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Page 1: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

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2019 Racine Wastewater Utility

Annual Report

2020 BOARD OF WASTEWATER COMMISSIONERS

MAYOR CORY MASON

THOMAS BUNKER

KATHLEEN DEMATTHEW

JOHN HEWITT

BOB LUI

DARYL LYNAUGH

TERRY MCCARTHY

ROBERT PUCELY

JAMES SPANGENBERG

ALDERMAN NATALIA TAFT

ALDERMAN JOHN TATE II

ALTERNATES:

JAMES PALENICK

THOMAS FRIEDEL

ANTHONY BEYER

ANTHONY BUNKLEMAN

DAN MOORE

GENERAL MANAGER

KEITH E. HAAS

CHIEF OF OPERATIONS

MICHAEL L. GITTER

ADMINISTRATIVE MANAGER

KENNETH M. SCOLARO

SUPERINTENDENT

MARY-FRANCES T. KLIMEK

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CONTENTS

Administration & Employee Information ................................................................................................... 1 Administration & Staff ................................................................................................................... 2 Employees & Classifications ........................................................................................................ 3

Service Area................................................................................................................................................ 4 System Area Map ......................................................................................................................... 5 Lift Station Photos, Addresses ....................................................................................................... 6 Racine Service Area Flow Contributions ..................................................................................... 7 Suburban Community Flows & Wastewater SSR Party Capacity Flows ....................................... 8 Capacity Allocations ................................................................................................................... 9

Compliance Maintenance Annual Report ............................................................................................. 10 Capacity, Management, Operations, and Maintenance Program ..................................................... 13

Capacity, Management, Operations, and Maintenance Program Audit – CMOM ................. 14 Plant Process & Equipment....................................................................................................................... 18

Description of Plant Process & Equipment ................................................................................. 19 Flow Monitoring and Schematic Diagram ................................................................................. 23 Bio Management Program ......................................................................................................... 25

Wastewater Operations ............................................................................................................................ 26 Flow & Precipitation Trends ........................................................................................................ 27 Flow & Precipitation 2019 ........................................................................................................... 30 BOD – TSS - Phosphorus .............................................................................................................. 32 Loading Characteristics Chart ................................................................................................... 33 Summary of Sampling of POTW Influent and Effluent Waterstreams ......................................... 34 Primary & Digested Biosolids ...................................................................................................... 35 Digester Operations.................................................................................................................... 36 Belt Press Summary..................................................................................................................... 37 Gravity Belt Thickener Summary ................................................................................................ 38 Biosolid Metal Analysis ............................................................................................................... 39 Secondary Treatment Data Chart .............................................................................................. 40 Ferric Chloride Summary ............................................................................................................ 41 Sodium Hypochlorite Summary ................................................................................................. 42 Ammonia Summary .................................................................................................................... 43 Liquid Waste Haulers Summary .................................................................................................. 44 Community Inflow and Infiltration Chart .................................................................................... 45

Maintenance & Energy ............................................................................................................................ 46 Energy Independence with Biogas ............................................................................................ 47 Plant Water & Energy Consumption ........................................................................................... 48 Natural Gas and Electrical Consumption & Cost ................................................................... 49 Energy Efficiency Upgrades – LED Savings ................................................................................ 50 Energy Star Scorecard ................................................................................................................ 51 Utility Total Energy Use, Gas Usage ............................................................................................ 52 Electric Usage vs. Flow & Utility Electricity ................................................................................. 53

Laboratory ................................................................................................................................................. 54 Pretreatment ............................................................................................................................................. 56

Pretreatment Review .................................................................................................................. 57 Permitted Industrial Users 2019 .................................................................................................. 59 Summary of Treatment Plant Analytical Mercury Data ............................................................. 60 Mercury Minimization Program .................................................................................................. 61 Community Mercury PMP Score ................................................................................................ 62 Collection Systems and Lift Stations .......................................................................................... 64

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Lift Stations MG, KWH, WE Cost ................................................................................................... 70 Lift Station Equipment & Capacity Summary ............................................................................. 78 Collection System Storage & Capacity Summary ..................................................................... 79

Household Hazardous Waste Program ................................................................................................... 80 HHW Final Report – Summary Sheet ........................................................................................... 81 HHW Participation Data .............................................................................................................. 82

Appendix A ............................................................................................................................................... 83 Adopted Budget ......................................................................................................................... 84 Adopted Operation & Maintenance Budget ............................................................................. 85 Capital Improvement Program 2019-2023 - Adopted .............................................................. 86 Class I & II Charges .................................................................................................................... 88 List of Vehicles ............................................................................................................................ 89

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Michael L. Gitter, P.E.

Chief of Operations

Kenneth M. Scolaro, C.P.A.

Administrative Manager

Chad W. Regalia, P.E.

Chief Engineer

Racine Water and

Wastewater Utilities

Keith E. Haas, P.E.

General Manager

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ADMINISTRATION & EMPLOYEE INFORMATION

Organizational Chart

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ADMINISTRATION & STAFF Administration

Keith E. Haas, P.E., General Manager of the Racine Water & Wastewater Utility. Mr. Haas

joined the Utility August 2000. Mr. Haas has oversight of all functions at the utilities.

Michael G. Gitter, P.E., Chief of Operations. Mr. Gitter was hired in April 2007. He is responsible

for all operations of the Racine Water and Wastewater Utilities and reports to the General

Manager.

Kenneth M. Scolaro, CPA, Administrative Manager. Mr. Scolaro joined the Utility in January

1996 as the Assistant Administrative Manager, and was promoted to Administrative Manager

in April 1998. Mr. Scolaro is responsible for the administration of financial, clerical, and

customer service functions under the direction of the General Manager.

Evelin Garcia, Executive Secretary for the Wastewater Utility managers at the main office in

the City Hall Annex.

Racine Wastewater Treatment Plant Staff

Mary-Frances T. Klimek, Superintendent. Ms. Klimek was named Superintendent effective

January 12, 2015. Between 2005 and 2015, she was the Operations Supervisor. Ms. Klimek is

responsible for the supervision of all functions of the Treatment Plant. She has been employed

with the Utility since 1990.

Andrew E.W. Dennerlein, Laboratory Director. Mr. Dennerlein is responsible for all laboratory

services. He has been with the Utility since May 2018.

Amanda E. Kaminski, Industrial Pretreatment Coordinator & Interim Field Supervisor. Ms.

Kaminski was named the Industrial Pretreatment Coordinator in January 2018. She is responsible for

overseeing the Industrial Pretreatment Program and supervision of the sampling crew. Ms. Kaminski

has been with the Utility since 2011.

Bruce J. Bartel, Maintenance Supervisor. Mr. Bartel is responsible for all mechanical and

grounds maintenance at the Treatment Plant. He has been employed with the Utility since

2006 and was appointed Maintenance Supervisor in June 2011.

Dan R. Mason, Operations Supervisor. Mr. Mason is responsible for process control and shift

operations including solids handling at the Treatment Plant. He was named Operations

Supervisor in May 2018. Mr. Mason has been employed with the Utility since 2011.

Steve P. Stiles, Computer Instrumentation and Controls System Specialist. Mr. Stiles is

responsible for the operations and maintenance of all computers, electronic monitoring

systems and equipment. He has been employed with the Utility since 2019.

Jena K. Kohlman, Administrative Clerk. Ms. Kohlman is responsible for complex and

confidential administrative services, purchasing and financial related duties. She has been

with the Utility since July 2017.

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EMPLOYEES & CLASSIFICATIONS

Last Name First Name Classification Date of HireYears of

Service

Bohl Douglas Mechanic 3/17/2008 11.9

Emmerling Ed Electrician Local #430 8/30/2011 8.5

Felton Brian Bldg & Gr Maint 2/25/2019 1.0

Gable Mark Garage Mechanic IV 2/25/2008 12.0

Gonzalez Emilio Operator 11/30/2009 10.2

Gonzalez Travis Operator 8/17/2015 4.5

Gross Joel Operator 6/18/2018 1.6

Hansen Glenn Mechanic 2/25/2002 18.0

Hassenauer Michael Sample Crew 12/9/2019 0.2

Henkel Barry Operator 4/15/1991 28.8

Hohensee John Operator 10/22/2018 1.3

Johnson Robert Operator 3/28/2016 3.9

Kamps Eric Laboratory Technician 4/29/2013 6.8

Knuth Mark Mechanic 4/16/2012 7.8

Kohlman Jena Clerk 12/29/2011 8.1

Kramer Bobbi Lab Chemist 4/8/1996 23.9

Ledeker Lee Floater Mechanic 5/8/2006 13.8

Moten David Sewer Maintenance 4/8/2009 10.8

Muniz Jamie Lab Chemist 8/29/2008 11.5

Muniz Edward Mechanic 2/27/1984 36.0

Nordgren Warren Operator 1/21/2019 1.1

Nurmi Emily Operator In Training 12/23/2019 0.1

Orth Janet Lab Chemist 2/27/1984 36.0

Pfeffer Jake Mechanic 9/16/2019 0.4

Raffelson Wayne Mechanic 5/3/2004 15.8

Rauch Jamie Sample Crew 12/9/2019 0.2

Reinhold Chris Sample Crew 2/13/2017 3.0

Salinas Mark Operator 5/10/1999 20.8

Smith H. David Lift Station Mechanic 4/11/2005 14.8

Spurlock Walter Operator 12/18/2000 19.2

Stephens Kevin Bldg & Gr Maint 8/13/2012 7.5

Stephens Sebastian Operator 7/11/2005 14.6

Van Swol Owen Sewer Maintenance 11/3/2003 16.3

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SERVICE AREA

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System Area Map

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LIFT STATION PHOTOS, ADDRESSES

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RACINE SERVICE AREA FLOW CONTRIBUTIONS

2019

MG

MG

D%

Pla

nt

Flo

w

TREA

TMEN

T PLA

NT

9,7

89.1

526.8

2484.8

5

LIFT

STA

TIO

N

# 1

5,4

39.8

314.9

055.5

7

LIFT

STA

TIO

N

# 2

202.3

40.5

52.0

7

LIFT

STA

TIO

N

# 3

20.4

00.0

60.2

1

LIFT

STA

TIO

N

# 4

3.0

40.0

10.0

3

LIFT

STA

TIO

N

# 5

43.3

40.1

20.4

4

LIFT

STA

TIO

N

# 6

110.2

70.3

01.1

3

LIFT

STA

TIO

N

# 7

17.3

50.0

50.1

8

LIFT

STA

TIO

N

# 8

181.8

80.5

01.8

6

LIFT

STA

TIO

N

# 9

11.5

10.0

30.1

2

LIFT

STA

TIO

N

# 1

083.9

10.2

30.8

6

LIFT

STA

TIO

N

# 1

13.7

90.0

10.0

4

LIFT

STA

TIO

N

# 1

26.7

20.0

20.0

7

LIFT

STA

TIO

N

# 1

32.7

30.0

10.0

3

LIFT

STA

TIO

N

# 1

46.8

60.0

20.0

7

MO

UN

T PLE

ASA

NT

INTE

RC

EPTO

R:

IND

UST

RIA

L 154.5

90.4

21.5

8

RESI

DEN

TIA

L1,9

27.2

25.2

819.6

9

OTH

ER

IN

TER

CEPTO

R F

LOW

:

RA

CIN

E241.1

50.6

62.4

6

STU

RTE

VA

NT

313.4

70.8

63.2

0

CA

LED

ON

IA (

HW

Y V

)7.3

40.0

20.0

7

TOTA

L IN

TER

.2,6

43.7

77.2

427.0

1

NO

N-I

NTE

RC

EPTO

R:

MO

UN

T P

LEA

SAN

T 612.5

11.6

86.2

6

RA

CIN

E

58.2

60.1

60.6

0

TOTA

L N

ON

-IN

TER

.670.7

71.8

46.8

5

CA

LED

ON

IA1,6

40.3

54.4

916.7

6

NO

RTH

BA

Y4.9

40.0

10.0

5

ELM

WO

OD

PA

RK

11.8

80.0

30.1

2

% A

PPRO

X.

2019

1st

2n

d3rd

4th

MG

TO

TAL

MO

UN

T PLE

ASA

NT

INTE

RC

EPTO

R F

LOW

IND

UST

RIA

L41.2

61

39.2

55

38.4

15

35.6

60

154.5

91

RESI

DEN

TIA

L512.2

24

524.6

02

363.2

90

527.1

05

1,9

27.2

21

OTH

ER

IN

TER

CEPTO

R F

LOW

RA

CIN

E64.9

70

63.0

47

48.3

47

64.7

87

241.1

51

STU

RTE

VA

NT

87.0

30

87.9

80

52.8

80

85.5

80

313.4

70

CA

LED

ON

IA (

HW

Y V

)0.9

70

1.0

31

2.5

88

2.7

51

7.3

40

NO

N-I

NTE

RC

EPTO

R F

LOW

MT.

PLE

ASA

NT

187.1

49

180.0

71

97.4

66

147.8

25

612.5

11

RA

CIN

E21.0

92

18.8

33

7.9

95

10.3

39

58.2

59

CA

LED

ON

IA

454.6

27

456.3

20

289.4

42

439.9

62

1,6

40.3

51

NO

RTH

BA

Y

1.4

11

1.2

71

1.2

18

1.0

42

4.9

42

ELM

WO

OD

PA

RK

3.1

64

2.8

76

2.9

10

2.9

33

11.8

83

TOTA

L (M

ga

l)1,3

73.8

98

1,3

75.2

86

904.5

52

1,3

17.9

84

4,9

71.7

20

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SUBURBAN COMMUNITY FLOWS & WASTEWATER SSR PARTY CAPACITY FLOWS

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CAPACITY ALLOCATIONS

Orig

ina

l Co

nst

ruc

tio

n 1

93

0’s

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COMPLIANCE MAINTENANCE ANNUAL REPORT

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2019 COMPLIANCE MAINTENANCE ANNUAL REPORT – CMAR

The Compliance Maintenance Annual Report (CMAR) has been an annual self-evaluation-

reporting requirement for publicly owned wastewater treatment plants since 1987. The CMAR

program was revised in 1992, in 2005, 2014, and in 2016. Annual submittal of an electronic CMAR

form no later than August 30, 2020 for 2019 is required under Wisconsin Administrative Code NR

208 – Compliance Maintenance Annual Report.

The purpose of the CMAR is to evaluate the wastewater treatment system for problems or

deficiencies. Management, operation and maintenance activities are described. Owners identify

proposed actions to prevent violations of WPDES permits and water quality degradation. The

CMAR program encourages actions that:

Promote the owners’ awareness and responsibility for wastewater conveyance and

treatment needs.

Maximize the useful life of wastewater treatment systems through improved operation &

maintenance.

Initiate formal planning, design and construction to prevent WPDES permit violations.

There are ten sections in the CMAR that apply to the Racine Wastewater Utility. Letter grades (A, B,

C, D, F) are assigned to each section denoting compliance and performance. Section grades of

C, D, and F require comments in the report. Section grades D & F require an action plan on the

part of the Utility to correct deficiencies. An overall grade point average less than 3.00 requires an

action response on the part of the Utility as well. The Utility’s overall grade point average was 4.0.

The report submitted in 2020 is for calendar year 2019.

CMAR Section Summaries and Grades for 2019:

Influent Flow and Loadings: Grade A

This section looks at plant influent loadings and design parameters to determine adequate plant

capacity to treat incoming wastewater.

Effluent Quality BOD: Grade A

This section reviews plant performance and its ability to meet WPDES permit requirements.

Effluent Quality TSS: Grade A

This section reviews plant performance and its ability to meet WPDES permit requirements.

Effluent Quality Ammonia: Grade A

This section reviews plant performance and its ability to meet WPDES permit requirements.

Effluent Quality Phosphorus: Grade A

This section reviews plant performance and its ability to meet WPDES permit requirements.

Biosolids Quality and Management: Grade A

This section looks at biosolids use/disposal, land application sites, biosolids pollutants, pathogen

control, vector attraction reduction, and biosolids storage.

Staffing and Preventative Maintenance: Grade A

This section looks at adequate staffing, recordkeeping, presence of a documented and

implemented preventative maintenance program, as well as a detailed operation and

maintenance manual.

Operator-In-Charge Certification and Education: Grade A

Verification is required to insure that the Operator-In-Charge is certified by the Department of

Natural Resources (NR 114) in all subclasses required for the Racine Wastewater Treatment Plant.

The Operator-In-Charge must be certified at the appropriate level to operate this plant. It must

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also be stipulated that the Operator-In-Charge is maintaining certification by earning the required

continuing education credits.

Financial Management: Grade A

Are User Charges or other revenues sufficient to cover O & M expenses? When was the User

Charge System or other revenue sources last reviewed or revised? Is there a segregated

Equipment Replacement Fund? What are the additions or subtractions to the fund? Future

planning?

Energy Efficiency and Use

Electricity Consumption

Natural Gas Consumption

Energy Related Process and Equipment

Energy Study

Lift Stations

Treatment Plant

Biogas Generation

Sanitary Sewer Collection System: Grade A

Does the Utility have a Capacity, Management, Operation and Maintenance (CMOM)

requirement in our WPDES permit? Is there a documented CMOM program? The report lists

maintenance activities and amount maintained. These activities include:

Sewer cleaning

Flow monitoring

Televising

Lift station O & M

Manhole Inspection and Rehabilitations

The report also looks at performance indicators such as:

Number of sewer pipe failures

Basement backup occurrences

Lift station failures

Complaints

Sanitary sewer overflows

Peaking factor ratios

The collection system grade is highly influenced by the intensity of rainfall events. Many sewer

system overflows (SSO) in the past were the result of high intensity rain events which exceeded

collection system capacity.

