón PRER12A1 Copper (0530) H 39. Río Bayamón Río Bayamón PRER12A1 Total Coliforms (1700) H 40. Río Bayamón Río Bayamón PRER12A1 Total Phosphorus (0910) H 41. Río Bayamón Rio Guaynabo PRER12B Total Coliforms (1700) H 42. Río Bayamón Rio Guaynabo PRER12B Total Phosphorus (0910) H 43. Rio Bayamón Rio Guaynabo PRER12B Lead (0550) H 44. Río Bayamón Rio Guaynabo PRER12B Total Nitrogen (0920) H 45. Río Bayamón Rio Guaynabo PRER12B Copper (0530) H 46. Río Grande de Loiza Rio Grande de Loiza PRER14A1 Copper (0530) H 47. Río Grande de Loiza Rio Grande de Loiza PRER14A1 Total Phosphorus (0910) H


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Table 45: Assessment Units/ Parameter Combination with high priority to development of TMDL, next two years


48. Río Grande de Loiza Rio Grande de Loiza PRER14A1 Low Dissolved Oxygen (1200) H 49. Río Grande de Loiza Rio Grande de Loiza PRER14A2 Total Phosphorus (0910) H 50. Río Grande de Loiza Rio Grande de Loiza PRER14A2 Surfactants (0400) H 51. Río Grande de Loiza Rio Grande de Loiza PRER14A2 Total Coliforms (1700) H 52. Río Grande de Loiza Rio Grande de Loiza PRER14A2 Total Nitrogen (0920) H 53. Río Grande de Loiza Rio Canóvanas PRER14B Total Coliforms (1700) H 54. Río Grande de Loiza Rio Canóvanas PRER14B Low Dissolved Oxygen (1200) H 55. Río Grande de Loiza Rio Canovanillas PRER14C Total Coliforms (1700) H 56. Río Grande de Loiza Rio Canovanillas PRER14C Low Dissolved Oxygen (1200) H 57. Río Grande de Loiza Quebrada Maracuto PREQ14D Low Dissolved Oxygen (1200) H 58. Río Grande de Loiza Quebrada Grande PREQ14E Low Dissolved Oxygen (1200) H 59. Río Grande de Loiza Rio Cañas PRER14F Low Dissolved Oxygen (1200) H 60. Río Grande de Loiza Rio Gurabo PRER14G1 Total Coliforms (1700) H 61. Río Grande de Loiza Rio Gurabo PRER14G1 Copper (0530) H 62. Río Grande de Loiza Rio Gurabo PRER14G1 Total Phosphorus (0910) H 63. Río Grande de Loiza Rio Valenciano PRER14G2 Copper (0530) H 64. Río Grande de Loiza Rio Valenciano PRER14G2 Lead (0550) H 65. Río Grande de Loiza Rio Valenciano PRER14G2 Total Phosphorus (0910) H 66. Río Grande de Loiza Rio Valenciano PRER14G2 Total Nitrogen (0910) H 67. Río Grande de Loiza Rio Bairoa PRER14H Total Coliforms (1700) H 68. Río Grande de Loiza Rio Bairoa PRER14H Total Phosphorus (0910) H 69. Río Grande de Loiza Rio Bairoa PRER14H Total Nitrogen (0920) H 70. Río Grande de Loiza Rio Cagṻitas PRER14I Total Coliforms (1700) H 71. Río Grande de Loiza Rio Cagṻitas PRER14I Total Phosphorus (0910) H 72. Río Grande de Loiza Rio Cagṻitas PRER14I Total Nitrogen (0920) H 73. Río Grande de Loiza Rio Turabo PRER14J Copper (0530) H 74. Río Grande de Loiza Rio Turabo PRER14J Total Coliforms (1700) H 75. Río Grande de Loiza Rio Cayaguas PRER14K Total Phosphorus (0910) H 76. Río Coamo Rio Coamo PRSR57A2 Total Nitrogen (0920) H 77. Río Coamo Rio Coamo PRSR57A2 Low Dissolved Oxygen (1200) H 78. Río Coamo Rio Cuyón PRSR57B Low Dissolved Oxygen (1200) H 79. Río Guayanilla Rio Guayanilla PRSR67A Total Phosphorus (0910) H 80. Río Guayanilla Rio Guayanilla PRSR67A Total Nitrogen (0920) H 81. Río Guayanilla Rio Guayanilla PRSR67A Low Dissolved Oxygen (1200) H 82. Río Guanajibo Rio Guanajibo PRWR77A Total Coliforms (1700) H 83. Río Guanajibo Rio Guanajibo PRWR77A Total Phosphorus (0910) H 84. Río Guanajibo Rio Guanajibo PRWR77D Total Phosphorus (0910) H 85. Río Guanajibo Rio Guanajibo PRWR77D Low Dissolved Oxygen (1200) H 86. Río Yagüez Rio Yagüez PRWR79A Total Coliforms (1700) H 87. Río Grande de Añasco Rio Grande de Añasco PRWR83A Total Phosphorus (0910) H 88. Río Grande de Añasco Rio Grande de Añasco PRWR83A Copper (0530) H 89. Río Culebrinas Rio Culebrinas PRWR95A Copper (0530) H 90. Río Culebrinas Quebrada La Salle PRWQ95F Low Dissolved Oxygen (1200) H 91. Río Culebrinas Quebrada El Salto PRWQ95G Low Dissolved Oxygen (1200) H 92. Río Culebrinas Quebrada Salada PRWQ95I Low Dissolved Oxygen (1200) H


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According, to the priority ranking established the PREQB in collaboration with USEPA and other federal and state agencies worked together in order to develop and implement the TMDL for watersheds mentioned in Table 46.

Table 46: TMDL Development Status

AU/Pollutant AU ID Project Status Projected TMDL Submittal Date

1. Rio Bairoa/Total Phosphorus PRER14H Draft FY-2016 2. Rio Bairoa/Total Nitrogen PRER14H Draft FY-2016 3. Rio Guayanilla/Total Phosphorus PRSR67A Draft FY-2016 4. Rio Guayanilla/Total Nitrogen PRSR67A Draft FY-2016 5. Rio Yauco/Total Phosphorus PRSR68A1 Draft FY-2016 6. Rio Yauco/Total Nitrogen PRSR68A1 Draft FY-2016 7. Rio Guayabo/Total Phosphorus PRWR94A Draft FY-2016 8. Rio Guayabo/Total Nitrogen PRWR94A Draft FY-2016 9. Lago La Plata/Total Phosphorus PREL110A1 Draft FY-2016 - 17

10. Lago Loiza/Total Phosphorus PREL14A Draft FY-2016 - 17 11. Lago Loiza/Total Nitrogen PREL14A Draft FY-2016 - 17

Implementation of the Clean Water Act 303(d) Program Vision Long – Term Vision In December 2013, Environmental Protection Agency (EPA) announced a new framework for implementing the Clean Water Act (CWA) Section 303(d) Program – A long-term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program. This new vision, encourage states and territories to develop tailored strategies to implementation CWA 303(d) responsibilities of their overall water quality goals and individuals states priorities. Recognizing each State is unique, EPA expects that States will vary in the extent to which and how they implement the goals of the Vision, depending on particular circumstances and water quality goals of the State. To support State and EPA discussions on re-orienting CWA 303(d) Program responsibilities consistent with the Vision, EPA is providing additional information for States to consider when implementing the Prioritization, Engagement and Alternative Goals. EPA and States jointly identified these topics as warranting further clarification to promote timely implementation of the Vision and submittal and review of States' 2016 Integrated Reports. EPA anticipates working closely with the States on these issues as States move forward with developing their Integrated Reports.

Long-term Prioritization from 2016 to 2022 Consistent with the new EPA’s vision, Puerto Rico Environmental Quality Board (PREQB) identify those AU for priority restoration and protection activities. This prioritization provides a framework to focus the location and timing for the development of, alternative restoration, protection plans and TMDLs. Those alternatives should include:

Identification of specific impairment addressed by an alternate approach.


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Planning, development and implement effectiveness monitoring programs. Revisions, and amendments to the existing regulations.

Recently, PREQB update its Non-Point Source Management Program (NPSMP). One of the most important parts of this NPSMP is the development and implementation of a Priority System. This Priority System will be used as a priority based system in the long-term vision of the assessment restoration and protection under the CWA section 3303(d). The main purpose will be standardizing the priority systems and the basic criteria used for a more effective assessment of island’s water quality. In Appendix II is the Implementation of the Clean Water Act 303(d) Program Vision Long – Term Vision document. It is important to establish that this document originaly was prepare using the 2014 303(d) List. Therefore, the following Table Long-Term Priorities 2016 – 2022 AUs was updated using the information of 2016 cycle. WATER BODY

NAME AU ID CAUSES OF IMPAIRMENTS AREA SQ miles Approach

RIO GURABO PRER14G1 Copper, Total Coliforms, Total Phosphorus, Turbidity

32512.22173 50.800346 1, 5a


Pesticides, Surfactants, Total Coliforms, Total Nitrogen, Total Phosphorus

26498.345459 41.403665 1, 5a

RIO CAGUITAS PRER14I

Cyanide, Free Cyanide, Surfactants, Thermal Modifications, Total Coliforms, Total Nitrogen, Total Phosphorus, Turbidity

12019.471726 18.780425 1, 5a

RIO DE LA PLATA PRER10A1 Low Dissolved

Oxygen, Total Nitrogen 6762.208267 10.56595 1, 5a

RIO CIBUCO PRNR9A Total Coliforms, Total Nitrogen, Turbidity 14250.254207 22.266022 1, 5a


Copper, Low Dissolved Oxygen, Total Phosphorus, Turbidity

10851.784356 16.955913 1, 5a


Cyanide, Free Cyanide, Total Phosphorus, Turbidity

12896.790193 20.151235 1, 5a


Copper, Lead, Mercury, Total Phosphorus, Turbidity

23893.320027 37.333313 1, 5a

RIO GUAYNABO PRER12B

Copper, Lead, Total Coliforms, Total Nitrogen, Total Phosphorus, Turbidity

12590.494231 19.672647 1, 5a

RIO CULEBRINAS PRWR95A Arsenic, Copper,

Pesticides, Turbidity 30592.920494 47.801438 1, 5a


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WATER BODY NAME AU ID CAUSES OF

IMPAIRMENTS AREA SQ miles Approach

LAKE LA PLATA PREL110A1

Arsenic, Cyanide, Low Dissolved Oxygen, pH, Total Phosphorus, Turbidity

7938.7658 12.404322 1, 3, 4, 5a

LAKE GUAJATACA PRNL3A1 Low Dissolved

Oxygen, pH 5824.294966 9.100461 3, 4, 5a

RIO TURABO PRER14J

Copper, Cyanide, Cyanide Free, pH, Total Coliform, Turbidity

19006.0409 29.696939 1, 5a

RIO VALENCIANO PRER14G2

Copper, Lead, Total Nitrogen, Total Phosphorus, Turbidity

12200.5404 19.063344 1, 5a


Copper, Lead, Pesticides, Total Coliforms, Turbidity

22446.225457 35.072227 1, 5a


Cyanide, Low Dissolved Oxygen, Turbidity

7207.74912 11.262108 1, 5a

RIO CIALITO PRNR8B Total Coliforms, Total Nitrogen, Total Phosphorus, Turbidity

10776.451776 16.838206 1, 5a

RIO GRANDE DE MANATI PRNR8A1 Total Phosphorus,

Turbidity 14214.337007 22.209902 1, 5a

RIO ROSARIO PRWR77C Pesticides, Turbidity 15356.703909 23.99485 1, 5a

RIO LA PLATA PRER10A4 Total Phosphorus, Turbidity

4187.745159 6.543352 1, 5a

RIO HUMACAO PRER33A

Copper, Lead, Surfactants, Total Coliforms, Total Phosphorus, Turbidity

14678.023253 22.934411 1, 5a

LAKE LOIZA PREL14A1 Copper, Lead, Low Dissolved Oxygen, Turbidity

7928.060628 12.387595 3, 4, 5a

RIO GRANDE DE AÑASCO PRWR83A Copper, Total

Phosphorus, Turbidity 32194.001763 50.303128 1, 5a

LAKE DOS BOCAS PRNL17A1

Arsenic, Copper, Cyanide, Low Dissolved Oxygen, pH, Surfactants

10734.480607 16.772626 1, 3, 4, 5a

RIO BAIROA

PRER14H Cyanide, Free Cyanide, Total Coliform, Total Nitrogen, Total Phosphorus, Turbidity

5005.816097 7.821588 3

RIO GUAYANILLA

PRSR67A Ammonia, Low Dissolved Oxygen, Total Nitrogen, Total Phosphorus

16090.163506 25.14088 3


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WATER BODY NAME AU ID CAUSES OF

IMPAIRMENTS AREA SQ miles Approach

RIO YAUCO PRSR68A1 Low Dissolved

Oxygen, Total Phosphorus

20519.523795 32.061756 3

SAN JUAN BAY ESTUARY SYSTEM

PREE13A2

Ammonia, Low Dissolve Oxygen, Oil and Grease, pH, Thermal Modification, Total Coliforms, Total Nitrogen, Total Phosphorus, Turbidity

16626.02176 25.978159 5b


- 211 -

PART F. Groundwater Monitoring and Assessment Groundwater use in PR includes human consumption as drinking water, industrial use in many processes, including manufacturing and pharmaceutical applications, and agricultural activities. In some communities, groundwater represents the sole source of drinking water.

The PREQB is the designated state agency responsible for protection the quality of all waters in the Commonwealth of PR, including ground waters. To fulfill this responsibility, PREQB implements various strategies and programs which essentially seek to protect the quality of the available resource. These include the Groundwater Monitoring Network (GMN) and the Wellhead Protection Program (WHPP). Furthermore, PREQB implements various regulatory programs that specifically seek the protection of groundwater quality and groundwater pollution prevention. These programs include, the UIC Program, the UST Program, both of which are federal regulatory programs that have been delegated by USEPA to PREQB. Also, implements the non-delegated the Leaking UST Program to address clean-up actions required as result of spills in facilities operating underground storage tanks. Groundwater Monitoring Network

The PREQB’s Groundwater Monitoring Network consists of selected drinking water wells operated by the Puerto Rico Aqueduct and Sewer Authority (PRASA), from which samples are taken from the well prior to treatment thus representing ambient monitoring data from the aquifer (Table 47). A total of fifty-three (53) wells are monitored to perform the groundwater assessment. Under this monitoring network, the PREQB conducts sampling and analyses once per year for: fecal coliforms, pH, temperature, VOCs, SVOCs, ammonium, pesticide and total dissolved solids. The selection of the wells for the network within municipalities was based on the following: location (site), population served and risk of contamination. The municipalities in which the drinking water wells of the network are located were selected based on the following criteria established in the PREQB Groundwater Protection Plan:

Groundwater dependence Hydrogeology characteristics Presence of potential pollution sources Critical or ecological sensitive areas Presence of pollutants

Table 47: Wells included in the Groundwater Monitoring Network

Well Name Municipality Sampling Year

Sampling Year

Saltillo Adjuntas 2014 2015 Saltillo Vaca Adjuntas 2014 2015 Garrochales Arecibo 2014 2015

Matadero IV (Urbano) Arecibo 2014 2015 Ojo de Agua 1 Arecibo 2014 2015

Belinda Arroyo 2014 2015 Arroyo (Pozo 1) Arroyo 2014 2015

Cruce Dávila Barceloneta 2014 2015


- 212 -

Table 47: Wells included in the Groundwater Monitoring Network

Well Name Municipality Sampling Year

Sampling Year

Tiburones II Barceloneta 2014 2015 Viskase III Barceloneta 2014 2015

Cabo Rojo I (Pozo 1) Cabo Rojo 2014 2015 Cabo Rojo II (Pozo II) Cabo Rojo 2014 2015 Florida V (La Ceiba) Florida 2014 2015 Florida IX (Parque

Ceiba) Florida 2014 2015

Pajonal I Florida 2014 2015 Pajonal II Florida 2014 2015

La Joya (Santa Rita) Guánica 2014 2015 Los Caños Guánica 2014 2015 Río Loco Yauco 2014 2015

Guayanilla Viejo Guayanilla 2014 2015 Los Sitios Guayanilla 2014 2015

Quebrada Nuevo Guayanilla 2014 2015 Campo Alegre I Hatillo 2014 2015

Campo Alegre III Hatillo 2014 2015 Hormigueros III

Javieres Hormigueros 2014 2015

Amelia II Juana Díaz 2014 2015 Experimental Juana Díaz 2014 2015

Manatí II Manatí 2014 2015 Tiburones Manatí 2014 2015

Tiburones II Manatí 2014 2015 Viskase III Manatí 2014 2015 Bordaleza Maunabo 2014 2015 Calzada Maunabo 2014 2015

Jacaboas I Patillas 2014 2015 Bateyes Mayaguez 2014 2015

Jacaboas II Patillas 2014 2015 Jacaboas III Patillas 2014 2015 Alambra II Ponce 2014 2015 Puente II Rincón 2014 2015

Albergue Olímpico Salinas 2014 2015 Godreau II Salinas 2014 2015 Las Mareas Salinas 2014 2015

Urbano II (Salinas 2) Salinas 2014 2015 Coco IV Salinas 2014 2015

Cain Alto (Capriles) San Germán 2014 2015 Duey II San Germán 2014 2015

Ollas (Descalabrado) Santa Isabel 2014 2015 Paso Seco V Santa Isabel 2014 2015 Paso Seco VI Santa Isabel 2014 2015

Playita Cortada Santa Isabel 2014 2015 Campanilla VIII Toa Baja 2014 2015

Pugnado II Vega Baja 2014 2015 Vega Baja III Vega Baja 2014 2015


- 213 -

The ambient groundwater quality data compiled by PREQB during this reporting cycle indicates the presence of bacteria and dissolved solid in some of the aquifer stations monitored. As part of the WHPP, a Contingency Plan has been implemented in which PREQB is performing an investigation about the different sources of pollution to determine responsibilities and requires corrective actions. The main purpose of the program is to protect the area around wells of pollutants which could affect the health of people who use that resource. At all wells used for human consumption have been delineated the area around 1,500 feet (See Figure 33). The PREQB has raised a few layers of information of potential sources of pollution, which include landfills, superfund sites, RCRA facilities, underground storage tanks, mechanic workshops and other facilities that generate used oil.

Figure 33: Example of Wellhead Area and Possible Contamination Sources

Wellhead


- 214 -

PART G. Public Participation According to USEPA requirements of involving the public and other stakeholders in the development of the Section 303(d) List (40 CFR 130.7(a)) PREQB has held a public hearing on, June 17, 2016. The public hearing was appropriated noticed in a local newspaper of island wide circulation, METRO in May 13, 2016, (Public Notice in Spanish and English, Appendix III). Also, 303(d) List was circulated among PREQB’s offices including the regional offices. The Public participation element serves to encourage the involvement of universities, private institutions, agencies, communities and general public in water quality issues. The determination of the Governing Board of PREQB was established in resolution number R-16-53, copy enclosed in Appendix IV.

- 215 -

APENDIX I – 2016 Cycle 303(d) List


- 216 -

Table 48: Size of waters Impaired by Causes all cycles (Monitored Miles for Rivers and Streams)

Causes of Impairments Size of Waters Impaired (miles) Pesticides (0200) 495.5 Surfactants (0400) 304.1 Arsenic (0510) 146.1 Copper (0530) 1,067.2 Lead (0550) 426.8 Mercury (0560) 107.3 Ammonia (0600) 74.6 Cyanide (0720) 287.6 Free Cyanide (0722) 261.7 Others Inorganic (0800) 22.0 Total Phosphorus (0910) 1,364.8 Total Nitrogen (0920) 575.9 pH (1000) 226.6 Low Dissolved Oxygen (1200) 1,177.6 Thermal Modifications (1400) 157.7 Fecal Coliforms (1700) 13.9 Total Coliforms (1700) 1,001.4 Turbidity (2500) 2,080.0 Silver (no code) 14.6


- 217 -

Table 49: 2016 Cycle 303(d) List – List of Rivers and Streams Note: The 2016 303(d) List is comprised of the causes of impairments included in assessment cycles 2016, 2014, 2012, 2010, 2008 and 2006.

Basin Waterbody Name Waterbod

y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes

Potential Pollution Sources

Causes of Impairment (Assessment Cycles)

R1

R2

AL

DW 2016 2014 2012 2010 2008

2006 Parameter in italic

and color

noncompliance in

2004, but

compliance in 2006 RIO GUAJATACA


9.9 SD NS 50011400

5 5 5 1 Collection System Failure (0500) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Total Nitrogen (0920)

Fecal Coliforms (1700)




22 SD NS 50010600

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


QUEBRADA LAS SEQUIAS PRNQ3B

3.5 SD SPD 5001139

0


Arsenic (0510) Cyanide (0720) Low Dissolved Oxygen (1200)


- 218 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GRANDE DE ARECIBO


22.4 SD NS 50029000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Source (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


Cyanide (0720) Turbidity (2500)


Cyanide (0720) Low Dissolved Oxygen (1200)

Cyanide (0720) Low Dissolved Oxygen (1200) Turbidity (2500)


122.8 SD NS 50025000

5 5 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Total Coliforms (1700) Turbidity (2500)

Turbidity (2500)

Pesticides (0200) Turbidity (2500)


- 219 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO LIMON

PRNR7C2 40.7

NS 50026350

4a 4a 5 5 M Agriculture (1300) Minor Industrial Point Source (0120) Package Plant (Small Flows) (0230) Onsite Wastewater Systems (6500)

Turbidity (2500)

RIO TANAMA PRNR7B2

43.5 SD NS 50028000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)



31 SD NS 50038100

4a 4a 5 5 M Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)


- 220 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GRANDE

DE MANATÍ PRNR8A2

38.1 SD NS 50035500



Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)


27 SD SPD 50030130

4a 4a 5 5 M Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Package Plant (Small Flows) (0230)

Turbidity (2500)



- 221 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CIALITO

PRNR8B 25.8 SD NS

50035950 5 5 5 5 M Agriculture (1300)


Total Nitrogen (0920) Total Phosphorus (0910)


Turbidity (2500)

Turbidity (2500)

RIO BAUTA PRNR8C2

27.6 SD SPD 50034500


Copper (0530)


- 222 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO OROCOVIS

PRNR8E1 19.8 SD NS

50030700

4a 4a 5 5 M Collection System Failure (0500) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

RIO BOTIJAS PRNR8E2

19.1 SD SPD 50030300

4a 4a 5 1 M Confined Animal Feeding Operations (1640) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)



- 223 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CIBUCO RIO CIBUCO

PRNR9A 31.1 SD NS

50039500 5 5 5 5 A Agriculture (1300)

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500)

Total Nitrogen (0920)



Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

RIO MOROVIS PRNR9B2

25.5 SD 4a 4a 5 3 A, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



- 224 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO DE LA PLATA


21 SD NS 50046000

4a 4a 5 1 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Source (0110) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Surfaces Mining (5100)



55.7 SD NS 50044000

4a 4a 5 5 B Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Onsite Wastewater Systems (6500)

Free Cyanide (0722) Total Phosphorus (0910)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Cyanide (0720)

Cyanide (0720)


- 225 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO DE LA

PLATA PRER10A4

10.2 SD NS 50043000

4a 4a 5 5 B Agriculture (1300) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)


Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500) Cyanide (0720)