The Utility has constructed underground storage basins at Grove Avenue, Ohio Street and

Mt. Pleasant Street in the past decade. Construction of a 2.4 MG holding tank by lift station #2 was

completed in 2019. The Utility will continue its efforts to eliminate safety site overflows in the

collection system. Studies and investigations will continue to better document events that occur to

refine the engineered solution. The Utility will continue to utilize engineering consultants to televise

its collection system and perform lining and replacements. The Villages of Mt. Pleasant, Sturtevant,

and Caledonia are working to identify locations of I&I and address them. The Capital

Improvement Program will be prioritized to address the worst problem areas first to minimize

damage due to basement backups.

Implementation Schedule:

Approve the Storage Optimization Study.

Televise Utility-Owned Interceptor Sewers.

Televise the City-Owned Collection System.

Clean the City Sanitary Sewer Collection System on a 3 year schedule.

Begin project design and construction on additional storage basins.

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Capacity, Management, Operations, and Maintenance Program AUDIT (CMOM)

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CAPACITY, MANAGEMENT, OPERATIONS, AND MAINTENANCE PROGRAM AUDIT – CMOM

The USEPA and WDNR proposed CMOM regulations define CMOM Program Audits as follows:

USEPA: If a Sanitary Sewer Overflow (SSO) that discharges to waters of the United States occurs

from your collection system during the term of this permit, you must conduct an audit appropriate

to the size of the system and the number of overflows. A report of the audit shall be submitted

evaluating your CMOM and its compliance with this subsection, including its deficiencies and

steps to respond to them.

WDNR: Annual self-auditing of your CMOM Program to ensure above components are being

implemented, evaluated, and re-prioritized as needed.

The Racine Wastewater Utility annually prepares and tracks various programs for interceptor and

collection system improvements, including system component replacement or upgrades. Goals

are set for long-term and short-term projects with an assessment made at year end to determine

the Utility’s performance in reaching the goals that are set. The Utility’s annual capital

improvement plan, as well as preventive maintenance programs, is included in defining the

annual goals.

Sanitary Sewer Overflows: The Utility experienced 7 overflows in 2019.

Date Location

Volume

(Gal)

8/2/2019

730 Washington Ave.,

Racine, WI 53403 2,100

9/13/2019 Safety Site 2 201,800

9/13/2019 Safety Site 4 36,800

9/13/2019 Safety Site 6 93,700

9/13/2019 Safety Site 8 17,100

9/13/2019 Safety Site 11 95,200

10/31/2019

3908 Frances Dr.,

Racine, WI 53405 2,600

Basement Backups:

Number of Backups by Type (owner or Utility responsibility)

The Utility responded to 108 calls in 2019. None of these calls were caused by plugs or

surcharged lines. Four (4) of the calls were odor complaints and 104 calls were lateral issues or

internal plumbing issues which are the homeowner’s responsibility.

Utility Response

The Utility’s response is to react immediately to the call, evaluate the situation, and then rectify

the problem as quickly as possible.

Maintenance:

Sanitary Sewers Cleaning Quantity in Feet: 559,207.0 linear feet (41.59 % of the system)

Root Cutting Quantity: 81,028.0 linear feet (6.03 % of the system)

Manhole Inspections: 970 (18.82% of the system)

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These maintenance activities are performed by the Racine Wastewater Utility.

The Wisconsin Department of Natural Resources requires the completion of an annual CMAR as

part of the Utility’s WPDES permit. CMOM program elements are addressed in the CMAR reporting

to the WDNR.

Year

Number of

Overflows

Total Wet

Weather

Events

Quantity

(MG)

Annual

Rainfall

(inches)

2000 20 6 8.673 47.95

2001 20 5 4.478 41.66

2002 1 1 0.496 32.87

2003 0 0 0 27.99

2004 9 4 1.724 41.39

2005 0 0 0 25.68

2006 8 3 1.091 37.73

2007 13 2 3.873 41.72

2008 16 3 11.475 42.49

2009 12 2 3.928 40.83

2010 0 0 0 33.55

2011 0 0 0 34.16

2012 0 0 0 24.96

2013 7 1 4.142 41.42

2014 6 1 2.173 36.41

2015 0 0 0 32.22

2016 0 0 0 35.55

2017 2 1 0.095 38.54

2018 13 2 3.261 46.27

2019 7 1 0.449 48.78

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In the event of an overflow during the course of the year, the CMOM program audit is revised to

address issues related to the overflow and activities being undertaken. All activities that are being

implemented are documented in the audit and results assessed as to the elimination of the causes

of overflows.

Communications: The USEPA and WDNR proposed CMOM regulations define communications as

follows:

USEPA: The permittee should communicate on a regular basis with interested parties on the

implementation and performance of its CMOM program. The communication system

should allow interested parties to provide input to the permittee as the CMOM program is

developed and implemented.

WDNR: Not addressed.

The Racine Wastewater Utility provides wastewater treatment for eight satellite communities as

shown below:

1. City of Racine

2. Village of Mt. Pleasant

3. Village of Caledonia

4. Village of Sturtevant

5. Village of Elmwood Park

6. Village of North Bay

7. Village of Wind Point

8. Town of Somers KR Utility District

The Racine Wastewater Utility, the City of Racine and above listed satellite communities, with the

exception of Town of Somers KR Utility District, North Bay and Elmwood Park, established the

Racine Area Intergovernmental Sanitary Sewer Service, Revenue Sharing, Cooperation, and

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Settlement Agreement in 2002. This agreement is in affect for 50 years. The Utility communicates

on a regular basis with these communities in regard to system capacity as well as infiltration and

inflow reduction. In 2009, a Technical Advisory Committee made up of the contributing

communities met and formulated plans to address system deficiencies.

Monthly Commission Meetings: The Racine Wastewater Utility is governed by an eleven person

Commission. Representatives include the Racine Mayor, six representatives appointed by the

Racine Mayor and confirmed by the Racine Common Council, two representatives from Mt.

Pleasant, one representative from Caledonia, and one from the outlying community with the

largest amount of allocated treatment capacity other than Racine, Mt. Pleasant or Caledonia.

The Commission meets on a monthly basis to decide administrative issues related to finance,

personnel, operations, SSO reduction and elimination, interceptor system improvements, and other

administrative issues. In addition to the Utility Commissioners, the Wastewater Utility General

Manager, Chief of Operations, Superintendent, and Department Supervisors typically attend the

Commission meetings. The Commission meetings are open to the public and local newspapers

routinely attend. Any SSO events or sewer capacity issues are presented and discussed at the

Commission meeting.

SSO Reporting: Sanitary sewer overflows that enter the storm sewer system or open water are

included in a report that is transmitted to the WDNR conforming to the Racine Wastewater Utility’s

WPDES permit. Overflows are reported to all parties in the Utility chain of communication, WDNR,

and affected stakeholders. The Field Operations Supervisor is responsible for the verbal notification

of the WDNR within 24 hours of an overflow event and prepares the documentation for a written

report. A written response is prepared by the Field Operations Supervisor for submittal to the WDNR

within five days of the event with review by the Superintendent, Chief of Operations, and General

Manager. Affected Water Utility owners are notified of the SSOs, along with local media outlets.

The SSO event is also discussed at the monthly Commission meeting.

Annual CMOM Program Audit: CMOM program elements will also be addressed on an annual

basis as part of the Utility’s CMAR reporting to the WDNR. The CMAR and CMOM Program Audit

are included in the Utility’s Annual Report which is provided to all Commissioners, agency

communities, and are available for review to the general public and interested parties.

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PLANT PROCESS & EQUIPMENT

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Description of Plant Process & Equipment The Racine Wastewater Treatment Plant is a conventional activated sludge plant with chemical

phosphorus precipitation, anaerobic sludge digestion, belt filter press dewatering and ultraviolet

disinfection of effluent.

Flow Equalization Basins: The Racine Wastewater Treatment Plant flow equalization basins are

designed to reduce flow to the treatment plant during period of high influent flow. Flows

exceeding 108 MGD (million gallons per day) will be directed to the flow equalization basins.

Wastewater stored in the flow equalization basins is reintroduced into the normal wastewater

stream as plant capacity is available. Influent wastewater which is directed to the basins can be

chlorinated using sodium hypochlorite. This will provide odor control for stored wastewater and

disinfection for any amount that overflows the basins. The effluent from the basins is dechlorinated

before blending with the plant effluent.

Sodium bisulfite is used for dechlorination at the wastewater treatment facility. Liquid sodium

bisulfite is stored in one tank located in the preliminary treatment building. Bisulfite is transferred to

the point of application by chemical metering pumps and enters the equalization basins’ effluent

through diffusers. Dechlorination of equalization basin effluent is provided at the dechlorination

structure located downstream from the two equalization basins. For dechlorination of equalization

basin effluent, the bisulfite pump is flow paced.

Prior to entering the equalization basins, wastewater is screened by mechanically cleaned bar

screens. Wastewater in the basins is returned to the treatment flow scheme by gravity and by

pumping. It can be returned to the headworks for full treatment, the aeration basins for secondary

treatment, or to the digesters for sludge handling. Both equalization basins are 200 feet in diameter

and have a storage capacity of 2.7 million gallons each.

Flow: The wastewater flow enters the headworks of the plant through 84” and 72” diameter lines.

The design average flow is 36 MGD. From the headworks junction chamber, two 54” diameter

pipes direct the flow into the preliminary treatment building.

Mechanically Cleaned Bar Screens and Washing Presses: The preliminary treatment building

contains four (4) bar screens, each with a rated maximum capacity of 35.0 MGD. The spacing

between the individual bars in one-half inch. Course sewage material is captured and removed

from the flow to prevent plugging of pumps and unnecessary wear on downstream equipment.

Each bar screen has a washing press to reduce organic content, moisture content and volume of

screenings.

Vortex Grit Removal Equipment: Two vortex grit removal units rated at 70

MGD each remove coarse abrasive inorganic material continuously from

the screened wastewater flow.

Grit Concentrators: Two grit concentrators remove water and organics

from the material pumped to them from the vortex grit removal system.

Primary Influent Channel Blowers: Two Hoffman blowers (100 HP) with a capacity of 2500 CFM are

used to keep solids in suspension until the flow reaches the primary clarifiers. This aeration also

helps with odor control.

Chemical Feed and Storage for Phosphorus Removal: Phosphorus must be removed from

wastewater to eliminate this major source of the primary nutrient required for the growth of algae

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in Lake Michigan. Three 12,000 gallon fiberglass tanks store ferric chloride which is used to form

insoluble ferric phosphates with the soluble phosphates in the raw wastewater. Ferric chloride can

be fed before primary clarifiers, after primary clarifiers, and prior to final clarifiers.

Primary Clarifiers: There are a total of 12 primary clarifiers. Six clarifiers are considered west bank

and the other six are the east bank clarifiers. Four west bank clarifiers are 137.5 feet long by 34.5

feet wide by 10.5 feet deep. The other two west bank clarifiers are 122 feet long by 28 feet wide

by 10.5 feet deep. The east bank of primary clarifiers has four clarifiers that are 120 feet long by 38

feet wide by 8 feet deep. The other two east bank clarifiers

are 128 feet long by 30 feet wide by 10.5 feet deep. Total

primary clarifier capacity is 3.7 million gallons. Average

detention time in the primary clarifiers is 3.6 hours at 25

MGD. Mechanical scrapers push sludge to pits for removal

by pumping to the digesters. These same scrapers also

push the scum to troughs that enable the scum to be

pumped to the digesters.

Anaerobic Digesters: Racine Wastewater utilizes four (4) one-million gallon capacity digesters.

Sludge from the primary clarifiers and thickened waste activated sludge (TWAS) is pumped to the

digesters. Mechanical mixers keep the organic material in contact with the anaerobic organisms.

Heat exchangers provide heat to ensure that temperature is maintained at 95 degrees Fahrenheit.

Through anaerobic bacterial action, sludge is decomposed and converted into a more stable

product. Methane gas (biogas) is produced as a by-product of this decomposition. Biogas is used

as a fuel supply for large internal combustion engines and boilers. Approximately 200,000 cubic

feet of biogas is produced daily.

Holding Tank for Belt Filter Press Operation: One (1) fixed cover tank with a volume of 552,000

gallons is used as part of the sludge dewatering operation. After primary digestion, sludge is

transferred to the holding tank.

Gas Storage Sphere: The gas produced in the digesters as a by-product of the

digestion process consists mainly of methane and carbon dioxide. It is used as

fuel for the engine driven blowers and in the boilers for building and sludge

heating. Since gas production and usage is not uniform in rate, a gas storage

sphere is used during periods when demand is greater than production. The

sphere is 40 ft. in diameter, providing storage at 50 psi for 200,000 cubic feet of

digester gas. If gas production exceeds capacity, the gas is routed and

burned by a safety device.

Aeration Tanks: The aeration tanks are two (2) pass tanks, each pass

measuring 168 feet by 30 feet by 15 feet. The total volume of five (5)

aeration tanks equals 5.65 million gallons. The aeration system can be

operated in several modes. Currently the conventional activated sludge

process is being used. It consists mainly of microbiological organisms

(bugs) and organic material (wastewater). The contents are mixed by

the introduction of air through 10,000 (9 inch diameter) fine bubble

diffuser discs located along the length of each tank. The air also provides

a supply of oxygen for the microorganisms which feed and multiply on

organic materials contained in the wastewater. The resulting mixed liquor

is transferred from the aeration tanks to the final clarifier tanks where

settling occurs followed by return pumping microorganisms to the

aeration tanks or waste pumping of excess organisms.

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Aeration Control Buildings: These buildings house the controls for the pumps and equipment

involved with the aeration system.

Air Blowers:

Three (3) Engine Driven Blowers:

#2 Engine 380 HP, Blower Capacity 9,600 CFM at 8.2 psig

#3 Engine 675 HP, Blower Capacity 15,000 CFM at 8.5 psig

#5 Engine 440 HP, Blower Capacity 9,600 CFM at 8.2 psig

Two (2) Motor Driven Blowers:

#1 Motor HP 500, Blower Capacity 11,000 CFM at 8.5 psig

#4 Motor HP 300, Blower Capacity 6,900 CFM at 8.5 psig

The blowers provide air for the aeration tanks. All air for the low-pressure system is filtered by a

combination electrostatic and mechanical air filter. Accessory equipment includes silencers on air

intake and discharge for each blower, and combination silencers and heat recovery units on the

engine exhausts. Heat is recovered from engines by circulating the engine jacket water through

heat exchangers in the building and sludge heating system. The engines can be operated on

biogas produced by the treatment plant or natural gas.

Final Clarifiers: There are nine (9) final clarifiers. Three 85 in diameter, three 93 feet in diameter and

three 90 feet in diameter. Total volume equals 5,930,000 gallons. Detention time is 5.1 hours at 25

MGD. The activated sludge produced in the aeration tanks settles in the final tanks. The settled

sludge is drawn through rotating collector tubes and the connected piping system by pumps,

which return the major portion to the aeration tanks. Because a balance must be maintained

between the amount of microorganisms held in the secondary treatment plant and the food

supply in the primary effluent, the excess waste activated sludge (WAS) is pumped to the primary

tanks or gravity belt thickeners. The clarified water or secondary plant effluent is conveyed to the

U.V. system for disinfection.

Ultraviolet Light (U.V.) and Hypochlorite Disinfection: Two U.V. systems are provided at the Racine

facility. Ultraviolet light is used to provide disinfection of final clarifier effluent and a sodium

hypochlorite system is used to provide disinfection of wastewater delivered to the flow

equalization basins.

The sodium hypochlorite system is used to disinfect the flow equalization tanks. Chlorination is

provided for odor control of wastewater temporarily stored in the equalization basins and for

disinfection of wastewater which may overflow the equalization basins. Chlorination is provided at

the equalization basin bar screen effluent channel and at the lift station force main discharge

structure. Sodium hypochlorite application to the return activated sludge (RAS) system is also

provided. Sodium hypochlorite is stored in two (2) tanks located in the liquid chlorine building.

Liquid sodium hypochlorite solution is delivered to the various points of application by chemical

feed pumps located in the liquid chlorine building. The hypochlorite feed pumps are flow paced.

Ninety-Six and Seventy-Two Inch Diameter Outfalls: Two outfall lines (72” and 96”) extend 500 feet

out into the lake. There are three 36” openings at the end of the 72” pipe and three (3) 48”

openings at the end of the 96” pipe for discharge purposes.

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Belt Filter Presses: Six - two meter presses. The

continuous stage belt filter presses consists of two

polyester cloth belt sets one above another that

maneuver through a series of pressure rollers. Sludge

is conditioned with a liquid polymer and is fed onto a

gravity drainage section of the belts. Following

gravity drainage, the sludge is distributed on the

lower pressure belt. After an additional small section

of gravity drainage, the concentrated sludge comes

in contact with additional small section of gravity

drainage; the concentrated sludge comes in

contact with the upper belt. The two (2) belts form a wedge which gradually forces removal of

water. The water removed (filtrate) is collected in drainage pans and combined with gravity

drainage water and recycled back to the head of the plant. Pressure is increased as the belts pass

through rollers of decreasing size. The final three rollers form a S-shaped configuration which

generates a shear force and creates additional water drainage. Dewatered sludge is hauled by

truck to ultimate disposal. The filter belts are continuously washed with water at high pressure.

Gravity Belt Thickeners: The two gravity belt thickeners are used to dewater waste activated

sludge (WAS) from the secondary activated sludge treatment process. Polymer is added to the

WAS to help the dewatering process.