92.7 SD NS 50042500

4a 4a 5 5 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban/Runoff/Storm Sewers (4000)


Copper (0530) Lead (0550) Mercury (0560) Turbidity (2500)



- 226 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO LAJAS

PRER10B 16.6 SD SPD

50045800 4a 4a 5 1 B Collection System

Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surface Mining (5100)


RIO GUADIANA PRER10E

21.8 SD NS 50044850

5

5

5 5 B Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)




Turbidity (2500)

Turbidity (2500)

RIO CUESTA ARRIBA PRER10F

10.6 SD 4a 4a 5 3 B, I Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

pH (1000)


- 227 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO ARROYATA

PRER10G 36.8 SD NS

50043998

4a 4a 5 5

B Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


Turbidity (2500)

RIO GUAVATE PRER10K

19.8 4a 4a 5 3 B, I Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

pH (1000)

RIO HONDO RIO HONDO PRER11A

22 SD SPD 50047530

5 5 5 1 G Collection System Failure (0500) Urban Runoff/Storm Sewers (4000)




Low Dissolved Oxygen (1200) Other Inorganic (0800) Surfactants (0400)


- 228 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO BAYAMÓN


33.6 SD NS 50048510

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Free Cyanide (0722) Total Coliforms (1700) Total Phosphorus (0910)

Copper (0530) Total Coliforms (1700) Turbidity (2500)


Copper (0530) Cyanide (0720) Turbidity (2500)

Cyanide (0720)


83.7 SD NS 50047820

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)


- 229 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO

GUAYNABO PRER12B

50.7 SD NS 50047990

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Source (0110) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)



Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

RIO GRANDE DE LOIZA


31 SD NS 50059100

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Industrial Point Source (0110) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Copper (0530) Low Dissolved Oxygen (1200) Total Phosphorus (0910) Turbidity (2500)

Turbidity (2500)



Turbidity (2500)



- 230 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GRANDE

DE LOIZA PRER14A2

86.6 SD NS 50055000

5 5 5 5 C, F, H

Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Surfactants (0400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910)


Pesticides (0200)


- 231 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but


CANOVANAS PRER14B

32.6 SD SPD 50061910

5 5 5

1 G Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plant (Small Flows) (0230) Urban Runoff/Storm Sewers (4000)



RIO CANOVANILLAS PRER14C

27.9 SD SPD 50061510

5 5 5 1 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



QUEBRADA MARACUTO PREQ14D

22.9 SD SPD 50060200

4a

4a

5

1 G Confined Animal Feeding Operations (1640) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)



- 232 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 QUEBRADA

GRANDE PREQ14E

17.7 SD SPD 50059210

4a

4a

5 1 G Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plant (Small Flows) (0230) Urban Runoff/Storm Sewers (4000)


RIO CAÑAS PRER14F

9.4 SD SPD 50058350

4a 4a 5

1 C Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO GURABO PRER14G1

124.3 SD NS 50057025

5 5 5 5 C, F Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100)

Copper (0530) Total Phosphorus (0910)

Copper (0530) Total Coliforms (1700) Turbidity (2500)



Turbidity (2500)



- 233 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but


VALENCIANO PRER14G2

42.8 SD NS 50056500

4a 4a 5 5 C Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plant (Small Flow) (0230) Urban Runoff/Storm Sewers (4000)

Copper (0530) Lead (0550) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

Turbidity (2500)

Copper (0530)

Turbidity (2500)

RIO BAIROA PRER14H

16.3 SD NS 50055410

5 5 5 5 C, F, H, J

Collection System Failure (0500) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Free Cyanide (0722) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910)

Total Coliforms (1700) Total Phosphorous (0910) Turbidity (2500)



Cyanide (0720) Total Phosphorus (0910)

Cyanide (0720)


- 234 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CAGÜITAS

PRER14I 33.9 SD NS

50055250 5 5 5 5 C, F,

H, J Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)

Free Cyanide (0722) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910)

Surfactants (0400) Thermal Modifications (1400) Total Coliforms (1700) Turbidity (2500)


Surfactants (0400) Thermal Modifications (1400) Turbidity (2500)

Cyanide (0720) Surfactants (0400) Thermal Modifications (1400) Turbidity (2500)

Cyanide (0720) Surfactants (0400)

RIO TURABO PRER14J

54.7 SD NS 50054500

5 5 5 5 C Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Free Cyanide (0722) Total Coliforms (1700)

Copper (0530) pH (1000) Turbidity (2500)

Cyanide (0720) Turbidity (2500)


- 235 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CAYAGUAS

PRER14K 38.5 SD NS

50051500

4a 4a 1 5 C Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


RIO EMAJAGUA PRER14L

8.5 SD SPD 50051000

4a 4a 5 1 C Onsite Wastewater Systems (6500) Minor Industrial Point Sources (0120) Package Plants (Small Flow) (0230)

Free Cyanide (0722)

Cyanide (0720)

RIO HERRERA

RIO HERRERA PRER15A

17 SD SPD 50063065

5 5 5 5 G Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



Turbidity (2500)


QUEBRADA MATA DE PLATANO

QUEBRADA MATA DE PLATANO PREQ18A

4.0 SD SPD 50066500







- 236 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO SABANA RIO SABANA

PRER19A 15.1 SD 4a 4a 5 3 E, I,

L Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Surfaces Mining (5100)


QUEBRADA FAJARDO

QUEBRADA FAJARDO PREQ21A

10.0 SD 4a 4a 5 3

E, I, L



RIO FAJARDO

RIO FAJARDO PRER22A

59.0 SD NS 50072500

4a

4a

5 5 L Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Free Cyanide (0722) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)


Copper (0530) Low Dissolved Oxygen (1200) Surfactants (0400) Turbidity (2500)





- 237 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO DEMAJAGUA


2.8 SD SPD 50072700

4a 4a 5 2

L Onsite Wastewater Systems (6500)



QUEBRADA CEIBA

QUEBRADA CEIBA PREQ24A

5.0 SD SPD 50072810






QUEBRADA AGUAS CLARAS

QUEBRADA AGUAS CLARAS PREQ25A

4.8 SD 4a 4a 5 3 E, I, L




RIO DAGUAO RIO DAGUAO PRER26A

13.8 SD SPD 50073225





QUEBRADA BOTIJAS

QUEBRADA BOTIJAS PREQ28A

7.4 SD 4a 4a 5 3 E, I, L





- 238 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO BLANCO RIO BLANCO

PRER30A 45.0 SD 4a 4a 5 5 E, I,

L Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



QUEBRADA PEÑA POBRE PREQ30B

13.4 SD 4a 4a 5 3 E, I, L



RIO ANTON RUIZ


16.9 SD SPD 50078510




QUEBRADA FRONTERA

QUEBRADA FRONTERA PREQ32A

8.5 SD 4a

4a 5 3 E, I, L

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)




- 239 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO HUMACAO

RIO HUMACAO PRER33A

55.8 SD NS 50082000

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


Copper (0530) Lead (0550) Surfactants (0400) Total Coliforms (1700) Turbidity (2500)


Surfactants (0400)

Surfactants (0400) Turbidity (2500)

Turbidity (2500)

RIO CANDELERO


10.4 SD 4a 4a 5 3 G, I, O



RIO GUAYANES


62.0 SD NS 50085000

5 5 5 5 G Agriculture (1300) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Package Plants (Small Flow) (0230)

Copper (0530) Lead (0550) pH (1000) Turbidity (2500)

Copper (0530) Lead (0550) Low Dissolved Oxygen (1200) pH (1000) Total Coliforms (1700) Turbidity (2500)




- 240 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO MAUNABO

RIO MAUNABO PRER37A

36.0 SD NS 50091000

4a 4a 5 5

G Agriculture (1300) Collection System Failure (0500) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Total Nitrogen (0920) Total Phosphorus (0910)




QUEBRADA PALENQUE

QUEBRADA PALENQUE PRSQ41A

1.0 SD 4a 4a 5 3 I, L, N, O




- 241 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CHICO RIO CHICO

PRSR42A 14.6 SD SPD

50091800

4a 4a 5 5 L, N Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Ammonia (0600) Copper (0530) Low Dissolved Oxygen (1200) Surfactants (0400) Total Phosphorus (0910)

Ammonia (0600)

Ammonia (0600) Low Dissolved Oxygen (1200)

Ammonia (0600) Copper (0530) Low Dissolved Oxygen (1200) Mercury (0560)

Silver (no code)

Surfactants (0400) Total Phosphorus (0910)

RIO NIGUAS DE ARROYO

RIO NIGUAS DE ARROYO PRSR45A

21.0 SD 5 5 3 3 I, L, O

Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plant (Small Flows) (0230) Urban Runoff/Storm Sewers (4000)



- 242 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GUAMANI

RIO GUAMANI PRSR49A

22.0 SD 4a 4a 5 3 I, L, N, O

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


QUEBRADA MELANIA

QUEBRADA MELANIA PRSQ50A

7.0 SD SPD 50096010

4a 4a 5 3 L, N Landfills (6300) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)





RIO SECO RIO SECO PRSR51A

24.7 SD 4a

4a

5 3 I, L, N, O



QUEBRADA AMOROS

QUEBRADA AMOROS PRSQ52A

0.7 SD 4a 4a 5 3 D, I, L, N





- 243 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 QUEBRADA AGUAS VERDES

QUEBRADA AGUAS VERDES PRSQ53A

15.0 SD SPD 50099400





RIO NIGUAS DE SALINAS


102.5 SD SPD 50101600

4a 4a 5 1 G, N Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Surfaces Mining (5100) Urban Runoff/Storm Sewers (4000)


RIO CAYURES

RIO CAYURES PRSR56A

5.0 SD SPD 50103100

4a 4a 5 2 L, N Agriculture (1300) Onsite Wastewater Systems (6500)





- 244 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO COAMO RIO COAMO

PRSR57A2 59.0 SD NS

50106500 4a 4a 5 1

L Agriculture (1300)

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Sources (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


RIO CUYON PRSR57B

49.2 SD SPD 50106000

4a 4a 5 1 L Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package Plans Small Flow (0230) Urban Runoff/Storm Sewers (4000)



- 245 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO PORTUGUES

RIO PORTUGUES PRSR63A

54.0 SD NS 50114900 50116200

4a

4a

5 5 L Collection System Failure (0500) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)


Thermal Modifications (1400) Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

RIO MATILDE – PASTILLO

RIO MATILDE – PASTILLO PRSR64A

43.2 SD 4a 4a 5 3 I, L, N, O

Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Sources (0110) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plant (small flow) (0230) Urban Runoff/Storm Sewers (4000)



- 246 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO TALLABOA


59.6 SD 4a 4a 5 5 I, L, N, O

Agriculture (1300) Collection System Failure (0500) Minor Industrial Point Source (0120) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

RIO GUAYANILLA

RIO GUAYANILLA PRSR67A

60.0 SD NS 50124700


Low Dissolved Oxygen (1200) Total Nitrogen (0920) Total Phosphorus (0910)

Ammonia (0600) Low Dissolved Oxygen (1200)





- 247 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO YAUCO RIO YAUCO

PRSR68A1 61.4 SD SPD

50128110 4a 4a 5 5 G, N Agriculture (1300)

Collection System Failure (0500) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)





- 248 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO LOCO RIO LOCO

PRSR69A1 92.4 SD SPD

50129600

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operation (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)





QUEBRADA ZUMBON

QUEBRADA ZUMBON PRWQ72A

1.7 SD SPD 50030050

4a 4a 5 3 L,N Collection System Failure (0500) Onsite Wastewater Systems (6500)



Surfactants (0400)

QUEBRADA GONZALEZ

QUEBRADA GONZALEZ PRWQ73A

1.8 SD 4a 4a 5 3 I, L, N, O



QUEBRADA LOS PAJARITOS

QUEBRADA LOS PAJARITOS PRWQ74A

2.7 SD 4a 4a 5 3 I, L, N, O




- 249 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GUANAJIBO

RIO GUANAJIBO PRWR77A

119.3 SD NS 50138000

5 5 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)


- 250 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO ROSARIO

PRWR77C 58.3 SD NS

50136700

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500) Pesticides (0200)

Turbidity (2500)

Turbidity (2500)

RIO VIEJO PRWR77D

21.1 SD NS 50135625

4a 4a 5 5 G Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Total Phosphorus (0910) Turbidity (2500)




- 251 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO CUPEYES

PRWR77G 8.0 SD 4a 4a 5 5 G, I Agriculture (1300)

Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Pesticides (0200)

CAÑO MERLE

CAÑO MERLE PRWK78A

1.6 SD 4a 4a 5 3 I, L, N, O

Collection System Failure (0500) Surfaces Mining (5100) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



- 252 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO YAGÜEZ RIO YAGÜEZ

PRWR79A 42.2 SD NS

50139000 5 5 5 5 L Agriculture (1300)

Collection System Failure (0500) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Package Plant (small flow) (0230) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)


Turbidity (2500)

Turbidity (2500)


- 253 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 RIO GRANDE DE AÑASCO


126.0 SD NS 50144000 50146000

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Copper (0530) Total Phosphorus (0910) Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

Turbidity (2500)

RIO HUMATA PRWR83D

13.3 SD SPD 50144900


Turbidity (2500)

Turbidity (2500)

RIO PRIETO PRWR83I

59.8 SD SPD 50142900

4a 4a 5 5 M Agriculture (1300) Confined Animal Feeding Operations (1640) Minor Industrial Point Source (0120) Onsite Wastewater Systems (6500)

Pesticides (0200)


- 254 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 QUEBRADA LOS RAMOS

QUEBRADA LOS RAMOS PRWQ89A

6.9 SD 4c 4c 5 3 D, I, N

Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500)



QUEBRADA PILETAS

QUEBRADA PILETAS PRWQ91A

2.0 SD 4c 4c 5 3 I, N, O



RIO CULEBRINAS


142.6 SD NS 50149100

4a 4a 5 5 M Agriculture (1300) Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Municipal Point Source (0210) Minor Industrial Point Source (0120) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Turbidity (2500)

Arsenic (0510) Copper (0530) Turbidity (2500)

Copper (0530) Pesticides (0200) Turbidity (2500)

Arsenic (0510) Copper (0530) Turbidity (2500)

Arsenic (0510) Turbidity (2500)



- 255 -



y Size (miles)

Class

2016 Monitoring

Stations NS =


Delisting

Designated Uses and

Categories Summary

Notes



R1

R2

AL

DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 QUEBRADA LA

SALLE PRWQ95F

11.8 SD SPD 50147675



Pesticides (0200)

QUEBRADA EL SALTO PRWQ95G

7.8

SD SPD 50147630



QUEBRADA GRANDE DE LA MAJAGUA PRWQ95H

5.6 SD SPD 50147595

4a 4a 5 5 M Agriculture (1300) Onsite Wastewater Systems (6500) Confined Animal Feeding Operations (1640)

Pesticides (0200)

QUEBRADA SALADA PRWQ95I

7.9 SD SPD 50147475

4a 4a 5

1 M Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)


Notes: A - Watershed that has an approved TMDL for Río Cibuco, the TMDL was approved on September 2002, the pollutant was Fecal Coliforms. B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. C - Watershed that has an approved TMDL for Río Grande de Loíza, the TMDL was approved on September 2007, the pollutant was Fecal Coliforms.

D - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2008-303(d) list. E - Watershed and sub watershed that were included in the 2006-303(d) list by a synoptic study and do not have permanent monitoring station. F - Watershed that has an approved TMDL for Río Grande de Loíza a TMDL was approved on August 2007, the pollutant was Dissolved Oxygen. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. H - Watershed that has an approved TMDL. Río Grande de Loíza, the TMDL was approved on August 2007, the pollutant was Copper. I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. J - Watershed that has approved TMDL from Río Grande de Loíza, a TMDL was approved on August 2007, the pollutant was Ammonia. L - Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliform.


- 256 -

M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco Río Culebrinas. N – Watershed and subwatersheds, are waterbodies that lack adequate flow, which impaired some of the designated uses. O - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2012 -303(d) list. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water


- 257 -

Table 50: Size of waters Impaired by Causes (Monitored Acres for Estuaries) Causes of Impairments Size of Waters Impaired (acres/miles)

Surfactants (0400) 648.3 ac, 11.9 mi Arsenic (0510) 23.29 ac Cyanide (0720) 23.29 ac Low Dissolved Oxygen (1200) 551.5 ac, 11.9 mi Thermal Modifications (1400) 49.9 ac Fecal Coliforms (1700) 1.28 ac Total Coliforms (1700) 101.1 ac Turbidity (2500) 187.6 ac, 11.9 mi


- 258 -

Table 51: 2016 Cycle 303(d) List – List of Estuaries Note: The 2016 303(d) List is comprised of the causes of impairments included in assessment cycles 2016, 2014, 2012, 2010, 2008 and 2006.

Basin

Waterbody Name

Assessment Unit-ID

Waterbody Size

(acres/miles) Class

2016 Monitoring

Stations SPD = Special Project

Delisting ED =

External Data

Designated Uses and Categories

Summary

Notes Potential Pollution Sources

Causes of Impairment (Assessments Cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

RIO HERRERA PRER15A

RIO HERRERA PREE15A

65.28 SB 4a 4a 5 N/A G, I, O

Landfills (6300) Onsite Wastewater Systems (6500)

Surfactants (0400)


RIO ESPIRITU SANTO PREE16A

368.51 SB 4a 4a 5 N/A E, G, I





RIO DEMAJAGUA PREE23A

1.79 SB 4a 4a 5 N/A I, L, O

Collection System Failure (0500) Urban Runoff (4000)

Turbidity (2500)


RIO CANDELERO PREE34A

49.92 SB 4a 4a 5 N/A E, G, I

Collection System Failure (0500)




RIO GUAYANES PREE35A

23.29 SB 4a 4a 5 N/A G, I Agriculture (1300) Collection System Failure (0500) Onsite Wastewater Systems (6500)


Arsenic (0510)

Arsenic (0510) Cyanide (0720)


- 259 -


Basin

Waterbody Name

Assessment Unit-ID

Waterbody Size

(acres/miles) Class

2016 Monitoring


Delisting ED =

External Data


Summary



R1 R2 AL DW 2016 2014 2012 2010 2008

2006

CAÑO SANTIAGO PREK35.1

CAÑO SANTIAGO PREE35.1

73.72 11.9 miles

SB 4a 4a 5 N/A E, G, I

Agriculture (1300) Collection System Failure (0500) Landfills (6300) Major Municipal Point Sources (0210) Minor Industrial point Source (0120) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)




RIO MATILDE-PASTILLO PRSE64A

27.64 SB 4a 4a 5 N/A I, L, N, O


Turbidity (2500)


RIO TALLABOA PRSE65A

21.50 SB 4a 4a 5 N/A I, L, N, O


Turbidity (2500)


- 260 -


Basin

Waterbody Name

Assessment Unit-ID

Waterbody Size

(acres/miles) Class

2016 Monitoring


Delisting ED =

External Data


Summary



R1 R2 AL DW 2016 2014 2012 2010 2008

2006

CAÑO MERLE CAÑO MERLE PRWE78A

101.12 SB SPD 50138265

5 5 5 N/A L, N Collection System Failure (0500)

Surfactants (0400) Total Coliforms (1700)


CAÑO BOQUILLA PRWK82

CAÑO BOQUILLAS PRWE82A

39.68 SB 3

3

5 N/A I, N, O



QUEBRADA GRANDE CALVACHE PRWQ88A

QUEBRADA GRANDE CALVACHE PRWE88A

1.28 SB SPD 50146150

5 5 5 N/A N Urban Runoff/Storm Sewers (4000)





RIO GUAYABO PRWR94A

RIO GUAYABO PRWE94A

18.43 SB 4a 4a 5 N/A D, I, L




Notes: A - Watershed that has an approved TMDL for Río Cibuco, the TMDL was approved on September 2002, the pollutant was Fecal Coliforms.

B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. D - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2008-303(d) list. E - Watershed and sub watershed that were included in the 2006-303(d) list by a synoptic study and do not have permanent monitoring station. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle.


- 261 -

L - Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliforms. M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco Río Culebrinas. N - Watershed and subwatersheds, are waterbodies that lack adequate flow, which impaired some of the designated uses. O - Watershed and sub watershed that were monitored by a synoptic study and were included in the 2012 -303(d) list. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water N/A - Not Applicable


- 262 -

Table 52: Size of waters Impaired by Causes San Juan Bay Estuary System Causes of Impairments Size of Waters Impaired (miles)

Surfactants (0400) 2,389.2 ac, 66.7 mi Arsenic (0510) 18.8 mi Copper (0530) 2,389.2 ac, 66.7 mi Lead (0550) 2,389.2 ac, 66.7 mi Mercury (0560) 2,389.2 ac, 66.7 mi Selenium (0570) 18.8 mi Ammonia (0600) 2,453.8 ac, 103.8 mi Cyanide (0720) 18.8 mi Total Nitrogen (0920) 103.8 mi Total Phosphorous (0910) 64.6 ac, 103.8 mi pH (1000) 2,453.8 ac, 122.6 mi Low Dissolved Oxygen (1200) 2,453.8 ac, 122.6 mi Thermal Modifications (1400) 2,453.8 ac, 122.6 mi Fecal Coliforms (1700) 2,389.2 ac, 47.9 mi Enterococcus Bacteria (1700) 2,389.2 ac, 66.7 mi Total Coliforms (1700) 2,453.8 ac, 103.8 mi Oil and Grease (1900) 2,453.8 ac, 122.6 mi Turbidity (2500) 2,453.8 ac, 122.6 mi


- 263 -

Table 53: 2016 Cycle 303(d) List – List of San Juan Bay Estuary System Note: The 2016 303(d) List is comprised of the causes of impairments included in assessment cycles 2016, 2014, 2012, 2010, 2008 and 2006.