Final Effluent Systems: Three final effluent pumps are located in the aeration pipe gallery. Final

effluent is pumped to the yard hydrants and street hydrants. There are also two cooling water

pumps installed in the aeration pipe gallery to pump screened final effluent to the engine jacket

water cooling heat exchangers.

One F.E. Pump: 200 gmp at 243 ft. head

One Cooling Water Pump: 550 gpm at 55 ft. head

One Auxiliary Engine: Use at time of power failure

Pump: 550 gpm at 50 ft. head

Tank Drainage System: The tank drainage system consists

of the drain system for all the treatment units and the

bypassing arrangements for these units. Two tank

drainage wells and five drainage pumps are provided.

Five Tank Drainage Pumps: 700 gmp at 30 ft. TDH

Pipe Gallery: Connection between primary plant and secondary plant. All necessary systems run

through the pipe gallery.

Plant Water Systems: This system provides a physical break between the incoming city water and

the plant water distribution system.

Heating, Ventilation and Air Conditioning: Hot water for space heating is provided by one

continuous loop system. The system is provided with four multiple pass, horizontal fire tube boilers

with five square feet of heating surface per rated boiler horsepower. Two of the four units can be

fired by biogas or natural gas. Air circulation systems have been installed for space heating and

cooling, odor control and removal of dangerous gases. At critical areas or areas where air

handling unites are not installed, unit heaters are provided to heat the space, and exhaust fans

with separate air intake louvers provide ventilation.

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FLOW MONITORING AND SCHEMATIC DIAGRAM

Site Plan with Building Numbers

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Bio Management Program

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WASTEWATER OPERATIONS

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FLOW & PRECIPITATION TRENDS

The graph below shows 20 years of rainfall and flow trends at the Racine Wastewater Plant.

Rainfall can have an influence on peak events and increases in annual flow trends. However,

economic factors and industrial water usage can also have an impact on baseline flows at the

Wastewater Plant. In 2008, the Racine Water Utility stopped sending its daily sludge loadings to the

plant, which resulted in increased treatment capacity at the plant and a decrease in annual plant

flow. This trend can be seen on the graph as having some of the lowest annual flows in a 20 year

period. The country has also suffered a severe recession in the past few years with a decrease in

domestic use of wastewater and water from residential customers as well.

The decade from 2000 to 2010 is the wettest decade on record in the State of Wisconsin. It also

contained unprecedented peak rain events in terms of inches per hour and inches per day. The

summers of 1990 and 1993 were extremely wet in the Midwestern states. The Racine Wastewater

Plant exceeded 10 BG (billion gallons) per year. These concerns, along with some peak rain

events, caused the Utility to prepare a facilities plan in 1996 to ensure that the Wastewater Plant

had adequate treatment capabilities to treat increased average day flow and peak day flow.

Plant flow for 1997 and 1998, plant flow exceeded the peaks of 1990 and 1993, further reinforcing

the need for more treatment capacity. The years of 2000 and 2001 continued to have flows over

10 BG/year. The Wastewater General Manager was forced to invoke a sewer moratorium for new

construction until an agreement could be entered into with all of the local flow communities. A

sewer agreement was signed in the spring of 2002 to address treatment capacity issues at the

Wastewater Plant and to address known deficiencies in the collection system getting flows to the

plant.

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While the rainfall graph shows peaks and valleys in the decade of 2000 (wettest on record in the

state), plant flows relaxed to under 9 BG/year (2006-2009) and most recently near 7 BG/year (2010-

2016). Year 2012 was the worst drought in the Midwest in decades. The 2012 wastewater plant

flows were measured at 5.7 BG/year. These flows are nearly half of the yearly flows experienced

just 10 years earlier. In 2005, the Utility experienced a heavy rain event that led to an SSO to the

Root River in west Racine. The enforcement branch of the DNR issued Racine a Notice of Violation

and ordered that Racine install a storage basin to capture the quantity of rainfall that was

discharged to the river in 2005. The resulting project is referred to as the Grove Avenue Storage

Basin.

As a result of a 40 year storm that occurred in August of 2007 spreading over 6 inches of rain in a

36 hour period, the Utility was forced to study and address the concerns related to this event.

Widespread surcharging occurred in the sewer system across the entire City as a result of this

rainfall. Several homes experienced basement backups, even though SSO’s were allowed in the

collection system to relieve the greater than normal rainfall. A subset of the Wastewater

Commission was formed called the TAC, or Technical Advisory Committee, to study and evaluate

issues surrounding the 40 year rain event that occurred. A draft final report of its findings was

submitted to the full Commission in October of 2010. Costs of Service Studies (COSS) were

commissioned to evaluate the costs and how they would be applied to the local Sewer Service

Recipient (SSR) Parties of the agreement.

In May of 2014, the Racine area experienced an intense rain storm over a short amount of time.

This storm produced a number of basement backups in specific areas of the City. These areas

included Roosevelt and Kinzie, Spring Street near Dombrowski and Graham and areas in and

around Horlick Field. The Utility installed a new interceptor sewer in Echo Lane and Kinzie Avenue

east of Green Bay Road in 2016 to address some neighborhood flooding issues. A larger diameter

interceptor sewer was installed in Spring Street upstream of Lift station No. 2 in 2017. In 2018,

construction of a 2.4 million gallon attenuation basin was begun at Lift Station No. 2 to protect

basements in the neighborhood from flooding during peak rainfall events. That project was

substantially completed in 2019.

Historic trends are an important element in the planning for long range projects in the wastewater

industry. This discussion serves to place historical perspective on the need for a sewer agreement

and plant expansion that occurred in 2002 – 2005. Recent trends and economic conditions in the

local area show roughly a 20% drop in wastewater flows as compared to the previous average

over twenty years (say 7 BG/year vs. 9 BG/year).

Wastewater Flow Trends: Wastewater plant flow can be cyclical. The flow rates that have been

used for budgeted flow over the past few years are very close to the six-year average of actual

flow. The actual plant flow in 1998 thru 2001 was on average higher resulting in higher revenues

than what was budgeted. This trend led to a concept called the True-up to be incorporated into

the April 2002 Racine Area Intergovernmental Sanitary Sewer Service, Revenue Sharing,

Cooperation and Settlement Agreement. The concept was that the Utility should no longer profit

from abnormally high flows, due to wetter than normal years, and that any additional revenue

should be put back into the rate formula to offset rate increases instead of building reserves within

the utility. Conversely if the flows went below normal and a deficit of flow was realized, all parties

to the agreement should contribute additional money through the rates to offset the deficit. This

concept was negotiated into the contract with all parties in agreement. The Utility is made whole

by making sure that it can stay in business and positive returns on investments are returned to the

ratepayer or customers of the Utility.

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Recent History: Over the five years, starting in 2004, the Utility experienced a wetter period and

higher flows resulting in an excess of revenues over budgeted expectations, which caused

negative true-up and decreased revenue needs to the rate models from 2006 through 2010.

Revenues from 2011 to 2014 were lower because of lower than expected flows reaching the plant.

The rates for 2019 were influenced by a surplus of $500,235 from the 2017 fiscal year. Rates did not

change significantly as $400,000 was placed in a Rate Stabilization fund that was approved by the

Commission. The second half of 2018 was extremely wet resulting in increased revenues in 2018.

The wettest year for rainfall in 40 years occurred in 2019. The excess revenues over expenditures of

about $1.04 million in 2018 were factored into wastewater rates in for year 2020. The true up serves

as a self-correcting financial tool that over a period of time will insure that the ratepayer is treated

fairly and that the Utility will not incur huge losses or gains that could impact its financial viability.

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Flow & Precipitation 2019

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8.1

00

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36

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42

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T1

8.5

12

1.5

00

.00

54

.94

25

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0.0

22

1.4

82

5.4

0

11

0.0

02

4.7

02

8.6

00

.01

30

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3

7.4

00

.00

30

.20

35

.20

0.2

82

2.6

22

3.6

00

.00

40

.19

43

.40

0.0

02

1.0

22

3.2

0

12

0.0

02

3.3

22

7.6

00

.54

30

.52

3

3.2

00

.00

31

.96

28

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0.4

03

3.2

04

8.9

0T

32

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39

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0.0

42

2.5

42

8.8

0

13

0.0

02

2.7

42

7.3

00

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27

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3

1.5

00

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53

.69

68

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0.0

02

6.0

12

9.6

00

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24

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68

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0.9

23

7.8

14

4.8

0

14

0.0

02

1.6

62

8.5

00

.00

27

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3

2.8

00

.12

72

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87

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0.0

02

4.0

82

9.7

00

.00

33

.04

90

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T2

8.3

53

2.5

0

15

0.0

02

0.2

42

9.9

00

.00

27

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3

2.1

00

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60

.72

77

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0.7

73

7.6

75

3.5

00

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28

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90

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T2

4.2

12

8.8

0

16

0.0

02

0.7

02

3.1

00

.00

24

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2

8.9

00

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41

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49

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0.0

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5.0

22

5.5

00

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70

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0.0

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2.6

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6.6

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17

0.0

01

9.7

22

2.0

0T

23

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2

7.9

00

.00

40

.91

44

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0.0

03

5.9

54

0.9

00

.26

28

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55

.00

0.0

12

1.2

92

4.8

0

18

0.0

01

8.6

42

1.3

00

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22

.67

2

6.4

00

.00

35

.04

40

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0.0

03

2.4

73

4.5

01

.08

37

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40

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0.0

02

1.9

82

3.4

0

19

0.4

21

8.7

52

1.8

00

.00

22

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2

5.6

00

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34

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37

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0.0

22

6.6

23

1.8

00

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36

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39

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0.0

01

9.1

92

2.8

0

20

0.0

71

7.9

42

1.7

0T

23

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2

8.6

00

.00

30

.45

34

.00

0.0

02

5.9

92

9.5

00

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32

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44

.60

0.4

32

7.1

13

4.1

0

21

T1

8.3

32

0.8

00

.07

23

.58

2

7.4

00

.07

30

.47

32

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0.0

02

2.4

32

7.6

00

.00

29

.91

87

.70

T2

2.2

22

7.8

0

22

0.0

21

7.1

52

0.8

00

.00

23

.15

2

6.8

00

.00

28

.80

31

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0.0

02

2.8

32

4.9

00

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39

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84

.80

0.0

02

1.0

42

5.0

0

23

0.3

51

6.7

61

9.5

00

.00

35

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5

7.7

00

.00

27

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31

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0.0

42

1.3

22

4.4

00

.44

49

.76

51

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0.0

01

9.4

22

5.0

0

24

0.0

21

6.0

21

9.3

00

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65

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9

1.8

00

.00

26

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30

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0.0

02

0.9

32

3.0

00

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51

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42

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0.2

62

5.8

64

3.5

0

25

0.0

01

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21

7.9

00

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45

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5

0.2

00

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25

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29

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0.0

02

0.2

32

2.5

00

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50

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37

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0.7

22

7.9

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36

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4

4.5

00

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23

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26

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1.8

92

5.6

00

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33

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0.1

42

4.4

42

8.6

0

27

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31

4.6

11

8.1

00

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31

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34

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0.0

02

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22

8.7

00

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20

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24

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0.0

03

6.1

73

0.4

00

.00

23

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22

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28

0.2

51

4.0

91

6.8

00

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29

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33

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0.0

42

3.4

52

7.4

00

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20

.79

26

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0.5

44

0.5

13

0.1

00

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26

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31

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29

0.0

71

5.1

31

7.0

00

.00

22

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25

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0.2

02

1.5

15

9.9

00

.09

34

.23

29

.70

0.1

12

2.5

52

7.8

0

30

0.0

01

4.1

11

6.6

00

.11

23

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26

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0.5

62

8.6

54

9.1

00

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34

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27

.10

0.0

02

2.5

32

8.6

0

31

0.0

01

4.0

41

6.8

00

.00

22

.49

26

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0.0

23

2.7

02

7.5

0

TOTA

L2

.35

64

4.3

23

.65

97

9.1

11

.45

95

8.0

93

.00

73

2.0

86

.96

11

78

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4.4

97

73

.31

AV

G0

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20

.78

24

.75

0.1

53

4.9

74

4.1

90

.05

30

.91

36

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0.1

02

4.4

02

9.6

90

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38

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43

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0.1

72

5.7

83

0.6

6

MA

X0

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32

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43

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0.9

87

2.3

99

4.0

00

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72

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87

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0.7

74

5.0

25

9.9

01

.49

76

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90

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1.0

04

0.7

04

7.7

0

MIN

0.0

01

4.0

41

6.6

00

.00

16

.09

18

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0.0

01

8.8

82

0.9

00

.00

18

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21

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0.0

02

4.5

62

2.6

00

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19

.19

22

.50

JAN

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FEB

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APR

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AY

JUN

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Page 36: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

31 | P a g e

Flow & Precipitation 2019 - Continued

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2

7.3

00

.00

14

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17

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8.8

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4.4

00

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26

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35

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6.2

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40

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2.4

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13

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7.6

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6.4

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3.4

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6.2

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8.5

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0.6

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4.5

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27

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2

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0

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21

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3

6.0

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28

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0.0

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4.8

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8.9

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45

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8.8

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1.4

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.00

27

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3.4

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19

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3.4

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31

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35

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7.3

03

2.3

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26

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2.6

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80

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19

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2

3.2

00

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20

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4.2

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7.3

00

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29

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32

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6.9

02

8.8

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2.7

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18

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3.0

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32

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0.6

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23

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3.3

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21

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31

9.2

00

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15

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08

2.8

00

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23

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25

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0.0

02

2.0

0

20

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12

0.0

01

6.3

3

18

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0.0

01

4.4

61

7.5

01

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62

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84

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0.4

54

6.9

86

0.2

00

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24

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0.0

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2.4

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19

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01

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8

19

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01

4.6

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97

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96

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0.0

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7.7

44

0.9

00

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21

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24

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0.0

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0

18

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14

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01

5.2

5

18

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4.0

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5.9

0T

52

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74

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0.0

03

2.7

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9.5

00

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23

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0.0

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2.3

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15

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18

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7.6

00

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5.4

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3.6

11

5.4

00

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31

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36

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02

7.1

53

1.6

00

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20

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24

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6

18

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0.0

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3.5

01

5.9

00

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25

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29

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0.0

02

3.8

52

7.4

00

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20

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24

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0.0

01

5.2

0

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18

0.1

82

0.4

4

35

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0.0

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5.4

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4.3

00

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23

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29

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0.0

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2.3

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5.9

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9.4

0

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0.7

01

8.0

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0.7

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4.6

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7.4

00

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22

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25

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0.0

02

1.9

12

5.7

00

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23

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0.0

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8.9

0

17

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20

0.1

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5.1

0

34

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0.0

01

6.0

61

9.4

00

.00

19

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22

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0.0

02

0.8

42

4.1

00

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20

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23

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0.0

01

8.6

0

16

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21

1.0

33

6.0

4

49

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0.4

71

5.7

51

9.2

00

.00

19

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24

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0.0

02

0.5

22

4.2

00

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26

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32

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0.0

02

0.1

0

16

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22

0.0

02

4.1

7

29

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0.0

01

3.3

51

6.3

00

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22

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26

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0.1

32

0.4

62

3.3

00

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23

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27

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0.0

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0.0

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16

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23

0.0

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0.4

1

23

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0.0

01

4.2

41

5.5

00

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21

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24

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0.0

21

9.4

22

2.3

00

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23

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25

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0.0

01

9.7

0

16

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24

0.0

01

9.5

0

21

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0.0

01

2.8

61

6.3

0T

19

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22

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0.3

32

1.9

72

4.8

00

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21

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25

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0.0

02

1.1

0

15

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25

0.0

01

7.6

7

20

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0.0

01

3.6

41

6.1

00

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17

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21

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0.0

01

9.8

62

2.7

00

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20

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24

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0.0

01

9.7

0

15

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26

0.0

01

6.1

7

18

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1.1

44

0.9

78

9.6

00

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17

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21

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0.0

03

3.1

91

9.4

00

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23

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0.0

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9.6

0

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6.7

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19

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1.8

33

2.0

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5.5

00

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18

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1.9

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3.3

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6.2

00

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30

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0.0

01

8.9

0

15

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28

0.0

01

6.0

3

19

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0.0

02

1.6

62

7.8

00

.76

22

.01

35

.20

T5

0.6

15

9.3

00

.01

23

.79

29

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0.0

01

9.2

0

16

.23

29

0.0

01

6.6

4

31

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0.0

01

9.3

42

1.9

00

.67

35

.79

48

.50

0.1

73

9.1

64

3.7

0T

22

.28

25

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1.1

85

5.1

0

40

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30

0.0

31

4.8

7

18

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0.0

01

8.0

22

0.4

00

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31

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37

.20

0.0

03

2.8

83

5.8

00

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22

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26

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0.5

56

4.2

0

51

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31

0.0

01

5.5

81

7.2

00

.00

15

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20

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0.2

93

6.4

34

2.9

00

.03

41

.30

3

7.2

0

TOTA

L3

.17

59

1.9

55

.38

52

1.0

87

.38

80

7.6

16

.88

11

40

.29

1.8

17

58

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2.2

68

05

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98

90

.11

AV

G0

.10

19

.10

24

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0.1

81

6.8

12

2.0

40

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26

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34

.68

0.2

33

6.7

84

2.8

10

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25

.27

28

.78

0.0

72

5.9

82

2.4

2

MA

X1

.03

36

.04

49

.60

1.8

34

0.9

78

9.6

01

.72

97

.48

96

.70

1.9

79

6.9

49

7.6

00

.36

39

.46

46

.10

1.1

86

4.2

05

1.9

3

MIN

0.0

01

4.7

61

7.2

00

.00

12

.86

15

.40

0.0

01

4.2

51

7.3

00

.00

19

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19

.40

0.0

02

0.2

82

2.8

00

.00

15

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15

.80

Da

ily F

low

= M

G (

Mill

ion

Ga

llon

s)P

rec

ipit

ati

on

= I

nc

he

sTo

tal P

rec

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ati

on

(In

ch

es)

48

.78

Pe

ak F

low

= M

GD

(M

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r D

ay)

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cip

ita

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ec

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= 8

AM

to

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MA

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w (

MG

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BER

Page 37: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

32 | P a g e

BOD – TSS - Phosphorus

FLO

W20

18

RAW

PRI

IN P

RI E

FF F

IN%

RRA

W P

RI IN

PRI

EFF

FIN

% R

RAW

PRI

IN P

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FF F

IN%

RM

GD

Tota

l MG

MG

D

Jan

ua

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312

961

1387

%93

140

336

94%

2.4

3.1

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63%

20.7

864

4.32

14.6

2

Feb

rua

ry78

9754

1581

%73

108

3410

86%

1.7

2.1

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53%

34.9

797

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8611

432

693

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31.