Waterbody Size (acres/miles)

2016 Monitoring

Station NS =Network ED = External

Data


Summary



R1 R2 AL DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but

compliance in 2006 ESTUARY SYSTEM

PREE13A1 Caño Control de La Malaria Bahía de San Juan Caño San Antonio Laguna Del Condado Península La Esperanza

18.8 mi

ED-BSJ 1, 2, 3 LC 1, 2

CSA La Malaria

PLE

5 5 5 N/A G, P Collection System Failure (0500) Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Minor Industrial Point Sources (0120) Onsite Wastewater System (6500) Urban Runoff/Storm Sewers (4000)



Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Turbidity (2500)

Low Dissolved Oxygen (1200) Oil &Grease (1900) Turbidity (2500)

Arsenic (0510) Copper (0530) Cyanide (0720) Lead (0550) Low Dissolved Oxygen (1200) Mercury (0560) pH (1000) Selenium (0570) Surfactants (0400) Thermal Modifications (1400)


- 264 -




2016 Monitoring


Data


Summary



R1 R2 AL DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but


PREE13A2 Río Piedras Lago Las Curías

55.9 mi 64.6 ac

NS 89027 89028

50049100 50048800

ED-RP 01, 02, 03, RPN, Lago

Las Curias

5 5 5 5 G, P Collection System Failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Major Industrial Point Sources (0110) Urban Runoff/Storm Sewers (4000)

Low Dissolved Oxygen (1200) Oil & Grease (1900) Thermal Modifications (1400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910)

Ammonia (0600) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Total Coliforms (1700) Turbidity (2500)

Ammonia (0600) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Total Coliforms (1700) Turbidity (2500)

Ammonia (0600) Low Dissolved Oxygen (1200) Oil & Grease (1900) Turbidity (2500)

Ammonia (0600) Low Dissolved Oxygen (1200) Turbidity (2500)

Ammonia (0600) Low Dissolved Oxygen (1200) Turbidity (2500)


- 265 -




2016 Monitoring


Data


Summary



R1 R2 AL DW 2016 2014 2012 2010 2008


and color

noncompliance in

2004, but


PREE13A3 Caño Martín Peña Quebrada Juan Méndez Quebrada San Antón Quebrada Blasina Canal Machicote Canal Suárez Laguna San José Laguna Torrecillas Laguna de Piñones Laguna Los Corozos

2,389.2 ac 47.9 mi

NS 50050300

ED - CS 1, 2

CMP LSJ 1, 2 Blasina

San Antón Laguna Los

Corozos Laguna

Torrecillas 1, 2, 3

Juan Méndez Laguna Piñones

5 5 5 N/A P Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater System (6500) Urban Runoff/Storm Sewers (4000)

Ammonia (0600) Copper (0530) Fecal Coliforms (1700) Lead (0550) Low Dissolved Oxygen (1200) Mercury (0560) Oil & Grease (1900) pH (1000) Surfactants (0400) Thermal Modifications (1400) Total Coliforms (1700) Total Nitrogen (0920) Total Phosphorus (0910) Turbidity (2500)

Enterococcus Bacteria (1700) Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Total Coliforms (1700) Turbidity (2500)

Copper (0550) Enterococcus Bacteria (1700) Fecal Coliforms (1700) Lead (0550) Low Dissolved Oxygen (1200) Mercury (0560) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Total Coliforms (1700) Turbidity (2500)

Fecal Coliforms (1700) Low Dissolved Oxygen (1200) Oil &Grease (1900) pH (1000) Turbidity (2500)


Fecal Coliforms (1700) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

Notes:

G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. P - External Data R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Sources for Drinking Water N/A - Not applicable


- 266 -

Table 54: Size of waters Impaired by Causes (Monitored Acres for Lagoons) Causes of Impairments Size of Waters Impaired (acres)

Copper (0530) 1,675 Cyanide (0720) 554

pH (1000) 813 Low Dissolved Oxygen (1200) 2,482 Enterococcus Bacteria (1700) 336 Thermal Modification (1400) 257 Turbidity (2500) 918


- 267 -

Table 55: 2016 Cycle 303(d) List – List of Lagoons

Note: The 2016 303(d) List is comprised of the impairments included in assessment cycles 2016, 2014, 2012, 2010, and 2008.

MUNICIPALITY WATERBODY NAME

ASSESSMENT UNIT

(AU-ID) CLASS

2016 MONITORING

STATIONS NS = Network

WB SIZE

(acres)

DESIGNATED USES AND

CATEGORIES SUMMARY NOTES

POTENTIAL POLLUTION

SOURCES

CAUSES OF IMPAIRMENT

(assessment cycles)

R1 R2 AL

2016

2014 2012 2010 2008

MAYAGÜEZ Laguna Joyudas PRWN0005 SB 339 4a 4a 5 I, L Natural Sources (8600) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


VEGA BAJA-MANATI

Laguna Tortuguero

PRNN0006 SE NS 50038200




Cyanide (0720)

DORADO Laguna Mata Redonda

PRNN0007 SB 15 3 3 5 I Urban Runoff/Storm Sewers (4000)


FAJARDO Laguna Aguas Prietas

PREN0011 SB 128 3 3 5 I Natural Sources (8600) Unknown Sources (9000)


FAJARDO Laguna Grande PREN0012 SB 216 5 5 5 I Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500)

Enterococcus Bacteria (1700) Low Dissolved



- 268 -

Table 55: 2016 Cycle 303(d) List – List of Lagoons Note: The 2016 303(d) List is comprised of the impairments included in assessment cycles 2016, 2014, 2012, 2010, and 2008.


ASSESSMENT UNIT

(AU-ID) CLASS

2016 MONITORING


WB SIZE

(acres)

DESIGNATED USES AND


POTENTIAL POLLUTION

SOURCES


(assessment cycles)

R1 R2 AL

2016

2014 2012 2010 2008


Oxygen (1200)

CEIBA Laguna Ceiba PREN0013 SB 120 5 5 5 I Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200) pH (1000)

GUAYAMA Laguna Pozuelo PRSN0014 SB 35 3 3 5 I Natural Sources (8600) Unknown Sources (9000) Urban Runoff/Storm Sewers (4000)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Thermal Modification (1400)

SALINAS Laguna Mar Negro

PRSN0015 SB 208 3 3 5 I Natural Sources (8600) Urban Runoff/Storm Sewers (4000)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000)

SALINAS Laguna Punta Arenas

PRSN0016 SB 18 3 3 5 I Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved


- 269 -



ASSESSMENT UNIT

(AU-ID) CLASS

2016 MONITORING


WB SIZE

(acres)

DESIGNATED USES AND


POTENTIAL POLLUTION

SOURCES


(assessment cycles)

R1 R2 AL

2016

2014 2012 2010 2008


Oxygen (1200) Thermal Modification (1400) Turbidity (2500)

SALINAS Laguna Tiburones

PRSN0017 SB 14 3 3 5 I Landfills (6300) Natural Sources (8600) Unknown Sources (9000)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Thermal Modification (1400) Turbidity (2500)

PONCE Laguna Salinas PRSN0018 SB 77 3 3 5 I Onsite Wastewater Systems (6500) Unknown Sources (9000)


CABO ROJO Laguna Salinas I (Fraternidad)

PRSN0019 SB 294 3 3 5 I Natural Sources (8600) Onsite Wastewater Systems (6500)



- 270 -



ASSESSMENT UNIT

(AU-ID) CLASS

2016 MONITORING


WB SIZE

(acres)

DESIGNATED USES AND


POTENTIAL POLLUTION

SOURCES


(assessment cycles)

R1 R2 AL

2016

2014 2012 2010 2008

CABO ROJO Laguna Cabo Rojo 2

(Candelaria)



CABO ROJO Laguna Cabo Rojo 3 (El Faro)



RINCÓN – CABO ROJO

Caño Boquerón PRSN0022 SB 183 3 3 5 I Marinas and Recreational Boating (7900) Natural Sources (8600)

Copper (0530) Low Dissolved Oxygen (1200) pH (1000) Turbidity (2500)

CABO ROJO Laguna Guaniquilla

PRSN0023 SB 22 3 3 5 I Unknown Sources (9000)



- 271 -

Notes: I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle.

L- Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliforms. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life


- 272 -

Table 56: Size of waters Impaired by Causes (Monitored acres/miles for Lakes)

Causes of Impairments Size of Waters Impaired (acres/miles) Pesticides (0200) 2,133.0 ac, 48.8 mi Surfactants (0400) 634.0 ac, 6.9 mi Arsenic (0510) 1,194 ac, 21.9 mi Copper (0530) 2,047.0 ac, 25.9 mi Lead (0550) 713.0 ac, 7.2 mi Cyanide (0720) 1,194.0 ac, 21.9 mi Phosphorus (0910) 560.0 ac, 15.0 mi pH (1000) 3,807 ac, 59.0 mi Low Dissolved Oxygen (1200) 7,323.0 ac, 136.1 mi Turbidity (2500) 1,973 ac, 34.0 mi


- 273 -

Table 57: 2016 Cycle 303(d) List – List of Lakes

Note: The 2016 303(d) List is comprised of the impairments included in assessments cycles 2016, 2014, 2012, 2010, 2008 and 2006.

BASIN WATERBODY NAME

WB SIZE (ACRES/MILES) CLASS

2016 MONITORING

STATION NS = Network

DESIGNATED USES AND

CATEGORIES SUMMARY

Notes POTENTIAL POLLUTION

SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO GUAJATACA LAGO

GUAJATACA PRNL3A1

1000 ac 2.6 mi

SD NS 10720 10790

10790C

4a 4a 5 1 G Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Package plant (small flows)(0230)








LAGO DOS BOCAS PRNL17A1

634 ac 6.9 mi

SD NS 25110 27090

27090E

4a 4a 5 5 K, M Agriculture (1300) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)






Arsenic (0510) Copper (0530) Cyanide (0720) Low Dissolved Oxygen (1200) Surfactants (0400)


LAGO CAONILLAS PRNL27C1

700 ac 11.8 mi

SD NS 89001 89002 89003









- 274 -

Table 57: 2016 Cycle 303(d) List – List of Lakes Note: The 2016 303(d) List is comprised of the impairments included in assessments cycles 2016, 2014, 2012, 2010, 2008 and 2006.



2016 MONITORING


DESIGNATED USES AND

CATEGORIES SUMMARY


SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO GRANDE DE ARECIBO

LAGO GARZAS PRNL37A3

108 ac 2.7 mi

SD NS 20050






Pesticides (0200)



LAGO GUINEO PRNL18C1

54 ac 1.7 mi

SD NS

89008


Not monitored during this cycle

Not monitored during this cycle



Pesticides (0200)



LAGO MATRULLAS PRNL28C1

77 ac 3.0 mi

SD NS 89009 89010






pH (1000)


- 275 -




2016 MONITORING


DESIGNATED USES AND

CATEGORIES SUMMARY


SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO DE LA PLATA LAGO DE LA

PLATA PREL110A1

560 ac 15.0 mi

SD NS 44400 44950

44950C

4a 4a 5 5 B, K Collection system failure (0500) Confined Animal Feeding Operations (1640) Landfills (6300) Onsite Wastewater Systems (6500)

Low Dissolved Oxygen (1200) pH (1000) Total Phosphorus (0910) Turbidity (2500)





Arsenic (0510) Cyanide (0720) Low Dissolved Oxygen (1200) Total Phosphorus (0910)

RIO DE LA PLATA LAGO CARITE PREL210A5

333 ac 11.3 mi

SD NS 39900 39950

39950C








- 276 -




2016 MONITORING


DESIGNATED USES AND

CATEGORIES SUMMARY


SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO BAYAMON LAGO CIDRA

PREL12A2 268 ac 8.3 mi

SD NS 89029 89030 89031

4a 4a 5 1 G Collection system failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500)







RIO GRANDE DE LOIZA

LAGO LOIZA PREL14A1

713 ac 7.2 mi

SD NS 57500 58800

58800D

4a 4a 5 5 C Collection System Failure (0500) Confined Animal Feeding Operations (1640) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)







- 277 -




2016 MONITORING


DESIGNATED USES AND

CATEGORIES SUMMARY


SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO GRANDE DE PATILLAS

LAGO PATILLAS PRSL43A1

312 ac SD NS 89022 89023 89024








QUEBRADA MELANIA

LAGO MELANIA PRSL50A

35 ac SD NS 89026




Pesticides (0200)

RIO JACAGUAS LAGO GUAYABAL PRSL160A1

373 ac 5.9 mi

SD NS 89011 89012 89013

4a 4a 5 5 G Agriculture (1300) Collection System Failure (0500) Onsite Wastewater Systems (6500)







RIO JACAGUAS LAGO TOA VACA PRSL260A1

836 ac 31.5 mi

SD NS 89014 89015 89016








- 278 -




2016 MONITORING


DESIGNATED USES AND

CATEGORIES SUMMARY


SOURCES


(assessment cycles)

R1 R2 AL DW 2016 2014 2012 2010 2008

2006

Parameter in

italic and color

noncompliance

in 2004, but

compliance in

2006 RIO BUCANA-CERRILLOS

LAGO CERRILLOS PRSL62A1

700 ac SD NS 89032 89033 89034

4a 4a 5 1 L Urban Runoff/Storm Sewers (4000)







RIO YAUCO LAGO LUCHETTI PRSL68A1

266 ac 14.0 mi

SD NS 89017 89018 89019








RIO LOCO LAGO LOCO PRSL69A

69 ac 1.5 mi

SD NS 89021C

4a 4a 5 1 G Onsite Wastewater Systems (6500)







LAGO GUAYO PRWL83H

285 ac 12.7 mi

SD NS 89004 89005 89006








Notes: B - Watershed that has an approved TMDL for Río de la Plata, the TMDL was approved on September 2003, the pollutant was Fecal Coliforms. C - Watershed that has an approved TMDL for Río Grande de Loíza, the TMDL was approved on September 2007, the pollutant was Fecal Coliforms. G - Watersheds that have approved TMDL on September 2012, the pollutant was Fecal Coliforms. K – Remains in 2016 303(d) List due to old segmentation evaluation. L- Watersheds that have approved TMDL on September 2011, the pollutant was Fecal Coliform.


- 279 -

M - Watersheds that have an approved TMDL on September 2010, the pollutant was Fecal Coliforms. The watersheds are Río Grande de Arecibo, Río Grande de Manatí, Río Grande de Añasco Río Culebrinas. R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life DW - Raw Source for Drinking Water


- 280 -

Table 58: Size of Waters Impaired by Causes Coastal Shoreline

Causes of Impairment Size of Waters Impaired (miles)

Arsenic (0510) 7.79 Copper (0530) 7.79 pH (1000) 201.14 Low Dissolved Oxygen (1200) 334.20 Thermal Modifications (1400) 99.56 Enterococcus Bacteria (1700) 126.30 Fecal Coliforms (1700) 15.62 Turbidity (2500) 391.92 Oil and Grease (1900) 82.42


- 281 -

Table 59: 2016 Cycle 303(d) List – List of Coastal Shoreline Note: The 2016 303(d) List is comprised of the causes of impairments included in assessment cycles 2016, 2014, 2012, 2010, 2008 and 2006.

Assessment Unit ID (AU)

Size of AU

(miles) Cla

ss

Station EQB Network and ED= External Data

Designated Uses and

Categories Summary

Not

es

Potential Sources of Pollution

Causes of Impairment (assessment cycles)

R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRNC01 (Punta Borinquén to Punta Sardina)

11.75 SB NS SBZ-003, SBZ-004,SBZ-005, MAC-044

1 1 5 Onsite Wastewater Systems (6500)


PRNC02 (Punta Sardina to Punta Manglillo)

14.10 SB NS MAC-086, SBZ-006, MAC-047






Enterococcus Bacteria (1700)

PRNC03 (Punta Manglillo to Punta Morrillos)

9.65 SB NS SEG3-01 SBZ-007



PRNC04 (Punta Morrillos to Punta Manatí)

13.66 SB NS MAC-049, SBZ-008,SBZ-009, MAC-055



Turbidity (2500)

Turbidity (2500)

PRNC05 (Punta Manatí to Punta Chivato)

7.46 SB NS SEG5-01 SBZ-010

1 1 5 Unknown Source (9000)



- 282 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRNC07 (Punta Puerto Nuevo to Punta Cerro Gordo)

5.05 SB NS SEG7-01 MAC-088, RW-17



PRNC08 (Punta Cerro Gordo to Punta Boca Juana)

7.32 SB NS SBZ-013, SBZ-014, RW-18, MAC-061


Turbidity (2500) Low Dissolved Oxygen (1200)

pH (1000)

PREC09 (Punta Boca Juana to Punta Salinas)

5.78 SB NS MAC-077 RW-19




pH (1000)

PREC10B (Punta Salinas to Rio Bayamón Mouth)

2.91 SB NS MAC-063





Turbidity (2500)

PREC10C (Rio Bayamón Mouth to Isla de Cabras)

6.63 SC NS SEG10C-01 SEG10C-02



Turbidity (2500)


- 283 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PREC11 (Isla de Cabras to Punta del Morro)

7.79 SC

5 5 5 I Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Minor Municipal Point Sources (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)

Arsenic (0510) Copper (0530) Fecal Coliforms (1700) Low Dissolved Oxygen (1200)

PREC12 (Punta del Morro to West side of Condado Bridge)

3.50 SB NS SBZ-018, SBZ-019, 20B, RW-20A ED CariCoos Buoy B-

1 1 5 P Urban Runoff/Storm Sewers (4000)

pH (1000)

PREC13 (East side of Condado Bridge to Punta Las Marías)

4.31 NS B-1, B-2

1 1 5 Urban Runoff/Storm Sewers (4000)


PREC14 (Punta Las Marías to Punta Cangrejos)

4.19 SB NS EB-40, SEG14-01, SEG 14-02, B-3, RW-21, RW-21C

1 1 5 Marinas and Recreational Boating (7900) Urban Runoff/Storm Sewers (4000)

Turbidity (2500) Turbidity (2500)

pH (1000)


- 284 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PREC15 (Punta Cangrejos to Punta Vacía Talega)

6.23 SB NS SBZ-024, SBZ-026



PREC16 (Punta Vacía Talega to Punta Miquillo)

9.46 NS SBZ-027, SBZ-028



PREC17 (Punta Miquillo to Punta La Bandera)

8.41 SB NS SEG17-01 MAC-009, RW-1A, RW-1C




PREC18 (Punta La Bandera to Cabezas de San Juan)

10.46 SB NS SBZ-030, MAC-010, RW-2





PREC19 (Cabezas de San Juan to Punta Barrancas)

7.08 SB NS MAC-078



Low Dissolved Oxygen (1200) Oil & Grease (1900) Turbidity (2500)




- 285 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PREC20 (Punta Barrancas to Punta Medio Mundo)

5.33 SB NS SEG20-01 SEG20-02



PREC23 (Isla Cabras to Punta Cascajo)

8.83 SB NS SEG23-01

1 1 5 Major Industrial Point Sources (0110) Marinas and Recreational Boating (7900)


PREC24 (Punta Cascajo to Punta Lima)

9.07 SB NS SEG24-02

1 1 5 Major Industrial Point Sources (0110) Upstream Impoundment (7350)


PREC25 (Punta Lima to Morro de Humacao)

9.83 SB NS SEG25-01 MAC-080, MAC-081, RW-4






PREC26 (Morro de Humacao to Punta Candelero)

1.84 SB NS SEG26-01


Turbidity (2500)

PREC27 (Punta Candelero to Punta Guayanés)

3.74 SB NS SEG27-01



Enterococcus Bacteria (1700) Fecal Coliforms (1700) Turbidity (2500)


- 286 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PREC28C (Punta Guayanés to Punta Quebrada Honda)

4.68 SC NS MAC-012, MAC-013, SBZ-037



Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Turbidity (2500)



Turbidity (2500)

PREC28B (Punta Quebrada Honda to Punta Yeguas)

0.74 SB NS SBZ-038



PREC29 (Punta Yeguas to Punta Tuna)

4.35 SB NS SEG29-02 SEG29-01



PREC30 (Punta Tuna to Cabo Mala Pascua)

2.65 SB NS MAC-082





PRSC31 (Cabo Mala Pascua to Punta Viento)

4.06 SB NS SEG31-01


Enterococcus Bacteria (1700) Low Dissolved Oxygen (1200)

Enterococcus Bacteria (1700) Fecal Coliforms (1700)

PRSC32 (Punta Viento to Punta Figuras)

6.16 SB NS SBZ-040, RW-6, MAC-083, RW-7







- 287 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRSC33 (Punta Figuras to Punta Ola Grande)

8.10 SB NS SEG33-01 MAC-017






Turbidity (2500)

PRSC34 (Punta Ola Grande to Punta Petrona)

40.96 SB NS SEG34-01 SEG34-02 MAC-019, ED - Stations 09, 10, 19 and 20 from Natural Reserve of Jobos Bay

5 5 5 P Agriculture (1050) Major Industrial Point Sources (0110) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storms sewers (4000)


Low Dissolved Oxygen (1200) Oil & Grease (1900) pH (1000) Thermal Modifications (1400) Turbidity (2500)



Turbidity (2500)

PRSC35 (Punta Petrona to Punta Cabullones)

16.19 SB NS SEG35-01 SEG35-02 MAC-020 ED - CariCoos Buoy A

5 5 5 P Major Municipal Point Source (0210) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)






- 288 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRSC36B (Punta Cabullones to Punta Carenero)

2.53 SB NS SEG36B-01


Turbidity (2500)

PRSC36C (Punta Carenero to Punta Cuchara)

6.70 SC NS MAC-022, MAC-023


Turbidity (2500) Enterococcus Bacteria (1700) Oil & Grease (1900) pH (1000) Turbidity (2500)

Low Dissolved Oxygen (1200) pH (1000) Thermal Modifications (1400)

PRSC37B (Punta Cuchara to Cayo Parguera)

3.30 SB MAC-084 1 1 5 Surface Mining (5100) Urban Runoff/Storm Sewers (4000) Upstream Impoundment (7350) Unknown Source (8600)

Turbidity (2500) Thermal Modifications (1400)


- 289 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRSC37C (Cayo Parguera to Punta Guayanilla)

4.20 SC NS MAC-24 MAC-25

1 1 5 Highway/Road/Bridge Construction (3100) Major Industrial Point Sources (0110) Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Surface Mining (5100) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


Oil & Grease (1900) Turbidity (2500)

PRSC38 (Punta Guayanilla to Punta Verraco)

13.20 SC NS MAC-027, MAC-089, MAC-028

5 5 5 Major Municipal Point Sources (0210) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)


Enterococcus Bacteria (1700) Oil & Grease (1900) Thermal Modifications (1400) Turbidity (2500)




PRSC39 (Punta Verraco to Punta Ballena)

6.41 SB NS Seg39-01 MAC-030, G1


Turbidity (2500)


- 290 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRSC40 (Punta Ballena to Punta Brea)

13.26 SB NS MAC-085, RW-9, MAC-034

1 1 5 Marinas and Recreational Boating (7900) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)


Turbidity (2500)


PRSC41B1 (Punta Brea to Bahía Fosforescente La Parguera)

10.93 SB NS SEG41B1-01 SBZ-045, RW-10, RW-10A, RW-10B


Turbidity (2500)

PRSC41B2 (Bahía Fosforescente La Parguera to Punta Cueva de Ayala)

7.00 SB NS Seg41B2-01 SBZ-046 ED - Station MGIP4 from NOAA, & CariCoos

1 1 5 P Landfill (6300) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



PRSC41B3 (Bahia Monsio José to Faro de Cabo Rojo)

13.45 SB NS SEG41B3-01 SEG41B3-02




- 291 -



Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRWC42 (Faro de Cabo Rojo to Punta Águila)

2.89 SB NS SEG42-01



PRWC43 (Punta Águila to Punta Guaniquilla)

9.54 SB NS SBZ-047, RW-12A, RW-12B, SBZ-048, RW-14A, MAC-037, RW-13

1 1 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Minor Municipal Point Source (0220) Onsite Wastewater Systems (6500)


Thermal Modifications (1400) pH (1000)

PRWC44 (Punta Guaniquilla to Punta La Mela)

2.50 SB NS SBZ-050, RW-8, SBZ-051


Turbidity (2500)

PRWC45 (Punta La Mela to Punta Carenero)

2.95 SB NS SEG45-01

5 5 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500)


PRWC46 (Punta Carenero to front of Cayo Ratones)

4.00 SB NS SBZ-052

1 1 5 Collection System Failure (0500) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500) Urban Runoff/Storm Sewers (4000)



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Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRWC47 (In front of Cayo Ratones to Punta Guanajibo)

3.85 SB NS SEG47-01


pH (1000)

PRWC48 (Punta Guanajibo to Punta Algarrobo)

5.60 SC NS MAC-038, MAC-040



Enterococcus Bacteria (1700) Oil & Grease (1900) Thermal Modifications (1400) Turbidity (2500)


Enterococcus Bacteria (1700) pH (1000)