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773.

3129

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107

128

629

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105

150

456

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3.0

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0.8

69%

19.1

059

1.95

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014

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116

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8812

337

70.

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22.

51.

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9821

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24.3

7

2018

114

142

6611

9110

716

043

695

33

21

6824

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2017

126

141

6710

9211

516

641

596

2.8

3.2

1.9

0.8

6921

.41

2016

124

132

679

9312

015

741

596

2.9

3.1

1.9

0.8

7220

.29

2015

137

156

7211

9212

919

343

596

3.2

3.6

1.9

0.8

7418

.43

2014

130

142

7113

9012

216

843

794

3.1

3.7

2.0

0.8

7419

.36

2013

137

139

7013

9012

815

841

695

3.2

3.7

2.0

0.8

7520

.98

2012

159

156

7515

9114

319

543

795

3.9

4.7

2.1

0.8

8015

.54

2011

151

159

7113

9113

922

243

795

3.4

4.7

1.9

0.7

7819

.62

2010

144

158

6812

9213

722

338

696

3.5

4.7

1.9

0.7

7819

.50

2009

119

138

6811

9012

119

648

794

3.1

5.2

2.0

0.7

7624

.32

2008

122

147

6812

9012

618

849

794

3.2

4.2

2.1

0.7

7824

.76

2007

122

150

6614

8913

919

948

795

3.2

4.3

2.1

0.7

7823

.07

2006

125

158

6015

8713

724

044

795

3.1

4.3

1.9

0.7

7719

.71

Beg

inn

ing

in 2

007,

flo

w n

um

be

rs a

re e

fflu

en

t flo

w.

TOTA

L SU

SPEN

DED

SO

LID

S

P

H O

S P

H O

R U

SB

O D

Page 38: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

33 | P a g e

LOADING CHARACTERISTICS CHART

MG AVG Daily INF LBS INF LBS INF LBS/P

2019 Flow Flow MGD BOD BOD/Day T.S S. T.S.S./DAY P Day

January 644.32 20.78 103 17850 93 16117 2.4 416

February 979.11 34.97 78 22749 73 21290 1.7 496

March 978.64 31.57 80 21064 74 19484 1.9 500

April 751.91 25.06 93 19437 88 18392 2.2 460

May 1179.94 38.06 62 19680 66 20950 1.5 476

June 773.31 25.78 88 18920 86 18490 2.0 430

July 591.95 19.10 107 17044 105 16726 2.6 414

August 521.08 16.81 140 19627 133 18646 3.2 449

September 807.61 26.92 94 21104 88 19757 2.3 516

October 1140.29 36.78 74 22699 69 21165 1.7 521

November 758.03 25.27 83 17492 79 16649 2.1 443

December 695.09 22.42 117 21877 105 19633 2.8 524

Total 9821.28 7,280,742 6,909,205 171,651

AVG/Day 26.91 93 19,962 88 18,942 2.2 470

MG AVG Daily INF LBS INF LBS INF LBS/P

2018 Flow Flow MGD BOD BOD/Day T.S S. T.S.S./DAY P Day

January 453.14 14.62 176 21460 152 18533 3.7 451

February 581.09 20.75 128 22151 109 18863 2.6 450

March 533.55 17.21 127 18228 111 15932 2.8 402

April 746.13 24.87 112 23231 113 23438 2.5 519

May 1131.38 36.50 79 24048 79 24048 1.9 578

June 879.20 29.31 98 23956 98 23956 2.3 562

July 600.85 19.38 117 18911 112 18102 3.0 485

August 548.12 17.68 139 20496 135 19906 3.2 472

September 744.65 24.82 112 23184 118 24426 2.5 517

October 1143.30 36.88 86 26452 85 26144 1.9 584

November 702.27 23.41 98 19133 88 17181 2.2 430

December 832.06 26.84 99 22161 89 19922 2.1 470

Total 8895.74 8,009,814 7,618,483 180,154

AVG/Day 24.37 114 21,951 107 20,871 2.6 493

MG AVG Daily INF LBS INF LBS INF LBS/P

2017 Flow Flow MGD BOD BOD/Day T.S S. T.S.S./DAY P Day

January 706.73 22.80 110 20917 103 19586 2.3 437

February 500.44 17.87 140 20865 127 18928 2.8 417

March 1022.26 32.98 88 24205 84 23104 1.8 495

April 1130.04 37.67 67 21049 73 22934 1.4 440

May 788.69 25.44 94 19944 91 19307 2.1 446

June 626.41 20.88 121 21071 127 22116 2.6 453

July 808.45 26.08 91 19793 93 20228 2.2 479

August 455.13 14.68 147 17997 129 15794 3.4 416

September 347.54 11.58 176 16998 155 14969 4.2 406

October 545.81 17.61 134 19680 126 18505 3.3 485

November 470.11 15.67 155 20257 127 16597 3.3 431

December 413.07 13.32 183 20329 149 16552 4.1 455

Total 7814.68 7,394,606 6,954,113 163,177

AVG/Day 21.35 126 20,259 115 19,052 2.8 447

Beginning in 2007, flow numbers are effluent flow.

Page 39: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

34 | P a g e

Summary of Sampling of POTW Influent and Effluent Waterstreams

Inf

Eff

Inf

Eff

Inf

Eff

Inf

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Inf

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Inf

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01/0

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Page 40: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

35 | P a g e

PRIMARY & DIGESTED BIOSOLIDS

VOL Reduction

% SOL % VS % SOL % VS

January 4.0 81 2.1 58.8

February 4.0 80 2.0 59.2

March 4.1 79 2.1 59.7

April 4.5 76 2.0 55.0

May 4.8 75 2.1 58.9

June 4.5 78 2.2 59.1

July 4.6 77 2.1 57.2

August 4.7 75 2.1 58.2

September 4.9 73 2.2 56.6

October 4.5 74 2.3 54.8

November 4.1 78 2.2 53.9

December 4.0 81 2.1 59.9

Average 4.4 77 2.1 58

VOL Reduction

% SOL % VS % SOL % VS

January 4.4 80 2.1 60

February 4.7 81 2.2 62

March 4.3 80 2.1 59

April 4.7 76 2.2 59

May 5.1 74 2.2 59

June 4.8 75 2.4 58

July 4.5 74 2.2 58

August 4.2 77 2.2 57

September 4.2 75 2.2 56

October 4.3 73 2.1 56

November 4.3 79 2.2 57

December 4.1 78 1.9 58

Average 4.5 77 2.2 58

VOL Reduction

% SOL % VS % SOL % VS

January 4.1 82 2.0 62

February 3.8 82 1.9 63

March 4.5 79 1.9 63

April 4.8 72 2.1 57

May 4.5 78 2.2 58

June 4.5 78 2.0 62

July 4.9 76 2.1 59

August 4.1 77 2.2 59

September 4.0 76 2.1 61

October 4.4 77 2.1 59

November 3.9 77 2.1 60

December 4.1 79 2.0 62

Average 4.3 78 2.1 60

% Sol = % Solids

% VS = % Volatile Solids

%

Clarifiers 1-12 POST DIGESTION

%

Clarifiers 1-12 Post Digestion

%

Clarifiers 1-12 Post Digestion

2019

2018

2017

67

64

61

61

52

59

60

60

65

67

57

52

54

56

57

55

57

51

57

55

54

61

48

55

63

65

58

61

65

53

58

62

62

60

51

54

49

55

64

Page 41: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

36 | P a g e

DIGESTER OPERATIONS

A B D E GBT Total In TWAS/PS A B D E Total Out

January 9 9 11 10 22 61 0.564 23 13 19 12 67

February 9 7 11 10 28 65 0.757 23 12 24 12 71

March 9 9 10 8 26 62 0.722 20 16 21 10 67

April 9 9 10 8 23 59 0.639 23 15 20 8 66

May 9 9 9 8 32 67 0.914 27 16 22 10 75

June 10 9 9 10 27 65 0.711 24 14 17 11 66

July 8 9 9 8 27 61 0.794 22 15 17 12 66

August 9 10 9 8 33 69 0.917 22 14 18 12 66

September 9 7 8 7 32 63 1.032 24 15 20 11 70

October 8 8 8 8 25 57 0.781 19 14 15 10 58

November 9 9 9 9 29 65 0.806 18 14 16 11 59

December 9 10 9 10 28 66 0.737 21 15 16 12 64

AVG 9 9 9 9 28 63 0.781 22 14 19 11 66

Transfer SludgeRaw Sludge

AVG/Dag (1000 Gallon)AVG /Day (1000 Gallon)

Page 42: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

37 | P a g e

BELT PRESS SUMMARY

lb/D

T Ba

sed

Mo

nth

Da

ysH

our

sM

G%

SO

LD

ry T

ons

DT/

Da

yD

ry T

ons

Ca

ptu

re %

SO

LW

et T

ons

$/D

TPO

LY $

LBS

LB/D

.T.

on

Fee

d&

/W.T

. $

Janu

ary

1742

6.0

2.13

32.

119

16.

216

285

.120

.479

4.70

416,

582.

713,

942

24.3

20.7

29.4

323

,388

.02

Feb

rua

ry17

469.

42.

298

2.1

201

7.2

187

92.9

20.7

913.

0839

7,27

1.77

4,55

624

.322

.629

.43

26,8

71.9

4

Ma

rch

1640

9.2

2.04

32.

117

75.

715

587

.920

.376

8.05

335,

113.

763,

216

20.7

18.2

29.4

522

,619

.60

Ap

ril16

445.

72.

200

1.9

169

5.6

149

88.0

20.3

792.

1143

6,35

2.05

3,99

526

.923

.729

.49

$23,

359.

32

Ma

y17

489.

42.

602

2.1

219

7.1

190

86.9

20.6

1,02

4.21

448,

407.

004,

884

25.6

22.3

29.4

9$3

0,20

3.95

231.

10

June

1538

0.8

1.99

92.

117

96.

017

095

.120

.682

5.16

386,

427.

233,

673

21.6

20.5

29.4

9$2

4,33

3.97

July

1847

2.5

2.39

12.

120

96.

719

794

.621

.192

6.41

469,

008.

655,

148

26.1

24.7

29.4

3$2

7,26

1.30

Aug

ust

1643

7.4

2.36

02.

120

46.

618

892

.121

.293

2.50

458,

394.

054,

797

25.5

23.5

29.4

3$2

7,44

3.47

Sep

tem

be

r15

418.

62.

167

2.2

196

6.5

189

96.5

21.7

885.

3040

7,48

6.96

4,27

822

.721

.929

.43

$26,

054.

38

Oc

tob

er

1743

6.3

2.13

2.3

204

6.6

178

87.2

23.3

837.

9344

7,78

2.15

4,44

725

.021

.829

.46

$24,

685.

42

No

vem

be

r13

348.

91.

853

2.3

175

5.8

160

91.5

23.6

679.

5736

5,69

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220

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$20,

020.

13

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ce

mb

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2.9

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018

25.

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093

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5.90

437,

318.

664,

182

24.5

23.0

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l19

25,

167

26.3

62,

304.

1875

.80

2,09

5.94

10,4

76.0

285

,835

.33

50,3

6928

.80

$301

,750

.91

28.7

013

8

AV

G16

430.

62.

197

2.1

192.

06.

317

591

.021

.380

5.85

417,

152.

944,

197

24.0

21.8

21.8

$25,

145.

91

2019

192

5,16

726

.360

2.1

2,30

42,

096

21.3

10,4

7641

85,8

3550

,369

2421

.828

.80

301,

751

2018

199

5,68

626

.801

2.2

2,50

92,

219

20.7

10,9

9535

77,2

1851

,454

2320

.729

.68

$326

,338

2017

215

5,92

529

.184

2.1

2,50

82,

172

19.4

11,4

1434

73,8

4851

,284

2420

.427

.54

$314

,384

2016

204

5,70

228

.733

2.1

2,48

62,

115

19.6

11,0

1735

74,6

8451

,864

2420

.926

.02

$286

,714

2015

202

5,54

130

.722

2.2

2,81

62,

197

20.4

10,8

0132

71,1

9950

,331

2317

.927

.92

$301

,610

2014

201

5,10

431

.258

2.4

3,12

92,

358

22.2

10,7

9031

73,7

9152

,708

2216

.9$3

32,6

25

2013

205

5,16

130

.137

2.5

3,08

92,

517

23.8

10,6

0931

76,1

6954

,406

2217

.745

.75

$486

,375

2012

201

5,09

031

.529

2.4

3,11

12,

592

23.8

11,0

0929

75,5

8353

,988

2117

.444

.75

$492

,671

2011

231

5,43

934

.914

2.1

3,18

12,

542

22.6

11,2

6027

67,8

1351

,401

2016

.343

.75

$492

,621

2010

244

5,51

436

.905

2.1

3,25

62,

788

23.8

11,7

3723

62,6

1750

,495

1842

.75

$501

,768

2009

251

6,77

937

.986

2.4

3,81

93,

719

23.9

15,5

1826

96,3

5878

,339

2141

.75

$647

,891

2008

244

6,78

943

.595

2.3

4,19

03,

684

24.5

14,9

2024

86,9

4571

,642

2040

.75

$607

,997

2007

215

7,27

753

.426

2.0

4,39

33,

686

25.0

14,7

9523

85,1

7674

,065

2039

.75

$588

,112

2006

248

7,74

055

.187

2.1

4,82

43,

795

24.3

15,9

0924

90,1

8478

,421

2138

.75

$616

,506

$1.7

04

Poly

me

r co

st/l

b.

Ha

ul C

ost

We

t To

ns/D

ay

Poly

me

r lb

s/d

ay

Solid

s e

nte

r the

pla

n, a

re d

ige

ste

d a

nd d

ew

ate

red

. Bio

log

ica

l so

lids

are

pro

duc

ed

, thi

cke

ned

, tre

ate

d a

nd a

lso d

ige

ste

d w

ith s

olid

s th

at

ent

ere

d t

he p

lant

. Aft

er d

ige

stio

n, t

his

mix

ture

is d

ew

ate

red

by

be

lt fil

ter p

ress

es

and

aul

ed

fro

m t

he p

lant

to

sto

rag

e a

nd u

ltim

ate

ly la

nd a

pp

lica

tion.

Due

to

WPD

ES p

erm

it c

hang

es

reg

ard

ing

effl

uent

am

mo

nia

lim

its in

201

1, p

roc

ess

co

ntro

l cha

nge

s w

ere

imp

lem

ent

ed

in 2

010

tha

t re

duc

ed

bio

log

ica

l so

lids

(thu

s re

duc

ing

to

tal t

ons

ent

erin

g t

he d

ige

ste

rs a

nd u

ltim

ate

ly le

av

ing

the

pla

nt.

Po

lym

er D

ose

Page 43: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

38 | P a g e

GRAVITY BELT THICKENER SUMMARY

TWA

Sm

g/l W

AS

D

ays

GPD

MG

G

PD(L

ab)

Inch

Poun

dsC

onc.

Batc

hes

Janu

ary

266.

510.

210

0.57

000.

0184

3872

6781

9508

5.20

1518

315

.22

493.

36.

4679

681

50.

4214

410

1,07

1.89

$

0.11

$

Febr

uary

246.

961

0.24

90.

6920

0.02

4745

7394

8213

226

5.50

1521

220

.01

472.

09.

8112

010

335

0.44

203

102,

282.

51$

0.

17$

Mar

ch31

9.90

60.

320

0.81

800.

0264

4567

1217

211

444

5.20

1524

818

.33

687.

013

.015

913

685

0.40

232

81,

111.

54$

0.

10$

Apr

il26

8.83

20.

294

0.67

700.

0226

3900

9576

1129

25.

2015

220

18.0

756

0.0

9.6

118

1011

50.

4019

410

1,65

1.38

$

0.15

$

May

2912

.899

0.41

60.

9620

0.03

1041

0214

235

1466

35.

3015

316

22.2

866

4.0

16.0

196

1688

50.

4033

711

2,62

1.82

$

0.18

$

June

289.

756

0.32

50.

7510

0.02

5038

1510

347

1118

55.

0019

.525

018

.62

672.

08.

8910

993

75

0.42

209

91,

602.

99$

0.

14$

July

289.

328

0.30

10.

7870

0.02

5435

5989

3211

017

4.70

1523

018

.85

644.

911

.213

711

825

0.40

259

142,

132.

27$

0.

19$

Aug

ust

3011

.783

0.38

00.

9980

0.03

2234

5210

941

1193

04.

3015

291

23.0

967

6.0

16.8

206

1772

50.

4135

215

3,15

3.33

$

0.26

$

Sept

embe

r29

13.1

530.

438

0.96

400.

0321

3436

1256

413

833

4.80

2033

423

.07

656.

016

.320

017

175

0.50

322

123,

149.

60$

0.

23$

Oct

ober

236.

621

0.21

40.

5750

0.01

8536

0664

2410

842

5.20

1718

617

.37

496.

09.

711

910

235

0.44

182

122,

040.

22$

0.

19$

Nov

embe

r23

5.30

30.

177

0.65

600.

0219

3617

5333

1189

45.

0015

159

19.7

945

6.0

6.3

7866

85

0.40

110

111,

086.

68$

0.

09$

Dec

embe

r31

11.9

590.

386

0.85

400.

0275

3270

1052

110

569

4.60

1528

219

.13

744.

018

.722

919

675

0.40

353

153,

638.

69$

0.

34$

Sum

113.

011

9.30

472

21.2

142.

817

5015

047

2897

25,5

42.9

2$

Avg

9.41

80.

309

0.77

530.

0255

3814

9776

1178

35.

0016

243

19.4

960

1.8

11.9

146

1254

0.42

241

110.

18$

Poun

ds

In

WA

S

Feed

MG

Tota

l

TWA

S

GPM

WA

S

GPM

Belt

Spee

d

%S

TWA

S

(Lab

)

Poun

ds

Out

Tota

l

Hour

s

Wat

er

Rate

Poly

Dos

age

lbs/

tons

Poly

mer

Cos

t

$ pe

r lb

Out

Poly

me

r Gal

Page 44: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

39 | P a g e

BIOSOLID METAL ANALYSIS

INSERT 2 GRAPHS

HIGH QUALITY SLUDGE IS DEFINED BY THE MONTHLY AVERAGE POLLUTANT CONCENTRATION LIMITS PUBLISHED BY THE WDNR IN NR 204

(DOMESTIC SEWAGE SLUDGE MANAGEMENT). SLUDGE THAT MEETS ALL OF THE POLLUTANT CONCENTRATION LIMITS LISTED IS EXEMPT

FROM CUMULATIVE LOADING LIMITS FOR METALS WHERE SLUDGE IS LAND APPLIED. RACINE BIOSOLID METAL CONCENTRATIONS

DRAMATICALLY DECREASED AFTER THE INDUSTRIAL PRETREATMENT PROGRAM WENT INTO EFFECT IN 1984. SINCE 1985 RACINE

BIOSOLIDS HAVE BEEN CONSIDERED HIGH QUALITY SLUDGE AND HAVE PRINCIPALLY BEEN APPLIED TO AGRICULTURAL LAND. ¹SELENIUM

LISTED AMONG POLLUTANTS WITH A HIGH QUALITY LIMIT IN THE PERMIT EFFECTIVE 01/07/1996.

¹SELENIUM LISTED AMONG POLLUTANTS WITH A HIGH QUALITY LIMIT IN THE PERMIT EFFECTIVE 01/07/1996.

Sample % Solids As Cd Cu Pb Hg Mo Ni Se Zn Cr pH

Date mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg

dwb dwb dwb dwb dwb dwb dwb dwb dwb dwb

1/8/2019 19.5 < 15 < 3.1 540 33 1.2 < 21 31 < 21 770 74 7.2

2/6/2019 19.7 0.60 7.3

3/5/2019 19.3 0.50

3/12/2019 19.7 < 15 < 3.0 530 39 < 20 28 < 20 730 73 7.3

4/2/2019 17.9 0.93 7.3

5/8/2019 19.1 16 < 3.1 560 37 0.77 < 21 30 < 21 750 79 7.4

6/11/2019 18.5 0.71 7.3

7/10/2019 19.6 < 15 < 3.1 590 46 0.55 < 20 30 < 20 820 94 7.5

8/6/2019 20.2 0.69 7.5

9/11/2019 19.7 < 15 < 3.0 550 42 1.2 < 20 28 < 20 830 81 7.5

10/8/2019 22.2 0.66 7.6

11/6/2019 21.3 < 14 < 2.8 580 54 0.54 < 19 31 < 14 890 81 7.4

12/10/2019 20.0 0.92 7.4

MINIMUM 17.9 < 14 < 2.8 530 33 0.50 < 19 28 < 14 730 73 7.2

MAXIMUM 22.2 16 < 3.1 590 54 1.20 < 21 31 < 21 890 94 7.6

AVERAGE 19.7 <14 <3.1 558 42 0.77 <21 30 <21 798 80 7.4

HQ Limit NA 41 39 1500 300 17 NA 420 100 2800 NA NA

Per DNR requirements, any "less than" (<) result reported is treated as a zero when calculating monthly averages

dwb = dry weight basis

Page 45: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

40 | P a g e

SECONDARY TREATMENT DATA CHART

FLO

W A

ER

A

ER

R

AS

R

AS

M

LSS

R

AS

WA

SR

AS

TOT.

RA

SPR

IF/M

E-C

OLI

FEC

AL'

S

20

19

MG

D M

LSS

M

LVSS

TS

S A

VG

V

SS A

VG

% V

M%

VM

SV

30

SV

IM

GD

MG

D M

GD

SR

TB

OD

RA

TIO

#/1

00 M

LS#

/10

0 M

LS

Ja

nu

ary

20

.78

17

71

14

73

38

72

32

33

83

84

11

46

50

.21

19

.42

19

.21

17

61

0.1

71

77

97

Fe

bru

ary

34

.97

20

80

16

98

45

73

37

27

82

82

11

05

20

.26

31

.35

31

.08

10

54

0.2

12

40

13

6

Ma

rch

31

.57

20

36

16

23

45

67

36

19

80

79

11

45

60

.34

31

.69

31

.35

84

80

.18

17

81

39

Ap

ril

25

.06

18

78

15

12

39

00

31

45

81

81

12

26

50

.32

26

.94

26

.62

85

30

.17

11

99

9

Ma

y3

8.0

61

88

51

47

14

10

23

20

87

87

81

49

79

0.4

24

0.7

84

0.3

61

44

20

.23

97

79

Ju

ne

25

.78

17

91

14

26

38

15

30

36

80

80

12

97

30

.33

29

.31

28

.98

84

60

.17

14

01

47

Ju

ly1

9.1

01

79

21

42

03

55

92

83

97

98

01

05

59

0.3

12

0.5

82

0.2

81

86

20

.17

12

92

08

Au

gu

st1

6.8

11

75

51

35

63

45

22

67

77

77

71

55

89

0.3

92

3.1

22

2.7

37

75

0.2

11

11

20

6

Se

pte

mb

er

26

.40

16

58

12

41

34

36

25

69

75

75

12

57

40

.44

30

.54

30

.10

75

40

.23

10

42

05

Oc

tob

er

36

.54

16

03

12

09

36

06

27

12

76

75

96

59

0.2

33

0.1

12

9.8

79

43

0.2

81

53

11

9

No

ve

mb

er

25

.27

18

07

13

56

36

17

27

03

75

75

12

87

10

.18

28

.21

28

.03

12

43

0.1

61

18

85

De

ce

mb

er

22

.42

17

32

13

98

32

70

26

45

81

81

18

21

06

0.3

83

0.5

43

0.1

67

62

0.2

01

44

88

AV

G26

.90

18

16

14

32

38

14

30

09

79

79

12

77

10.3

228

.55

28

.23

10

54

0.2

01

43

13

4

MA

X38

.06

20

80

16

98

45

73

37

27

83

84

18

21

06

0.4

440

.78

40

.36

18

75

0.2

82

40

20

8

MIN

16

.81

16

03

12

09

32

70

25

69

75

75

96

52

0.1

819

.42

19

.21

74

20.1

69

77

9

20

18

24

.27

17

88

14

14

36

11

28

46

79

79

13

67

60

.34

82

5.5

42

5.2

69

66

0.2

11

22

11

0

20

17

21

.32

17

85

14

25

34

59

27

68

80

80

15

48

70

.32

23

.94

23

.62

96

70

.19

10

79

6

20

16

20

.24

17

71

14

18

33

91

27

25

80

80

14

28

10

.32

02

3.5

12

3.1

98

67

0.1

91

33

11

2

20

15

18

.43

18

09

14

38

38

67

30

73

80

80

14

78

00

.26

01

8.6

91

8.4

39

72

0.1

91

14

10

2

20

14

19

.32

18

82

14

85

43

61

34

29

79

79

12

86

90

.23

51

5.4

51

5.2

29

71

0.1

92

07

13

7

20

13

20

.81

16

92

12

94

38

76

29

74

76

77

13

98

20

.31

01

6.4

51

6.1

78

70

0.2

21

88

18

3

20

12

15

.52

19

01

14

94

50

92

40

18

79

79

14

17

40

.21

01

2.9

31

2.7

29

75

0.1

92

21

13

9

20

11

19

.62

18

61

14

55

51

60

40

41

78

78

13

17

20

.21

01

2.9

31

2.7

28

71

0.2

01

34

77

20

10

19

.45

15

09

11

84

39

32

30

77

79

79

13

79

30

.26

01

3.5

61

3.3

08

68

0.2

38

76

8

20

09

23

.79

17

63

13

92

45

43

35

90

79

79

15

79

20

.32

01

7.8

31

7.5

27

68

0.2

38

56

9

20

08

24

.17

19

50

15

32

53

53

41

94

79

79

17

99

10

.27

01

5.4

61

5.1

97

68

0.2

28

58

2

20

07

23

.07

16

77

13

29

41

43

34

73

80

84

14

68

90

.31

01

4.5

81

4.2

55

65

0.2

01

77

24

2

Be

gin

nin

g in

20

07

, flo

w n

um

be

rs a

re e

fflu

en

t flo

w.

Be

gin

nin

g in

20

08

, th

e f

low

da

ta is

fo

r th

e f

low

th

rou

gh

th

e p

lan

t. It

do

es

no

t in

clu

de

th

e E

Q f

low

s.

Page 46: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

41 | P a g e

FERRIC CHLORIDE SUMMARY

Fe

rric

ch

lorid

e is

use

d f

or

ph

osp

ho

rus

rem

ov

al. T

he

iro

n io

n b

ind

s w

ith

th

e p

ho

sph

oru

s a

nd

se

ttle

s o

ut

the

ph

osp

ho

rus

in t

he

prim

ary

cla

rifi

ers

. Fe

rric

ch

lorid

e is

an

iro

n s

alt

th

at

is a

n in

du

stria

l sc

ale

co

mm

od

ity.

The

fe

rric

ch

lorid

e u

sed

at

the

tre

atm

en

t p

lan

t is

pu

rifie

d b

yp

rod

uc

t o

f th

e s

tee

l in

du

stry

. B

ec

au

se o

f th

is,

wh

en

th

e s

tee

l in

du

stry

exp

erie

nc

es

an

ec

on

om

ic d

ow

ntu

rn,

the

pric

e o

f fe

rric

ch

lorid

e f

or

the

tre

atm

en

t p

lan

t in

cre

ase

s d

ue

to

a s

ho

rta

ge

of

sup

ply

. A

sec

on

da

ry c

au

se o

f p

ric

e f

luc

tua

tio

n is

the

am

ou

nt

of

ferr

ic c

hlo

rid

e e

xp

ort

ed

to

Ch

ina

fo

r th

e u

se in

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42 | P a g e

SODIUM HYPOCHLORITE SUMMARY Sodium hypochlorite (NaOCl) is added to the equalization basins for pathogen destruction

(disinfection). NaOCl is also used to kill filamentous bacteria (that hinder settling) in the

secondary treatment system. Sodium hypochlorite can be considered a solution of dissolved

chlorine gas in sodium hydroxide. Its character is that of common household bleach or

“swimming pool) chlorine; however, sodium hypochlorite for wastewater treatment usually is

found in 12.5% concentration. Chlorine is easily released from the sodium hypochlorite due to

the breaking of weak ionic bonds with its base molecule, sodium hydroxide. Piping material,

valve selection, seal materials, pressure relief, and stagnation control, are a few design, safety

and operational measures to consider with the use of NaOCl systems. Off-gassing occurs with

sodium hypochlorite due to common decomposition of the chemical, resulting in diminished

potency and requiring the chemical to be replenished for effective disinfection.

Month Gallons Cost Gallons Cost Gallons Cost

January 0 $0 449 $301 0 $0

February 0 $0 2,107 $1,412 315 $258

March 3,838 $2,610 0 $0 0 $0

April 217 $148 0 $0 0 $0

May 1,008 $685 3,776 $2,530 1,554 $1,274

June 238 $161 420 $281 0 $0

July 1,173 $798 735 $492 0 $0

August 2,807 $1,936 1,382 $926 1,036 $850

September 2,009 $1,446 4,182 $3,036 5,233 $4,272

October 1,090 $783 2,892 $2,371 1,491 $1,148

November 0 $0 966 $792 0 $0

December 0 $0 1,579 $1,295 0 $0

TOTAL 12,380 $8,567 18,488 $13,437 9,630 $7,803

2017 2018 2019

Fed to RAS for Filament Control

2017: June, September,

October

2018: January, February, August,

November

2019: N/A

Fed to RAS for Filament Control Resistant Strain &

EQ

2017: March

2018: N/A

2019: August

Hypo Fed to Influent & RAS

2017: August

2018: September

2019: N/A

EQ Event

2017: April, May, July

2018: May, June, July, October,

December

2019: February, May, September,

October

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43 | P a g e

Ammonia TWA Limit Nov - Apr

Month Final Effluent EFF pH at TWA pH

January 8.40 7.47 27

February 8.40 7.35 31

March 3.36 7.42 27

April 3.92 7.45 27

May 3.64 7.63 19

June 5.60 7.31 31

July 4.48 7.37 31

August 5.52 7.28 35

September 5.23 7.41 27

October 1.70 7.40 27

November 2.19 7.43 27

December 3.63 7.28 35

AVG 4.67 7.40 29

MAX 8.40 7.63 35

MIN 1.70 7.28 19

AMMONIA SUMMARY It is necessary to remove or reduce the

amount of ammonia in the final effluent in

order to protect the receiving water. In the

un-ionized form, ammonia is toxic to the

aquatic life in Lake Michigan. In the

aeration system at the Wastewater

Treatment Plant, the nitrifying bacteria

reduce the ammonia to nitrite and nitrate.

The pH of the final effluent is monitored

closely and pH is reported as a time

weighted average (TWA) of all of the daily

pH data. The ammonia limit varies based on

the daily TWA pH because at higher pH,

ammonia is more toxic to the biotic make-

up of the ecosystem. The treatment plant

received a limit for seasonal ammonia in its

2015 WPDES Permit. The limit covers a six

month seasonal period from November

through April.

SODIUM BISULFITE SUMMARY

Sodium bisulfite (NaHSO3) is added to the equalization basin effluent to remove chlorine that

was added for pathogen control (disinfection). The plant has a maximum daily limit of <37

parts per billion (ppb) for chlorine. NaHSO3 is a clear, colorless to light yellow solution with a

distinctive odor. Sodium bisulfite is essentially very fine crystallized sodium granules that are

dissolved in a bisulfite solution. Sodium bisulfite acts as a reducing agent for purifying and

destroying residual chlorine. NaHSO3 used for wastewater treatment usually is purchased at

about 37% concentration. The solution is acid, reactive, and bisulfite is very reactive with

sodium hypochlorite, caution must be taken when using the two chemicals together and

when accepting and receiving deliveries of the two chemicals.