PRWC49 (Punta Algarrobo to Punta Cadena)

6.98 SB NS SEG49-01 MAC-041, RW-15

1 1 5 Major Municipal Point Sources (0210) Onsite Wastewater Systems (6500) Upstream Impoundment (7350) Urban Runoff/Storm Sewers (4000)



PRWC50 (Punta Cadena to Punta Higüero)

4.98 SB NS SBZ-054, RW-5, SBZ-055

1 1 5 Onsite Wastewater Systems (6500) Upstream Impoundment (7350)


PRWC51 (Punta Higüero to Punta del Boquerón)

6.14 SB NS SEG51-01 SEG51-02 RW-22


Turbidity (2500)


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Size of AU

(miles) Cla

ss


Designated Uses and

Categories Summary

Not

es



R1 R2 AL 2016 2014 2012 2010


and color

noncompliance in

2006, but

compliance in 2008 PRWC52 (Punta del Boquerón to Punta Borinquén)

6.80 SB NS MAC-043, SBZ-002, RW-16, RW-16A



PRCC53 (Culebra Island)

32.70 SB 3 3 5 I Debris and Bottom Deposits (8520) Hazardous Waste (6600) Marinas and Recreational Boating (7900) Onsite Wastewater Systems (6500)

Turbidity (2500)

Note: I - If the Monitoring Station column is left blank, the Assessment Unit was not monitored for 2016 cycle. P - External data

R1 - Primary Contact Recreation R2 - Secondary Contact Recreation AL - Aquatic Life


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APENDIX II - Implementation of the Clean Water Act 303(d) Program

Vision Long – Term Vision


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Implementation of the Clean Water Act 303(d) Program Vision Long – Term Vision Introduction

In December 2013, Environmental Protection Agency (EPA) announced a new framework for implementing the Clean Water Act (CWA) Section 303(d) Program – A long-term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program. This new vision, encourage states and territories to develop tailored strategies to implementation CWA 303(d) responsibilities of their overall water quality goals and individuals states priorities. Recognizing each State is unique, EPA expects that States will vary in the extent to which and how they implement the goals of the Vision, depending on particular circumstances and water quality goals of the State. To support State and EPA discussions on re-orienting CWA 303(d) Program responsibilities consistent with the Vision, EPA is providing additional information for States to consider when implementing the Prioritization, Engagement and Alternative Goals. EPA and States jointly identified these topics as warranting further clarification to promote timely implementation of the Vision and submittal and review of States' 2016 Integrated Reports. EPA anticipates working closely with the States on these issues as States move forward with developing their Integrated Reports. Long-term Prioritization from 2016 to 2022

Consistent with the new EPA’s vision, Puerto Rico Environmental Quality Board (PREQB) identify those assessment units (AU) for priority restoration and protection activities. This prioritization provides a framework to focus the location and timing for the development of, alternative restoration, protection plans and TMDLs. Those alternatives should include:

Identification of specific impairment addressed by an alternate approach. Planning, development and implement effectiveness monitoring programs. Revisions, and amendments to the existing regulations.

Recently, PREQB update its Non-Point Source Management Program (NPSMP). One of the most important parts of this NPSMP is the development and implementation of a Priority System. This Priority System will be used as a priority based system in the long-term vision of the assessment restoration and protection under the CWA section 303(d). The main purpose will be standardizing the priority systems and the basic criteria used for a more effective assessment of island’s water quality. Priority Ranking Criteria System

The Priority Ranking Criteria System is based on the awarding of points, distributed in 10 criteria, which will identify the priority. To establish the degree of priority for the protection and restoration the evaluation will be by AU. The selected criteria are: 1. Segment Classification (description)


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Under this criterion was established six (6) categories to which a score is assigned considering where it drains the segment into the basin or sub-basin. The highest score in this criteria is awarded to the lake itself and in descending order to its tributaries according to its draining on the basin or sub-basin. Each AU will be classified as follow:

Stream or Channel not related to river or lakes Tributary of main river not flowing into a lake Main river not flowing into lake Tributary of the main river, which flows into a lake Main river which runs into a Lake Lake

2. Population Density

The population density is an important criterion to determine which segments are in the greatest need for protection in relation to each other. The relationship of people with respect to the surface space they occupy an area allows us to anticipate where we can find more activity that involves activities with a potential impact on the basins or sub-basins. The ranges of population density used are the following:

160-499 500-749 750-999 1,000-1,349 1,350-2,999 3,000-9,1000

3. Mean Annual Rainfall

Precipitation generates run-off waters that run on the ground, which have the potential to drag and transport sediment and other pollutants into waterbodies. Those areas in which the precipitation is high, have a greater potential impact on surface water (AU). Therefore, as part of the prioritization system is included the mean annual rainfall as a criterion to assign the priority level of protection of AU. For this criteria were established five classification based on ranges that are shown below:

35-49 in 50-69 in 70-89 in 90-99 in 100 in or more


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4. Predominant Special Activities The surface water that are impacted, sometimes can be associated to certain contaminant activities. Those activities that are related to specific pollutants have been identified and included under predominant activities criteria. This criterion is intended to give priority to surface water with such activities present in the AU. The classification established are the following:

Agriculture Industrial

5. Monitory Station

Monitoring stations are essential to gather data on water quality and keep it updated. The lack of water quality data, limits the analysis and monitoring that can be performed on a waterbody. The existence of a sampling station is essential to carry out successfully the monitoring of the AU. Therefore, this approach is essential in determining whether it is potential candidate or not to be protected. The criteria of monitoring station will be:

Exist Do not exist

6. Known Potential Pollution Source The potential pollution sources, affect significantly the water quality. The recognition of knowns potential pollution sources on the watershed or sub- basin, imparts a greater certainty in the prioritization process. Therefore, the identification of that sources, will allow to establish the priority order to protect the AU as needed. The classification under this criterion are the following:

Superfund Site Non active landfill Active landfill Underground storage tanks (UIC) Wastewater pump stations (Bypass) CES projects Livestock Enterprises Presence of communities without sanitary sewerage

7. AU frequency on 303(d) List

This criterion was based on the analysis of the 2014 303(d) list. The value of percentage ranges increases according to the frequency the AU was included in the 303(d) List in each evaluation cycles.


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100-90% 89-80% 79-70% 69-60% 59-0%

8. Priority Watersheds

It will be considered if the AU is part of one of the 18 priority watersheds identified in the Puerto Rico Unified Watershed Assessment and Restoration Activities (PRUWA) document.

9. Sensitives Natural Area

The presence of sensitive areas in an AU is a criterion that is also important to consider as a matter of priority, since runoff can impact it with many potential pollutants. Therefore, we establish the following criteria:

None Proposed area for conservation Designed Natural Reserve Natural Reserve designed with proposed area for conservation

10. Water intake from Puerto Rico Aqueduct and Sewer Authority (PRASA)

Water Intakes in the AU will be taken in consideration as a priority criterion.

11. Valuable Coral Reef Areas (Coastal Sensitive Area)

Assessments units that drains to an area identified as valuable coral threatened areas will be established as priority criteria to be manage with a higher priority. On this criterion are considered two categories: For coral reef areas, PREQB took in consideration the information of the National Oceanic and Atmospheric Administration and DNER.

AU do not drain to a valuable coral reef area (No) AU drains to a valuable coral reef area (Yes)

Detail Point of the Priority Ranking System

In order to establish the priority ranking each one of the AU for the inland waters was evaluated considering the following point system (Table 60).


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Table 60: Detailed Point System Criteria Detailed and element Points

1. Segment Clasification Stream or Caño not related to river or lakes 1 Tributary of a main river not flowing into a Lake 2 Main river not flowing into a Lake 3 Tributary of the main river, which flows into a lake 4 Main river which runs into a Lake 5 Lake 6

Points to be considered in the percentage calculation 6 2. Population Density

160-499 1 500-749 2 750-999 3 1,000-1,349 4 1,350-2,999 5 3,000-9,100 6

Points to be considered in the percentage calculation 6 3. Mean Annual Rainfall

35-49 in. 1 50-69 in. 2 70-89 in. 3 90-99 in. 4 100 in or more 5

Points to be considered in the percentage calculation 5 4. Predominant Special Activities

Industrial 1 Agriculture 2

Points to be considered in the percentage calculation 3 5. Monitory station

No 0 Yes 2

Points to be considered in the percentage calculation 2 6. Known Potential Pollution Sources

Superfund Site 1 Non active landfills 2 Active landfill 3 Underground storage tanks (UIC) 4 Wastewater pump stations (Bypass) 5 CES projects 6 Livestock Enterprises 7 Presence of communities without sanitary sewerage 8

Points to be considered in the percentage calculation 36


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Criteria Detailed and element Points 7. AU frequency on 303 (d) List

0% (not listed) 0 1-59% 1 60-69% 2 70-79% 3 80-89% 4 90% or more 5

Points to be considered in the percentage calculation 5 8. Priority Watersheds

No 0 Yes 2

Points to be considered in the percentage calculation 2 9. Sensitive Natural Area (Ecological sensitive area)

None 0 Proposed area for conservation according to Planning Board 2 Designed Natural Reserve 4 Designed Natural Reserve with Proposed area for conservation 6

Points to be considered in the percentage calculation 6 10. Water intake from AAA

None 0 1 2 2 4 3 6 4 or more 8

Points to be considered in the percentage calculation 8 11. Valuable Coral Reef Areas (Coastal Sensitive Area) AU do not drains to a valuable coastal area (No) 0 AU drains to a valuable coastal area (Yes) 5 Points to be considered in the percentage calculation 5 TOTAL POINT TO CALCULATE PRIORITY PERCENTAGE 84

Once the evaluation is completed for each one of the assessment unit; to summarize the priority order in which the AU will be address the following categories were established:

High Priority (H): are assessment units that have a ranking between 100 to 70 percentages (adjusted). Moderate Priority (M): are assessment units that have a ranking between 70 to 32 percentages (adjusted) Low Priority (L): are assessment units that have a ranking between 32 to 0 percentages (adjusted).


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Others Consideration for Prioritization

Phosphorus impairments

Due to the fact that the nutrient criteria are much needed for rivers and stream as endpoint for developing TMDL, PREQB had intended to adopt rivers and streams nutrient criteria first. It is likely that the criteria will be adopted for all water of appropriate classes, islandwide. PREQB amended the Puerto Rico Water Quality Standard Regulation (PRWQSR) to incorporate the new standards for Total Phosphorus and Total Nitrogen applicable to the rivers and streams of PR. It was adopted on August 19, 2014. Actually, PREQB is in the process of complete the development and adoption of the numeric nutrient criteria (TP and TN) for lakes/reservoirs. The development of the Puerto Rico Nutrient Standard Plan (PRNSP) describes the approach to addressing nutrient over-enrichment, along with the plan to refine its current nutrient criteria in response to the USEPA requirements that states/territories adopt nutrient criteria for their waterbodies. However, in addition to those AU identified by the priority system the following AU will be included as part of the priority watersheds for the parameter of Phosphorus (Table 61): Table 61: Additional AU due to Phosphorus Impairments

ASSESSMENT UNIT CAUSES NAME PRER14H Phosphorus PRSR67A Phosphorus PRSR68A1 Phosphorus PRWR94A Phosphorus

San Juan Bay Estuary System The AU (PREE13A2) will be considered as priority, it’s belongs to the San Juan Estuary System. This Estuary was designated in 1992 as part of National Estuary Program for which it’s developed the Comprehensive Conservation and Management Plan (CCMP), to improved and maintain the integrity of the San Juan Bay Estuary and its designated uses (Table 62). Table 62: AU of the San Juan Bay Estuary System

Long-Term Priorities AU The PREQB uses the river basins system for planning activities and implementation of restoration efforts. In order to achieve these efforts in a more effective manner, we have replaced the old

AU ID CAUSES OF IMPARMENTS PREE13A2 Dissolve Oxygen, Ammonia, Oil and Grease,

pH, Thermal Modification, Total Coliforms, Turbidity, NO2+NO3, Surfactants, Lead, Copper, Cyanide


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system based on the segmentation of small portions of rivers and individual creeks by basin segmentation system that has been implemented since the 2006 reporting cycle. The non-contributions basins are those areas, contribute to the coastal shoreline instead of the inland waters. Under this system, each main river basin it is divided in assessment units that consist of complete sub-basins. The smaller river basins have been maintained as a single assessment unit or, at the most, it may be segmented in two assessment units. A total of 194 AU for rivers and streams water bodies; 18 AU for the lakes or reservoirs; and 62 for estuaries (Please refers to Table 63) are delimited in the inland water off Puerto Rico. Table 63: AU and water bodies size per Type of Water body WATER BODY TYPE ASSESSMENT UNITS SIZES OF WATER TYPE Rivers/Streams 194 5,052.8 miles Lakes/Reservoirs 18 7,323 acres Estuary 62 3,430.3 acres

After evaluated each one of the AU taking in consideration the criteria and the other considerations above mentioned the AU included in Table 5 are the long term priorities areas. Integrated alternatives approaches

Following the alternatives approaches that will be considered to restore and protect impaired waterbodies.