Month Gallons Cost Gallons Cost Gallons Cost

January 0 -$ 0 -$ 0 -$

February 0 -$ 0 -$ 0 -$

March 1,463 2,102.00$ 0 -$ 0 -$

April 0 -$ 0 -$ 0 -$

May 0 -$ 2,075 2,780.58$ 0 -$

June 0 -$ 0 -$ 0 -$

July 980 1,313.20$ 0 -$ 0 -$

August 0 -$ 0 -$ 0 -$

September 0 -$ 0 -$ 0 -$

October 0 -$ 299 400.66$ 209 325.64$

November 0 -$ 0 -$ 0 -$

December 0 -$ 0 -$ 0 -$

Total 2,443 3,415.20$ 2,374 3,181.24$ 209 325.64$

2017 2018 2019

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44 | P a g e

LIQUID WASTE HAULERS SUMMARY

Pat's Stericycle Total

Month Gallons Charges Gallons Charges Gallons Charges

January 24,600 $225.58 38,300 $619.31 63,126 $844.89

February 40,400 $366.43 26,900 $373.10 67,666 $739.53

March 22,100 $200.45 31,575 $437.95 53,875 $638.39

April 62,000 $562.34 31,000 $429.97 93,562 $992.31

May 40,700 $369.15 39,000 $540.93 80,069 $910.08

June 5,000 $45.35 32,500 $450.78 37,545 $496.13

July 18,500 $167.80 35,000 $485.45 53,668 $653.25

August 47,300 $429.01 30,600 $424.42 78,329 $853.43

September 35,500 $321.99 27,300 $378.65 63,122 $700.64

October 38,900 $352.82 32,200 $446.61 71,453 $799.44

November 19,800 $179.59 26,800 $371.72 46,780 $551.30

December 9,300 $84.35 29,200 $405.00 38,584 $489.36

Total 364,100 $3,304.85 380,375 $5,363.89 747,780 $8,668.74

AVG 30,342 $275.40 31,698 $446.99 62,315 $722.39

Waste Hauler Rates (per 1,000):

Pat's Stericycle

January $9.17 January $16.17

February-

December $9.07

February-

December $13.87

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45 | P a g e

COMMUNITY INFLOW AND INFILTRATION CHART

Racine 2013 2014 2015 2016 2017 2018 2019 AVGWA Sales (Mgal) 2,735.00 2,720.00 2,692.67 2,957.80 2,593.12 2,526.43 2,454.34 2,668.5

Total Credit Meters (Mgal) 483.00 500.00 493.87 676.58 429.55 401.29 270.25 464.9

Total Water-Only Meters (Mgal) 174.07 198.00 162.77 81.16 210.87 165.4

Summer Rate Adjust (Mgal) 122.00 106.00 113.76 140.19 120.22 117.34 112.16 118.8

WA Usage (Mgal) 2,130.00 2,114.00 1,910.96 1,943.03 1,880.57 1,926.64 1,861.06 1,966.6

WW Discharge (Mgal) 3,913.37 3,562.64 3,442.60 3,754.11 3,949.48 4,654.34 5,116.14 4,056.1

I&I (Mgal) 1,783.37 1,448.64 1,531.64 1,811.08 2,068.90 2,727.69 3,255.08 2,089.5

% I&I 45.6% 40.7% 44.5% 48.2% 52.4% 58.6% 63.6% 51.5%

Mt Pleasant (Less SCJ ) 2013 2014 2015 2016 2017 2018 2019 AVGWA Usage (Mgal) 1,459.96 1,446.27 1,263.55 1,433.75 1,515.00 1,420.62 1,281.48 1,402.9

SCJ Non-Sewer Water (Mgal) 646.33 650.94 575.88 654.84 763.86 620.29 557.22 638.5

WA Usage (Mgal) 813.63 795.32 687.67 778.91 751.14 800.32 724.26 764.5

WW Discharge (Mgal) 2,050.30 1,964.20 1,812.79 2,170.46 2,174.15 2,293.49 2,574.18 2,148.5

I&I (Mgal) 1,236.67 1,168.88 1,125.13 1,391.54 1,423.01 1,493.17 1,849.93 1,384.0

% I&I 60.3% 59.5% 62.1% 64.1% 65.5% 65.1% 71.9% 64.4%

Caledonia 2013 2014 2015 2016 2017 2018 2019 AVGWA Usage (Mgal) 427.09 412.08 358.63 372.58 489.57 431.92 435.07 418.1

WW Discharge (Mgal) 1,378.68 1,217.53 1,163.12 1,136.27 1,291.85 1,513.71 1,636.83 1,334.0

I&I (Mgal) 951.59 805.45 804.49 763.69 802.29 1,081.79 1,201.75 915.9

% I&I 69.0% 66.2% 69.2% 67.2% 62.1% 71.5% 73.4% 68.7%

Sturtevant 2013 2014 2015 2016 2017 2018 2019 AVGWA Sales (Mgal) 223.36 235.55 241.55 256.04 249.17 254.44 238.97 242.7

Total Credit Meters (Mgal) 2.37 1.48 1.83 2.11 1.97 2.37 1.49 1.9

WA Usage (Mgal) 220.98 234.07 239.72 253.93 247.20 252.07 237.48 240.8

WW Discharge (Mgal) 291.45 300.35 287.85 325.34 378.32 414.03 450.37 349.7

I&I (Mgal) 70.47 66.27 48.12 71.41 131.12 161.96 212.90 108.9

% I&I 24.2% 22.1% 16.7% 22.0% 34.7% 39.1% 47.3% 31.1%

Elmwood Park 2013 2014 2015 2016 2017 2018 2019 AVGWA Usage (Mgal) No Data No Data No Data 13.39 15.49 14.52 13.46 14.2

WW Discharge (Mgal) No Data No Data No Data 23.00 39.31 46.20 46.68 38.8

I&I (Mgal) No Data No Data No Data 9.62 23.82 31.68 33.21 24.6

% I&I No Data No Data No Data 41.8% 60.6% 68.6% 71.2% 63.4%

North Bay 2013 2014 2015 2016 2017 2018 2019 AVGWA Usage (Mgal) No Data No Data No Data 5.84 6.21 5.99 4.94 5.7

WW Discharge (Mgal) No Data No Data No Data 16.12 26.95 32.63 40.61 29.1

I&I (Mgal) No Data No Data No Data 10.28 20.74 26.64 35.67 23.3

% I&I No Data No Data No Data 63.8% 76.9% 81.6% 87.8% 80.2%

2013 2014 2015 2016 2017 2018 2019 OverallTotal WW Discharge (Mgal) 7,633.81 7,044.71 6,706.36 7,425.30 7,860.06 8,954.40 9,864.80 7,927.1

Total I&I (Mgal) 4,042.11 3,489.24 3,509.37 4,057.63 4,469.87 5,522.92 6,588.54 4,525.7

Overall System % I&I 53.0% 49.5% 52.3% 54.6% 56.9% 61.7% 66.8% 57.1%

Precipitation (Inches) 41.42 36.77 32.22 35.55 38.54 46.27 48.78 39.94

I&I (Mgal) / Inch Precip 97.59 94.89 108.92 114.14 115.98 119.36 135.07 113.3

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46 | P a g e

MAINTENANCE & ENERGY

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47 | P a g e

ENERGY INDEPENDENCE WITH BIOGAS The Racine Wastewater Utility has been using biogas in its operations for over 50 years. Biogas

is a bi-product of decomposition from organic material in the digester operations. Biogas

makeup is approximately 63% methane and has a Btu value of 630 Btu/ft3 compared to 1000

Btu/ft3 for natural gas. The Utility strives to make use of the biogas in the most cost efficient

manner to reduce overall energy needs. The biogas can be used in engines for aeration or

boilers for digester and building heat. Digester operation requires temperature maintained at 95° Fahrenheit. Heat exchangers were installed to recover heat from the engines to preheat

boiler water to reduce energy used to heat digesters and buildings. Future goals are to

reclaim more energy from wastewater operations and to work towards the goal of energy

independence sometime in the future.

Biogas Monthly Production and Use

Total

Average Daily Values (Ft3) Gas to Gas to Gas to Dig Gas

Dig A Dig B Dig D Dig E Boilers Engines Flare Produced

Jan 51,421 34,546 57,157 49,219 25,374 155,436 5,102 185,912

Feb 55,650 22,297 67,231 56,299 37,459 151,947 888 190,294

Mar 55,150 40,730 55,914 47,582 27,099 160,770 1,636 189,505

Apr 61,461 46,226 62,534 45,907 28,838 171,245 1,266 201,349

May 68,798 33,083 58,058 46,965 32,680 175,742 2,149 210,571

Jun 58,711 31,237 51,203 43,922 22,114 164,757 6,160 193,031

Jul 49,094 40,716 44,064 49,722 8,738 173,423 3,466 185,627

Aug 46,960 44,798 40,861 56,222 5,999 169,131 83 175,213

Sep 49,748 46,004 38,214 56,419 6,283 162,718 98 169,099

Oct 39,216 41,840 32,482 54,476 15,761 139,351 433 155,545

Nov 42,265 41,337 37,572 52,803 7,826 154,351 53 162,230

Dec 51,945 47,548 47,793 49,726 24,807 161,282 589 186,678

AVG 52,535 39,197 49,424 50,772 20,248 161,679 1,827 183,755

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48 | P a g e

PLANT WATER & ENERGY CONSUMPTION

Month

100

CF

Water

Cost

$

Water

Natural

Gas

Therms

Cost

$

Nat Gas

Conversion

Nat Gas

Therms to

kWh

Electric

kWh

Cost

$

Electricity

Biogas

kWh

Total kWh

Used

kW

Peak

Demand

January 48,670 $26,504 1,426,031 573,439 $52,074 1,476,081 3,475,551 42 % 1,255

February 42,120 $20,364 1,234,116 639,899 $61,543 1,377,663 3,251,678 42 % 1,606

March 27,200 $54,400 36,140 $16,869 1,058,902 703,542 $63,584 1,516,475 3,278,919 46 % 1,536

April 29,390 $11,316 861,127 645,289 $58,436 1,535,194 3,041,610 50 % 1,383

May 17,240 $6,407 505,132 602,873 $58,431 1,634,085 2,742,090 60 % 1,536

June 27,869 $55,738 10,050 $3,988 294,465 612,093 $55,864 1,462,030 2,368,588 62 % 1,329

July 7,720 $2,984 226,196 560,133 $50,530 1,483,812 2,270,141 65 % 1,176

August 17,770 $5,988 520,661 539,006 $48,584 1,443,578 2,503,245 58 % 1,081

September 27,119 $53,696 19,890 $6,648 582,777 718,749 $66,895 1,363,071 2,664,597 51 % 1,710

October 34,280 $11,852 1,004,404 652,782 $62,674 1,329,030 2,986,216 45 % 1,669

November 42,530 $16,926 1,246,129 615,069 $56,464 1,325,282 3,186,480 42 % 1,362

December 23,429 $52,950 38,630 $17,172 1,131,859 536,189 $47,563 1,506,289 3,174,337 47 % 1,051

Total / AVG 105,617 $216,784 344,430 $147,018 10,091,799 7,399,063 $682,642 12,257,435 29,748,297 41 % 1,391

* **This years data does not include the lift station, the maintendance facility and unmetered water usage***

%

Energy

Produced

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49 | P a g e

NATURAL GAS AND ELECTRICAL CONSUMPTION & COST

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50 | P a g e

ENERGY EFFICIENCY UPGRADES – LED SAVINGS

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51 | P a g e

ENERGY STAR SCORECARD

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52 | P a g e

UTILITY TOTAL ENERGY USE, GAS USAGE

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53 | P a g e

ELECTRIC USAGE VS. FLOW & UTILITY ELECTRICITY

t

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54 | P a g e

LABORATORY

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55 | P a g e

Laboratory Services

The Racine Wastewater Treatment Plant laboratory is a WDNR certified laboratory, providing

analytical support for regulatory compliance, plant process control, the Industrial Pretreatment

Program and Hauled Waste monitoring. Certification is maintained with annual proficiency testing

and an on-site audit every 3 years.

The laboratory staff comprises the Laboratory Director, three chemists and one technician. All

personnel hold a bachelor’s degree in biology, chemistry or environmental science and are WDNR

certified operators in the laboratory subcategory. The Laboratory Director is responsible for

oversight of all laboratory functions, standard operating procedures (SOPs), submission of monthly

eDMRs and assisting in preparation of the annual biosolids management report. The Director also

serves as quality assurance and chemical hygiene officer. Laboratory staff responsibilities include

wet chemistry, microbial analysis, metals analysis, instrument preventative maintenance, data

management & interpretation and preparation of analytical reports. The staff undergoes regular

training to enhance their analytical skills and wastewater related knowledge.

The Racine Wastewater Laboratory scope of accreditation includes biochemical oxygen demand

(BOD), total suspended solids (TSS), total phosphorus (TP), ammonia (NH3), total kjeldahl nitrogen

(TKN), cyanide (CN), hardness, metals and mercury. Accreditation extends to solid matrices (e.g.

biosolids – cake sludge) on a pared down list of parameters. Additional routine testing performed

in-house includes pH, conductivity, chlorine, volatile acids, alkalinity, water extractable phosphorus

(WEP), volatile solids (VS), fecal coliforms and E. coli. Methodology including oxygen demand

assays, gravimetry, titrimetry, colorimetry, optical emission spectroscopy and cold vapor atomic

absorption are used to quantify unknowns.

Typical samples include those collected throughout the plant and collection system. Plant samples

are mandated in the Utility’s WPDES permit; others serve process control purposes. Collection

system samples are largely industrial users and outlying communities; data serves to calculate fees,

local limits and evaluate compliance with the industrial pretreatment program. Samples of hauled

waste are monitored to calculate fees and evaluate suitability of treatment. Periodically the

laboratory volunteers to participate in or initiate studies in preparation for future regulation,

demand, etc.

Several permit related parameters are beyond the scope of current

capabilities. Influent and effluent mercury is monitored monthly in

accordance to the Mercury Pollutant Minimization Program (PMP). These

samples are subcontracted to a Wisconsin certified commercial

laboratory with lower detection limits. Also recorded on the eDMR, but no

limit enforced, is a quarterly sample from Lake Michigan for mercury and

arsenic. Similarly, samples are subcontracted for the lowest possible

detection limit. Once annually, samples of final effluent are

subcontracted to a certified laboratory for whole effluent toxicity (WET)

testing. A sample of cake sludge is analyzed for polychlorinated biphenyls

(PCBs) once per permit cycle.

In support of the Utility’s greater mission, it is the laboratories objective to

produce data of the highest quality, uphold a standard of excellence

with integrity, and responsibly manage the investment by those we serve. Optical BOD Probe &

Multifunction Meter

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56 | P a g e

PRETREATMENT

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57 | P a g e

PRETREATMENT REVIEW The Pretreatment Department was developed at the Racine Wastewater Utility in 2018. This

department consists of the Pretreatment Coordinator and three sample crew members. The

Pretreatment Department is responsible for a variety of tasks including dye testing, flow monitoring

within the collection system, televising sewer mains, conducting FOG visits, conducting dental

inspections and administering the Mercury Pollution Prevention Program, groundwater permitting,

responding to sewer calls, and administering the Industrial Pretreatment Program. In relation to the

Industrial Pretreatment Program, the Pretreatment Department is also responsible for conducting

industrial inspections, annual and semi-annual DNR reporting, collecting wastewater samples from

all regulated industries, industries of interest, and outlying communities, watching for changes in

conditions of industrial discharge, maintaining contact with industries, data handling, compliance

evaluations, and enforcement actions. Each industry in the program is inspected at least once per

year. The inspection process includes a walk-through of industrial processes and discharges,

inspection of the sample site, notation of changed conditions, and review of spill/slug plans, toxic

organic management plans (if required) and hauled waste records. Other site-specific inspections

are scheduled if necessary. Industries that have the potential to be included in the Pretreatment

Program, as well as other industries that are under permitting consideration are also inspected as

needed.

The Industrial Pretreatment Program is a federally mandated, self-funded program which regulates

industrial wastewater discharges in Racine and surrounding communities. In 1984, the Utility

became the delegated control authority to regulate industrial discharges to the Racine

Wastewater Utility. The Utility regulates industries that fall under several federally mandated

categorical discharge limits. There are also permitted industries which are categorical but

discharge less than 100 GPD of process waste; these are regulated as Non-Significant Categorical

Industrial Users (NSCIUs).

Also included in the Pretreatment Program are industries serviced by the Racine Wastewater Utility

which do not fall into the Federal list of categorical industries. These industries are non-categorical

and are therefore regulated by the City of Racine local wastewater discharge ordinance. The

local industries included in the Industrial Pretreatment Program are those industries that have the

potential to impact the wastewater treatment plant processes or by-products. There are permitted

industries which do not discharge any process waste and are not categorical, but have the

potential to exceed local limits if discharge were to occur. These industries must provide the Utility

with a “No Discharge Statement” every six months to maintain their status. There are also industries

designated as Minimal Discharge. These industries seldom discharge or the discharge volume is

minimal. These industries self-sample and the Utility inspects them annually. A listing of the industries

divided by discharge category follows this summary.

A sampling schedule is created based upon industrial discharge status and compliance. To fund

the program, regulated industries are charged annually for a discharge permit and semi-annually

for all sampling and analysis that the Utility undertakes. The Industrial Pretreatment Program was

audited by the Wisconsin DNR in early 2020. Each industry was issued a new permit effective

January 1, 2017. All industrial discharge permits have a term of less than five years and are

modified as needed. Modifications may include changing sample locations, addition or deletion

of discharge processes, changing from categorical to local (or the reverse), change in discharge

volume, or change in ownership. Two permitted industries changed ownership in 2019.

Operations remained the same so limits were unchanged. One industry removed categorical

processes and their permit was therefore modified to be regulated under local limits. One industry

was changed from a categorical facility to a Non-Significant Categorical Industrial User (NSCIU)

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due to the discontinuation of discharge. The estimated total person hours used to implement the

Industrial Pretreatment Program in 2019 was 2,242 hours. The estimated total cost of the program

was $135,238.

In 2019, there were thirty-nine (39) permitted industries in the Industrial Pretreatment Program. There

were nineteen (19) categorical and twenty (20) non-categorical industries. Industrial categories

regulated in 2018 include: eleven Metal Finishing, two Electroplating/Metal Finishing, four Metal

Molding and Casting, one Soap and Detergent Manufacturing and one Pesticide Formulating,

Packaging and Repackaging (PFPR). These categorical industries have specific numerical limits set

by the Federal Government for pollutants characteristically found in their process wastewater

discharge. The parameters regulated include oil & grease, organic chemicals, cyanide and

various metals. There was one no-discharge permitted industry; three minimal discharge permitted

industries, and five NSCIU permitted industries.

Four industries were inspected for inclusion into the pretreatment program; none of these were

found to perform categorical processes. One is being sampled and monitored but has not yet

been included into the program. The other businesses were found not to have any significant

discharge volume or any potential to negatively affect the wastewater treatment processes.

Two industries were in significant non-compliance (SNC) during 2019. There were ten incidents of

noncompliance during the year. Violations included exceedance of established limits in oil &

grease, pH, copper, chromium, zinc, and nickel. There were also two reporting violations and one

violation for failure to monitor all pollutants as required. There were no treatment plant upsets and

the plant did not exceed any discharge limits as a result of industrial noncompliance. All industries

that are in noncompliance are required to investigate the cause of the noncompliance, provide

the Utility a written response explaining the cause and how the noncompliance will be resolved,

and take additional samples to show that their discharge is back into compliance. Continuing

noncompliance results in increased enforcement.

Pollution Prevention activities included distributing information, attending training seminars and

recognizing industries in total compliance with a congratulatory letter and certificate. The Racine

Wastewater Utility continues to promote mercury recycling and reduction in the Racine area

through their Mercury Pollution Prevention Plan.

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PERMITTED INDUSTRIAL USERS 2019

METAL FINISHING

BRP USA JENSEN METAL PRODUCTS (NSCIU)

CHROMIUM, INC KOLAR ARMS/LETSCH MANUFACTURING

CNH INDUSTRIAL AMERICA POWDER FINISHERS

CREE LIGHTING–IDEAL INDUSTRIES LIGHTING SHURPAC, INC

D & D INDUSTRIAL FINISHING- PLANT #1 SUPERIOR INDUSTRIAL CORPORATION

THERMAL TRANSFER PRODUCTS

ELECTROPLATING – JOB SHOPS

WISCONSIN PLATING WORKS-CARROLL ST WISCONSIN PLATING WORKS – STANNARD ST

METAL MOLDING & CASTING

IN-SINK-ERATOR (H) QUICK CABLE CORPORATION (NSCIU)

PREMIER ALUMINUM (NSCIU) WOODLAND/ALLOY CASTING (NSCIU)

PESTICIDE FORMULATING, PACKAGING AND REPACKAGING

SC JOHNSON & SON – WAXDALE FACILITY

SOAP AND DETERGENT MANUFACTURING

DW DAVIES (NSCIU)

NON-CATEGORICAL

A & E MANUFACTURING MODINE MANUFACTURING

ANDIS COMPANY PUTZMEISTER AMERICA

BUTTER BUDS FOOD INGREDIENTS RACINE WATER UTILITY

D & D INDUSTRIAL FINISHING PLT #2 (ND) SC JOHNSON – HOWE STREET FACILITY

DIVERSEY (MD) STERICYCLE (HW)

FEDERAL HEATH (E.C.) STYBERG ENGINEERING

GREAT NORTHERN CORPORATION TWIN DISC – RACINE STREET (H) (MD)

JOURNAL TIMES TWIN DISC – 21st STREET (H)

KHP LANDFILL (REPUBLIC SERVICES) WE ENERGIES-GASLIGHT POINT REMEDIATION

MIDLAND PACKAGING AND DISPLAY- WISCONSIN SCREEN PROCESS (MD)

(GREEN BAY PACKAGING-MIDLAND DIV)

ND = No Discharge

MD = Minimal Discharge

NSCIU = Non-Significant Categorical Industrial User

H = Process Waste Hauled Off Site

HW = Hauled Waste to Plant

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SUMMARY OF TREATMENT PLANT ANALYTICAL MERCURY DATA

Date Conc. Test Date Conc. Test % Date Conc. Test

2018 ng/L Method 2018 ng/L Method Removal 2018 mg/kg Method

01/09/18 5.7 245.7M, Rev 2.0 01/09/18 1.4 EPA 1631E, 2002 75.4 01/09/18 0.82 SW 846 7471B

02/06/18 19 245.7M, Rev 2.0 02/06/18 1.0 EPA 1631E, 2002 94.7 02/06/18 0.37 SW 846 7471B

03/06/18 66 245.7M, Rev 2.0 03/06/18 1.7 EPA 1631E, 2002 97.4 03/06/18 0.29 SW 846 7471B

04/04/18 60 245.7M, Rev 2.0 04/04/18 0.95 EPA 1631E, 2002 98.4 04/04/18 0.50 SW 846 7471B

05/02/18 20 245.7M, Rev 2.0 05/02/18 1.1 EPA 1631E, 2002 94.5 05/02/18 0.59 SW 846 7471B

06/06/18 12 245.7M, Rev 2.0 06/06/18 1.2 EPA 1631E, 2002 90.0 06/06/18 0.54 SW 846 7471B

07/10/18 11 245.7M, Rev 2.0 07/10/18 1.30 EPA 1631E, 2002 88.2 07/10/18 0.74 SW 846 7471B

08/08/18 23 245.7M, Rev 2.0 08/08/18 0.89 EPA 1631E, 2002 96.1 08/15/18 0.59 SW 846 7471B

09/04/18 49 245.7M, Rev 2.0 09/04/18 1.5 EPA 1631E, 2002 96.9 09/04/18 0.44 SW 846 7471B

10/02/18 50 245.7M, Rev 2.0 10/02/18 2.8 EPA 1631E, 2002 94.4 10/02/18 0.49 SW 846 7471B

11/06/18 11 245.7M, Rev 2.0 11/06/18 0.96 EPA 1631E, 2002 91.3 11/07/18 0.49 SW 846 7471B

12/11/18 11 245.7M, Rev 2.0 12/11/18 1.2 EPA 1631E, 2002 89.1 12/11/18 0.48 SW 846 7471B

Influent Effluent Removal Biosolids

Average Average 92.2% Average

Date Conc. Test Date Conc. Test % Date Conc. Test

2019 ng/L Method 2019 ng/L Method Removal 2019 mg/kg Method

01/08/19 7.6 245.7M, Rev 2.0 01/08/19 1.3 EPA 1631E, 2002 82.9 01/08/19 1.2 SW 846 7471B

02/06/19 10 245.7M, Rev 2.0 02/06/19 5.2 EPA 1631E, 2002 48.0 02/06/19 0.60 SW 846 7471B

03/05/19 25 245.7M, Rev 2.0 03/05/19 2.2 EPA 1631E, 2002 91.2 03/12/19 0.5 SW 846 7471B

04/02/19 10 245.7M, Rev 2.0 04/02/19 1.30 EPA 1631E, 2002 87.0 04/02/19 0.93 SW 846 7471B

05/08/19 6.8 245.7M, Rev 2.0 05/08/19 0.95 EPA 1631E, 2002 86.0 05/08/19 0.77 SW 846 7471B

06/11/19 15 245.7M, Rev 2.0 06/11/19 0.99 EPA 1631E, 2002 93.4 06/11/19 0.71 SW 846 7471B

07/10/19 19 245.7M, Rev 2.0 07/10/19 1.20 EPA 1631E, 2002 93.7 07/10/19 0.55 SW 846 7471B

08/06/19 42 245.7M, Rev 2.0 08/06/19 1.2 EPA 1631E, 2002 97.1 08/06/19 0.69 SW 846 7471B

09/11/19 21 245.7M, Rev 2.0 09/11/19 0.83 EPA 1631E, 2002 96.0 09/11/19 1.2 SW 846 7471B

10/08/19 7.3 245.7M, Rev 2.0 10/08/19 1.4 EPA 1631E, 2002 80.8 10/08/19 0.66 SW 846 7471B

11/06/19 11 245.7M, Rev 2.0 11/06/19 1.8 EPA 1631E, 2002 83.6 11/06/19 0.54 SW 846 7471B

12/10/19 10 245.7M, Rev 2.0 12/10/19 1.1 EPA 1631E, 2002 89.0 12/10/19 0.92 SW 846 7471B

Influent Effluent Removal Biosolids

Average Average 85.7% Average

Is there a mercury limit in local sewer use ordinance? Yes Laboratory doing the mercury analysis:

If yes, what is it? 0.10 mg/l

2018

2019

Northern Lake Service #721026460

Influent Effluent Biosolids

15.4 1.6 0.77

Influent Effluent Biosolids

28.1 1.3 0.53

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MERCURY MINIMIZATION PROGRAM The Racine Wastewater Utility WDNR permit number WI-0025194-07-1 required that the Utility submit

annual status reports on the progress of the mercury pollutant minimization program. The current

(2020) Racine WPDES permit number WI-0025194-09-0 has an effluent mercury limit of 4.0 ng/L. The

goal remains to reduce mercury coming into the plant. The annual status report is due to the

WDNR by December 31 of each year. Each report covers the period from January 1 to December

31 of the previous year. The initial plan was submitted in March 2006, following two years of

wastewater monitoring.

The Utility continues to survey different sectors thought to contribute mercury to the waste stream.

Sectors surveyed include schools, medical facilities, industries, general public and dental facilities.

Contacts have been made with each of these sectors by mail, email and/or phone. Best

Management Practices (BMPs) are used by the various mercury source sectors to reduce or

eliminate mercury contributions to the wastewater. All Racine area dental facilities that place or

remove amalgam dental fillings are required to have amalgam separators and are required to

implement Best Management Practices for Dental Facilities as outlined by the American Dental

Association and the new EPA Dental Rule. Health centers and schools are committed to be

mercury-free. School and medical facility status is updated as needed. The Utility accepts mercury

thermostats at no charge by partnering with the Thermostat Recycling Corporation (TRC).

Thermostats are collected from the public at all scheduled household hazardous waste events

and at the wastewater plant from area contractors. Accumulated thermostats are stored in the

designated container and sent in for recycling annually.

The Utility will continue to monitor the wastewater effluent to assess progress towards the Water

Quality Limitation. Annual reporting of the Mercury PMP to the WDNR will evaluate progress. The

2019 Community Mercury PMP Score, the laboratory data from 2018 and 2019, as well as a graph

of the measured mercury in the influent and effluent from 2003-2019 are included in this report.

Influent and Effluent levels have decreased since 2003.

Mercury is measured in ng/l (nanograms per liter) or PPT (parts per trillion); the units are

interchangeable. Influent and effluent levels have decreased since 2003.

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COMMUNITY MERCURY PMP SCORE

Facility Name: Racine Wastewater Utility Report Date: May 18, 2020

I. Wastewater Sectors (Should be included in Mercury PMP Plan):

Sector Sector Score X

Weighting

Factor* =

Weighted Sector

Score

A: Medical (from Form 4C) 100 X (0.15) = 15.0

B: Dental (from Form 5C) 100 X (0.50) = 50.0

C: School (from Form 6C) 100 X (0.15) = 15.0

D: Industry (from Form 7C) 100 X (0.20) = 20.0

Total Wastewater Sectors Score 100.0

*Weighting factor is the relative fraction of mercury to POTW that is attributable to each sector. If

you know what fraction comes from each sector you can adjust accordingly. The weighting factors must

add up to 1. Use default values in parenthesis above if unknown.

II. Other Community Sectors (May be included in Mercury PMP Plan):

Sector Sector Score X

Weighting

Factor** =

Weighted Sector

Score

A: General Public (from Form

8A) 100 X (0.1) = 10

B: HVAC (from Form 8B) 4 X (0.1) = 0.4

C: Auto Switch (from Form

8C) 0 X (0.1) = 0

D: Fluorescent Bulb (from

Form 8D) 60 X (0.1) = 6

Total Other Community Sectors Score 16.4

**Weighting factor is between 0.0 and 0.1. Wisconsin’s weighting factor is 0.1.

III. Other Credits (May be included in Mercury PMP Plan):

Other Score X

Weighting

Factor** = Weighted Score

A: Historical (from Form 9A) 23 X (0.1) = 2.3

B: Extra-Jurisdictional (from

Form 9B) 17 X (0.1) = 1.7

Total Other Credits Score 4.0

**Weighting factor is between 0.0 and 0.1. Wisconsin’s weighting factor is 0.1.

IV. Community Mercury PMP Score: Total Score

Sum of Wastewater Sectors, Other Community Sectors and Other PMP

Credits 120.4

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Collection System / Lift Stations

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COLLECTION SYSTEMS AND LIFT STATIONS

In 2019, the Utility continues to focus on the Capacity, Management, Operations and

Maintenance Program (CMOM). The CMOM Program has been developed by the United States

Environmental Protection Agency and the Wisconsin Department of Natural Resources. In

accordance with the WDNR, as of August 1, 2016 anyone owning a collection system in the State

of Wisconsin must have a CMOM. The goal of the program is to develop guidelines for the

operation and maintenance of wastewater collection systems. The Utility developed their first

CMOM in 2005; in 2016 and again in 2019, the CMOM was updated to meet the current

requirements of the WDNR.

In February of 2010, the Utility became a member of Diggers Hotline. The Field Operations staff

spent many hours establishing areas of concern and relaying them to Diggers Hotline. The Utility

then contracted with USIC Locating Services in order to establish the most cost effective manner

of locating and marking our underground infrastructure.

The Utility continues to implement flow studies within the collection system, in an attempt to

pinpoint infiltration and inflow. In 2019, we continued to monitor flow in different areas within the

City of Racine covering about 72,663.3 linear feet of sewer main.

The Utility implemented an interceptor closed circuit televising (CCTV) program in 2010. By 2017,

all 252,084 linear feet of Utility owned interceptor sewers ranging in size from 6 inch to 84 inch were

televised. When minor defects or obstructions were discovered, they were dealt with immediately.

Larger defects were assessed and scheduled for repair in a timely manner. The Utility will continue

to contract CCTV work in aging interceptors.

In 2014, the Utility purchased a CCTV system and installed it in our Industrial Sampling truck at a

cost of $102,550. The system is used to assess emergency situations in the sewer cleaning operation

as well as televising trouble spots within the collection system. In 2019, the crew televised 10,928.8

linear feet of interceptors and 11,225.1 linear feet of collector sewer mains within the collection

system.

In 2008, the Utility formed a Technical Advisory Committee. The Committee members represent

the Wastewater Utility and outlying communities. They were selected for their expertise and

understanding of the Racine Wastewater Utility system. The Committee continues to work on

immediate and long-term issues in the system, cost-sharing between municipalities, understanding

the sewer agreement, and development of strategies for streamlining future projects. The Storage

Optimization Study was completed in late 2009. This study identified $193 million in improvements

to the regional collection system to mitigate bypassing and backups. The improvements would be

completed in stages over a period of time to accommodate 2035 peak flows anticipated during a

40-year storm event.

Continuing in 2019, a new section of force main was installed in Hamilton Street. This was in

preparation for the proposed multi-tenant Harborside development project. It will connect the

proposed new lift station at Harborside just east of Michigan Blvd to the existing force main added

in 2018 and will then dump into the interceptor in N. Wisconsin Street.

The 2.4 million gallon Lift Station #2 Storage Tank was available for use on July 23, 2019. The tank

will be used in high flow situations to relieve excess flow to the Root River Interceptor. At a cost of

over $12 million, the final touches of this project should be completed in 2020.

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A number of telemetry upgrades were completed by Utility staff in 2019. These upgrades were

necessary to change the lift station communication radios from analog to digital.

Lift Station #7 was using an aging 650 linear foot 8 inch force main; original to the station in 1958. In

2019, at a project cost of $225,319, this force main was replaced using a new C-900 PVC pipe and

increased in size to 10 inch in order to better service the Greater North Bay area.

As part of an ongoing project, and in conjunction with the DNR, the building at 1901 6th Street was

removed in 2019. This was in preparation for the upcoming 6th Street bridge replacement which will

include the relocation of the Utility’s 30 inch interceptor which is currently part of the bridge

structure.

The sewer maintenance crew continues to do an outstanding job of maintaining the City of

Racine’s 203 miles of sewer mains that make up the collection system, as well as the Utility owned

52 miles of interceptors and force mains. In 2019, the crew cleaned 559,207.0 linear feet (105.9

miles) of the 255 miles of sewer in the collection system. The crew used our root saws on 81,028.0

linear feet of sewer mains, and responded to 108 sewer calls; all of the calls were lateral problems

requiring attention from the homeowners. They also responded to 4 requests for assistance from

other City departments.

The Lift Station Crew does an exceptional job maintaining the Utility’s lift stations and storage

basins. The crew also maintains the lift stations owned by the City of Racine’s Parks Department.

It should be noted that the Racine Wastewater Utility operates and maintains the regional sanitary

sewer infrastructure in the area of Racine. Local municipalities, including the City of Racine, have

the responsibility of maintaining their own collection systems that feed into the Utility system.

LIFT STATION #1

736 Washington Ave.

The lift station was originally constructed in 1931. It is the largest station in the collection system,

providing half of the treatment plant’s flow. The East side of lift station #1 was constructed in 1989,

doubling the capacity of the original station. In 2004, the West side was completely updated with

new pumps, controls, and a stainless steel crawler barscreen. In 2005, the East pumps were

reconditioned and the variable frequency drives were replaced. In 2005, the Utility also added a

2000kW, 480V diesel powered generator and building. In 2006, the aging bar screen on the East

side was replaced with a stainless steel crawler bar screen. In 2018, the level control pump system

was replaced by a state of the art programmable control system designed and installed by Utility

staff.

LIFT STATION #2

2022 Spring St.

Originally constructed in 1931, the station was modified in 1965. A third pump was added in 1970.

Area growth required an additional upgrade. In 1994 the station was redesigned, increasing the

capacity to 9.072 MGD. An additional force main and dedicated stand-by generator was added

at that time. In 2004, the Utility completed construction of an emergency bypass pumping station.

The 2-Flygt pumps have the ability to pump 2.880 MGD directly to the storm water system, thereby

preventing basement backups in the area. In 2009, the 12 inch force main from the station was

replaced. In 2010, the Utility completed the upgrade of the standby generator. The generator

output was increased from 100kW to 250kW, 480V. As part of the project, we improved the flood

protection of the station. In 2017 the Utility re-laid the interceptor upstream of the lift station; 1200

linear feet of 24 inch pipe was increase to 42 inch in preparation for a storage tank to be built in

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Brose Park which is adjacent to the lift station. The aging pump controls (1990) were upgraded in

2017. The electro mechanic controls were replaced with state of the art programmable logic

controllers. In June of 2018, construction of the storage basin adjacent to the lift station started; the

basin project should be completed in 2020.