1. Improve Monitoring Strategy

Parameters such as: Arsenic and Cyanide recently have changes in the water quality standard adopted in the PWQSR. Therefore a specific monitoring plan needs to be develop and implement in each one of the AU that includes parameters such as: arsenic, cyanide in order to very if the impairment persists and a restoration plan or TMDL is needed or identified those AU that comply with the water quality standard and therefore and needs to be delisted from the 303 (d) List.

2. Puerto Rico’s Nutrient Plan

This document describes the approach to addressing nutrient over-enrichment, along with the plan to refine its current nutrient criteria in response to the USEPA requirements that states/territories adopt nutrient criteria for their waterbodies. This information will be used as the endpoint in the development of Nutrient TMDL.

3. TMDL development for Nutrient parameter The amendment to the Regulation propitiates the moment to develop specific TMDLs for TP, in the assessment that even with the previous standard were exceeding the standard of the parameter of TP. Also the Regulation amended, leads properly identify the assessment units that are (in the top) in the first places in the priority list to develop TMDLs for TP.

The final outcome will be gather data to identified those AU that accomplished the parameters and therefore support the delist candidate assessment unit from the list 303 (d).


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4. Modifying the Assessment Protocol for the Implementation of the Aquatic Life Criteria in Reservoirs of Puerto Rico

a. Currently all the lakes in PR are included in the list 303 (d) for the parameter of

Dissolved Oxygen (DO). The modification of the protocol implementation for aquatic life will promote the identification of those lakes that under the current protocol do not comply with the parameter of DO. The main objectives are:

i. Assess and identify with greater certainty the lakes that really are impacted by dissolved oxygen.

ii. Develop an appropriate strategy to restore the lakes/reservoirs identified that are impaired for DO.

5. Integrating Other Programs

a. Puerto Rico Non- Point Source Management Program i. This program has among its main objectives integrate the agencies that are

partners in the protection, restoration and management of the environment and natural resources. In addition to integrating all areas of work of the EQB in the effort to work in a unified way, considering the priority areas identified, the intention is to integrate to other agencies in this effort.

ii. Those waters having a high priority (highest priority ranking) will refer to the corresponding PREQB WQA Divisions: ESCD, LEPCD and UICD in order that they can implement their regulatory programs in a strategically effort. Also, the priority will be share with partnerships so they can include it as part of their work plans and thus can direct their efforts (programs, incentives, technical assistance, and outreach activities) to address the highest priority for these waters (please refers to Figure 1).

Figure 34: Federal and State Programs, and partners working together


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iii. This strategy: (1) will enhance the strategically coordinated integration of the permit systems, (2) will enhance coordination and improve efficiency, (3) will improve communications among federal, state agencies and NGOs involved in non-point source management, (4) will identify cooperative activities, (5) will evaluate and promote guidance, and (6) will coordinate programs of federal and local agencies and NGOs to better utilize existing resources. The main goal will be:

1. Disseminate the priorities list of the PREQB so that it can be integrated

into the decision-making of the related agencies and launch a concerted effort integrated in the priority areas.

2. Elaborate a most complete list with the protection and restoration projects or actions conducted in the priority areas.

b. Partnerships Project

i. San Juan Bay Estuary System 1. Assessment Protocol for Conducting Outfall Reconnaissance

Inventory of San Juan Estuary Bay Watershed. a. The scope of work basically is the identification of illicit

discharge outfalls in a sizeable, highly dense populated watershed characterized in a significant portion by the lack of adequate sewage management infrastructure can be particularly challenging. The proposed screening protocol is based on guidelines established by USEPA for detection of illicit discharges. Field screening crews will inventory all recognizable outflows along the stream banks of the stream network of the SJBE. No distinction will be established a priory regarding the nature of the existing outfalls (i.e., pluvial, industrial, sewage). Field screening will be conducted during the “dry” season (as recommended by EPA guidelines) to avoid “dilution” from runoff or groundwater sources. Each identified outfall will be catalogued into a relational database linked to a GIS system. A final color coded classification will be assigned to each outfall as follows: unlikely (green); confirmed suspect (red), and initially evident (black). The field screening efforts will be complemented with a stream water quality assessment component to support watershed restoration efforts once the project is completed. The goal of thus subcomponent of the proposal is to identify critical contributing subbasins (i.e., “hot zones”) that should receive highest priority in future watershed restoration projects. A sampling strategy will be established based on a subbasin delineation assemblage. To further document the existence of sewer cross contamination the study will include a rotational sampling scheme of selected major sub-basins in the San Juan Bay Estuary watershed under high flow (storm events) conditions.


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Long-term Priorities 2016 - 2022 AUs

Table 64 shows the long term vision AU’s 2016-2022 with its corresponding alternative approaches.


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Table 64: Long-term Priorities 2016 - 2022 AUs

WATER BODY NAME AU ID CAUSES OF IMPAIRMENTS AREA SQ miles Approach

RIO GURABO PRER14G1 Copper (0530), Cyanide (0720), Total Coliforms (1700),Turbidity (2500)

32512.22173 50.800346 1, 5a

RIO CAONILLAS PRNR7C1 Arsenic (0510), Cyanide (0720) 23524.998676 36.75781 1, 5a


Cyanide (0720), Pesticides (0200), Total Coliforms (1700), Turbidity (2500)

26498.345459 41.403665 1, 5a

RIO CAGUITAS PRER14I

Cyanide (0720), Surfactants (0400), Thermal Modifications (1400), Total Coliforms (1700), Turbidity (2500

12019.471726 18.780425 1, 5a

RIO LA PLATA PRER10A1 Cyanide (0720), Turbidity (2500) 6762.208267 10.56595 1, 5a

RIO CIBUCO PRNR9A Cyanide (0720), Total Coliforms (1700), Turbidity (2500) 14250.254207 22.266022 1, 5a


Copper (0530), Cyanide (0720), Low Dissolved Oxygen (1200), Turbidity (2500)

10851.784356 16.955913 1, 5a


Copper (0530), Cyanide (0720), Lead (0550), Low Dissolved Oxygen (1200), pH (1000), Surfactants (0400), Turbidity (2500)

15760.761314 24.62619 1, 5a

RIO LA PLATA PRER10A3 Cyanide (0720), Low Dissolved Oxygen (1200), Turbidity (2500) 12896.790193 20.151235 1, 5a

TÚNEL PRNR7A3 Cyanide (0720) 19822.753445 30.973052 1, 5a

RIO LA PLATA PRER10A5 Arsenic (0510), Copper (0530), Cyanide (0720), Lead (0550), 23893.320027 37.333313 1, 5a


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WATER BODY NAME AU ID CAUSES OF IMPAIRMENTS AREA SQ miles Approach Mercury (0560), Surfactants (0400), Turbidity (2500)

RIO GUAYNABO PRER12B Cyanide (0720), Total Coliforms (1700), Turbidity (2500) 12590.494231 19.672647 1, 5a


Arsenic (0510), Copper (0530), Cyanide (0720), Lead (0550), Pesticides (0200), Surfactants (0400), Total Coliforms (1700), Turbidity (2500)

30592.920494 47.801438 1, 5a

LAKE LA PLATA PREL110A1

Arsenic (0510), Cyanide (0720), Low Dissolved Oxygen (1200), Phosphorus (0910)

7938.7658 12.404322 3, 4, 5a

LAKE GUAJATACA PRNL3A1 Low Dissolved Oxygen (1200) 5824.294966 9.100461 3, 4, 5a

RIO TURABO PRER14J

Arsenic (0510), Copper (0530), Cyanide (0720), pH (1000), Surfactants (0400), Turbidity (2500)

19006.0409 29.696939 1, 5a

RIO VALENCIANO PRER14G2 Arsenic (0510), Copper (0530), Cyanide (0720), Surfactants (0400), Turbidity (2500)

12200.5404 19.063344 1, 5a


Copper (0530), Cyanide (0720), Lead (0550), Pesticides (0200), Total Coliforms (1700), Turbidity (2500)

22446.225457 35.072227 1, 5a


Copper (0530), Cyanide (0720), Low Dissolved Oxygen (1200), Turbidity (2500)

7207.74912 11.262108 1, 5a

RIO CIALITO PRNR8B Cyanide (0720), Total Coliforms (1700), Turbidity (2500) 10776.451776 16.838206 1, 5a


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WATER BODY NAME AU ID CAUSES OF IMPAIRMENTS AREA SQ miles Approach RIO GRANDE DE MANATI PRNR8A1 Copper (0530), Cyanide (0720),

Turbidity (2500) 14214.337007 22.209902 1, 5a

RIO ROSARIO PRWR77C Cyanide (0720), Pesticides (0200), Turbidity (2500) 15356.703909 23.99485 1, 5a

RIO LA PLATA PRER10A4 Cyanide (0720), Turbidity (2500)

4187.745159 6.543352 1, 5a

RIO HUMACAO PRER33A

Copper (0530), Cyanide (0720), Lead (0550), Surfactants (0400), Total Coliforms (1700), Turbidity (2500)

14678.023253 22.934411 1, 5a

LAKE LOIZA PREL14A1 Copper (0530), Lead (0550), Low Dissolved Oxygen (1200), Turbidity (2500)

7928.060628 12.387595 3, 4, 5a

RIO GRANDE DE AÑASCO PRWR83A Cyanide (0720), Low Dissolved

Oxygen (1200), Turbidity (2500) 32194.001763 50.303128 1, 5a

LAKE DOS BOCAS PRNL17A1

Arsenic (0510), Copper (0530), Cyanide (0720), Low Dissolved Oxygen (1200), pH (1000), Surfactants (0400)

10734.480607 16.772626 3, 4, 5a

RIO BAIROA PRER14H Phosphorus 5005.816097 7.821588 3

RIO GUAYANILLA PRSR67A Phosphorus 16090.163506 25.14088 3

RIO YAUCO PRSR68A1 Phosphorus 20519.523795 32.061756 3

RIO GUAYABO PRWR94A Phosphorus 8200.426277 12.813166 3


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WATER BODY NAME AU ID CAUSES OF IMPAIRMENTS AREA SQ miles Approach

SAN JUAN BAY ESTUARY SYSTEM PREE13A2

Dissolve Oxygen, Ammonia, Oil and Grease, pH, Thermal Modification, Total Coliforms, Turbidity, NO2+NO3, Surfactants, Lead, Copper, Cyanide

16626.02176 25.978159 5b


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APENDIX - III Public Notice


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APENDIX IV - Environmental Quality Board Determination

Documents

Puerto Rico 305(b)/303(d) Integrated Report