LIFT STATION #3

1004 Riverbrook Dr.

The station was originally constructed in 1984. Upgrade of this station’s pumps occurred in 1996.

The 1.6 hp submersible pumps were converted to 2.4 hp. In 2010, the station received a complete

upgrade. A walk in control structure with an arc flash safe control panel was installed. The panel

uses VFD motor starters in order to convert 1-phase to 3-phase power. The 3 hp pumps have

greater capacity, as well as improved efficiency and reliability. This upgrade increased the station

capacity from 0.430 MGD to 0.648 MGD.

LIFT STATION #4

6 - 5th St.

The original lift station was constructed in 1967 as a pneumatic ejector station. This station was

moved and upgraded in 1987 in conjunction with the Festival Site development project. A

“package can” station, Lift Station #4 contains two 7.5 hp pumps with a capacity of 1.82 MGD. In

2014, the Utility replaced the control panel which was located underground in the “can”. The new

walk in structure is located in the adjacent parking ramp, and has an arc flash safe control panel.

The station serves Lakeshore Towers, the Festival site, and Pershing Park.

LIFT STATION #5

1530 - 13th St.

The lift station was originally constructed in the summer of 1955 as a pneumatic ejector station. In

1971 it was converted to a wet well and submersible pumps were installed. In 1989 a $165,000 lift

station upgrade and force main reconstruction project replaced the existing station. The two new

24 hp submersible pumps and redirected force main solved wet weather overload problems at lift

stations #5 and #10. The project was completed in January of 1990. In 2007, the Utility replaced

one of the original pumps; the old pump will remain in service as a spare. In 2015, the Utility

replaced the control panel which was located on the parkway adjacent to the station. The new

walk in structure is located next to the standby generator and has an arc flash safe control panel.

This station serves a 10-block area in the vicinity of the station, and its new capacity is 2.06 MGD

LIFT STATION #6

3236 Drexel Ave.

The original design in 1955 was a pneumatic system that called for two-150 gallon ejectors. In

1970, two more ejectors were added to handle the growth of the area. This station had a major

renovation in 1996; the ejectors were eliminated and replaced with centrifugal pumps. The pumps

are driven by 15 hp motors. This upgrade increased the capacity of the station from 2.08 MGD to

3.02 MGD. Additional capacity can easily be obtained by simply increasing the size of the

impeller. The automatic transfer switch for the stand-by generator was replaced in 2005. In 2006,

the Utility replaced an aging stand-by generator with an 85kW natural gas powered generator.

On April 9, 2011 the utility discovered the 12 inch force main was leaking under the building. An

emergency repair was implemented, and we replaced the first 85 feet of force main from the

building to the street. In July of 2018 the rest of the aging 12 inch ductile iron force main was

replaced with a 14 inch C900 PVC force main.

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LIFT STATION #7

45 Steeplechase Dr.

This station was originally constructed in April of 1958 as a pneumatic ejector station. The station

was converted to a wet well with submersible pumps in April of 1999. As part of this upgrade, a

stand-by generator was added for operation during power emergency situations. In 2016 the

control panel and fiberglass structure was replaced with a walk in structure and an arc flash safe

control panel. The lift station has two 7.5 hp pumps with a capacity of 1.22 MGD. The aging 650

linear foot 8 inch original force main was replaced in 2019 using a new C-900 PVC pipe and

increased in size to 10 inch in order to better service the Greater North Bay area.

LIFT STATION #8

3625 Rapids Ct.

A 1986 construction project combined two existing stations into one new one. One station was

located on the west side of the Root River, the other on the east side dating back to 1958. The

new “package can” station contains three 40 hp centrifugal pumps with total capacity of

5.25 MGD. This lift station serves several blocks on either side of Northwestern Avenue from Golf

Avenue to Highway 31. Construction included the installation of stand-by generator for

emergency power. The pump control system was updated in 2006, replacing the soft starts and

adding bypass circuitry that will allow the pumps to run in the event of a soft start failure. In 2012,

the Utility completed an upgrade on the standby generator. The generator output was increased

from 100kW to 150 kW, 480V.

LIFT STATION #9

3908 Francis Dr.

This station was originally constructed in April of 1955. The station was equipped with pneumatic

ejectors and had a capacity of 0.07MGD. In the spring of 1995, the station was converted to a

wet well with submersible pumps, increasing the capacity to 0.173 MGD. This lift station serves the

area north of Vista Drive between Harrington Drive and Spring Valley Drive. In 2009, the 5 hp

pumps were replaced with 7.5 hp pumps to increase the station’s capacity during high flow

situations. The 5 hp pumps will be used for spares. In 2017 the Utility replaced an aging fiberglass

control building located in the parkway adjacent to the lift station wet well with a pre-fabricated

building with arc flash safe control panel.

LIFT STATION #10

800 S. Memorial Dr.

The station was originally constructed in 1962. In order to increase capacity, a third pump was

added to the station in 1986. In 2000, the aging pumps and control system were replaced with

two higher capacity pumps. In 2005, the Utility replaced an aging stand-by generator with a

44 kV.A/240V natural gas powered generator and new automatic transfer switch. In 2008, the

Utility replaced an aging KSB pump with a Fairbanks Morse Model 5442. In 2009, the Utility installed

a second Fairbanks Morse pump; the existing KSB pump will remain in service as a spare or to be

used in high flow situations when extra capacity is required. In 2010, the 6 inch force main and

flow meter were replaced with a 10 inch force main and meter. This increased the capacity from

2.44 MGD to 3.67 MGD.

LIFT STATION #11

2750 Old Mill Dr.

The Utility took ownership of this station in November of 1993 after requested improvements were

made by the previous owner. The station provides service for the residents of Old Mill Road. It is

equipped with two submersible pumps and has a capacity of 0.792 MGD. In 2002, the Utility

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installed a dedicated stand-by generator and automatic transfer switch. In November of 2008,

the Utility completed an upgrade of the station including valves, pumps, telemetry, and controls.

LIFT STATION #12

334 Parkview Dr.

The new Lift Station #12 went on-line in December 1999. This station handles the flow along the

Root River on Parkview Drive. It has two 3.4 hp submersible pumps with a flow capacity of

0.346 MGD. In 2018, the aging control panel and fiberglass structure located in the parkway

adjacent to the station were replaced. The new walk-in structure has an arc flash safe control

panel. The pumps are now controlled by a level reading transducer and they have a backup “Fog

Rod” system for additional reliability.

LIFT STATION #13

1100 N. Main St.

This station came on line in March of 2002 and handles the flow from Hamilton to Dodge Street on

Main Street. The station is equipped with two 1.5 hp submersible pumps rated at 0.128 MGD.

LIFT STATION #14

3205 Michigan Blvd.

The Utility added a new lift station to the collection system in 2009. This lift station went on line

September 11, 2009. The purpose of the station is to isolate homes in the area from a 36 inch

interceptor that can become surcharged during high flow conditions. The station is equipped with

two 5 hp pumps, each capable of pumping 500 gallons per minute. In order to protect the

esthetics of the neighborhood, the station is located underground with the control panel and

standby generator located at remote sites in the area.

LIFT STATION #2 STORAGE TANK

2022 Spring St.

The 2.4 million gallon Lift Station #2 Storage Tank was available for use on July 23, 2019 with final

project completion in 2020. The tank will be used in high flow situations to relieve excess flow to the

Root River Interceptor.

NORTH SIDE STORAGE BASIN

3026 Mt. Pleasant St.

The construction of a North side 8.4 MG storage basin was completed in 2004. This in-ground

storage basin serves the Caledonia area during high flow situations. The storage basin is placed in

operation during periods of high flow and emptied when flows return to normal levels.

GROVE AVENUE STORAGE BASIN

1218 Grove Ave.

The Utility completed construction of the Grove Avenue Storage basin in March of 2008. The

storage basin reduces the potential for sanitary overflow into the storm water system by providing

storage of 650,000 gallons of peak sanitary flow. The stored wastewater is pumped back into the

collection system when the flow returns to normal. The tank was utilized three times in 2008.

OHIO STREET IN-LINE STORAGE

The Utility completed the construction of the Ohio Street interceptor sewer. It was available for

service in March of 2009. The sewer is located under Ohio Street between Ridgeway Avenue and

the northern boundary of Lockwood Park; it continues east in the park from Ohio Street to Illinois

Street. The sewer protects properties on Virginia Street, which are connected to a 21 inch

interceptor, from basement backups by providing 160,000 gallons of in-line overflow storage.

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SCADA

The SCADA system is always being tuned and refined as more is being learned about the

functionality of the system. The Utility is becoming more efficient through the operation of this tool.

The Utility started investigating the use of the SCADA system as a security and monitoring tool in

2001 due to the environment in which we have lived since September 11, 2001. In 2010, the Utility

began upgrading the software that controls the SCADA system and in 2019 the lift station

telemetry radios were upgraded from analog to digital.

Storage Basin Construction 2018 – Adjacent to LS #2

Lift Station #2

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LIFT STATIONS MG, KWH, WE COST

2019 Summary of Lifts #2 - #13

Time Total Avg Plant Plant WE

Period MG MGD % Flow KWH $

January 43.155 1.392 19.88 217.11 34,489 4,683

February 69.224 2.472 21.26 325.58 39,266 5,296

March 67.738 2.185 21.31 317.83 38,594 5,212

April 54.700 1.823 21.57 253.62 29,840 4,096

May 87.426 2.820 22.69 385.25 31,312 4,286

June 55.421 1.824 21.44 258.49 26,946 3,729

July 40.840 1.317 20.88 195.61 22,188 3,116

August 33.669 1.086 19.18 175.58 18,019 2,574

September 49.625 1.654 18.73 264.93 20,802 2,943

October 77.273 1.446 20.45 377.92 25,379 3,522

November 57.826 1.255 22.73 254.38 25,864 3,585

December 50.387 1.345 21.85 230.62 25,222 3,542

2019 687.284 1.718 21.00 3,256.92 337,921 $46,584

2018 624.024 1.540 9.90 7,219.79 243,976 $34,548

2017 574.045 1.646 7.38 7,686.46 243,976 $34,548

2016 524.553 1.444 7.11 7,328.15 232,355 $33,216

Lift Station #1

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 657.055 21.195 63.479 8.566 87,722 $12,135

February 487.164 17.399 35.882 7.937 122,150 $16,782

March 618.544 19.953 111.968 8.888 122,196 $16,119

April 378.714 12.624 22.735 8.410 99,703 $13,191

May 591.789 19.090 39.747 13.132 131,148 $17,618

June 385.655 12.719 20.143 9.154 138,898 $17,214

July 320.311 10.333 21.549 7.414 86,686 $11,333

August 277.763 8.960 24.444 6.717 80,783 $10,508

September 410.774 13.692 52.494 7.550 120,918 $20,313

October 565.299 18.235 42.421 9.409 126,648 $17,030

November 399.260 13.309 20.772 10.600 132,796 $14,572

December 347.501 11.210 26.950 7.950 92,694 $11,272

2019 5,439.828 14.893 111.968 6.717 1,342,342 $178,085

2018 4,130.913 11.287 62.644 0.000 1,161,416 $153,644

2017 3,895.023 10.659 46.916 5.075 1,161,416 $153,644

2016 3,741.889 10.253 29.167 6.283 1,054,617 $130,443

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Lift Station #2

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 13.203 0.426 0.655 0.321 14,360 $1,845

February 21.468 0.767 1.906 0.349 16,720 $2,156

March 20.560 0.663 2.049 0.312 16,800 $2,166

April 16.688 0.556 1.081 0.367 10,480 $1,363

May 25.309 0.816 2.083 0.527 9,040 $1,179

June 16.713 0.547 0.906 0.388 7,240 $950

July 12.811 0.413 0.828 0.330 6,280 $829

August 10.310 0.333 0.491 0.298 4,800 $639

September 11.128 0.371 0.813 0.257 4,520 $604

October 19.873 0.641 1.451 0.361 6,440 $849

November 17.514 0.584 0.674 0.522 5,640 $746

December 16.761 0.541 1.365 0.339 5,040 $671

2019 202.338 0.555 2.083 0.257 107,360 $13,999

2018 195.223 0.535 3.719 0.240 53,720 $7,186

2017 173.012 0.473 2.658 0.239 53,720 $7,186

2016 165.511 0.453 1.448 0.277 49,400 $6,682

Lift Station #3

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 1.194 0.039 0.074 0.027 1,237 $181

February 2.117 0.076 0.227 0.027 1,294 $186

March 2.520 0.081 0.361 0.039 1,702 $240

April 1.675 0.056 0.119 0.036 1,662 $235

May 2.907 0.094 0.314 0.056 1,403 $201

June 1.742 0.057 0.132 0.037 1,382 $198

July 0.994 0.032 0.095 0.019 966 $145

August 0.655 0.021 0.078 0.014 741 $114

September 1.314 0.044 0.292 0.016 797 $122

October 2.388 0.077 0.270 0.030 1,244 $181

November 1.561 0.052 0.093 0.039 1,429 $204

December 1.332 0.043 0.145 0.023 1,592 $226

2019 20.399 0.056 0.361 0.014 15,449 $2,232

2018 17.026 0.047 0.442 -0.066 10,782 $1,625

2017 14.085 0.039 0.355 0.012 10,782 $1,625

2016 11.825 0.032 0.211 0.012 10,404 $1,581

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Lift Station #4

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 0.135 0.004 0.006 0.004 1,470 $209

February 0.229 0.008 0.018 0.004 1,382 $199

March 0.175 0.006 0.013 0.003 1,234 $178

April 0.153 0.005 0.007 0.003 1,205 $176

May 0.272 0.009 0.018 0.005 1,203 $176

June 0.317 0.011 0.018 0.009 1,203 $174

July 0.466 0.015 0.025 0.010 1,224 $177

August 0.309 0.010 0.014 0.009 1,186 $173

September 0.301 0.010 0.027 0.008 1,168 $170

October 0.268 0.009 0.013 0.007 1,419 $204

November 0.202 0.007 0.010 0.005 1,290 $185

December 0.214 0.007 0.009 0.006 1,837 $264

2019 3.040 0.008 0.027 0.003 15,821 $2,287

2018 2.924 0.008 0.060 0.003 13,955 $2,042

2017 2.791 0.008 0.037 0.003 13,955 $2,042

2016 2.756 0.008 0.046 0.003 14,901 $2,176

Lift Station #5

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 2.288 0.074 0.116 0.056 2,717 $374

February 4.265 0.152 0.302 0.056 3,279 $444

March 3.752 0.121 0.228 0.086 3,195 $433

April 3.123 0.104 0.168 0.073 2,899 $396

May 5.148 0.166 0.366 0.112 3,799 $512

June 3.343 0.110 0.185 0.078 3,073 $418

July 2.387 0.077 0.151 0.056 2,766 $379

August 2.059 0.066 0.220 0.043 2,385 $331

September 4.097 0.137 0.668 0.056 3,384 $458

October 5.389 0.174 0.405 0.090 3,253 $441

November 4.678 0.156 0.379 0.039 3,118 $423

December 2.809 0.091 0.181 0.056 2,494 $347

2019 43.338 0.119 0.668 0.039 36,362 $4,956

2018 40.904 0.112 0.556 0.017 24,160 $3,382

2017 34.123 0.093 0.383 0.043 24,160 $3,382

2016 30.939 0.085 0.233 0.039 22,525 $3,183

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Lift Station #6

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 6.537 0.211 0.351 0.143 1,844 $260

February 11.357 0.406 1.050 0.138 2,651 $364

March 10.508 0.339 0.923 0.184 2,278 $316

April 8.437 0.281 0.561 0.179 2,078 $291

May 15.541 0.501 1.274 0.273 3,285 $446

June 8.707 0.286 0.457 0.199 2,122 $296

July 5.304 0.171 0.284 0.129 1,981 $278

August 4.911 0.158 0.519 0.115 2,158 $302

September 9.747 0.325 1.700 0.136 2,763 $378

October 13.806 0.445 1.521 0.183 3,098 $421

November 8.574 0.286 0.534 0.201 2,506 $348

December 6.842 0.221 0.617 0.140 2,045 $289

2019 110.271 0.303 1.700 0.115 28,809 $3,989

2018 92.966 0.255 1.959 0.094 25,455 $3,546

2017 83.326 0.228 1.515 0.084 25,455 $3,546

2016 77.237 0.212 0.708 0.108 25,483 $3,572

Lift Station #7

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 1.070 0.035 0.049 0.024 1,369 $199

February 1.583 0.057 0.127 0.025 1,649 $234

March 1.611 0.052 0.113 0.030 1,508 $214

April 1.335 0.045 0.077 0.031 1,257 $182

May 2.167 0.070 0.142 0.046 1,153 $168

June 1.341 0.044 0.064 0.034 905 $137

July 1.185 0.038 0.096 0.025 674 $106

August 0.883 0.028 0.072 0.021 568 $91

September 1.522 0.051 0.204 0.026 802 $123

October 2.089 0.067 0.161 0.032 867 $130

November 1.437 0.048 0.085 0.037 1,004 $148

December 1.130 0.036 0.081 0.025 1,103 $165

2019 17.353 0.048 0.204 0.021 12,859 $1,896

2018 15.224 0.042 0.243 0.017 11,755 $1,751

2017 13.332 0.036 0.194 0.014 11,755 $1,751

2016 9.727 0.027 0.106 0.013 10,417 $1,579

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Lift Station #8

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 12.402 0.400 0.684 0.274 5,560 $732

February 19.095 0.682 1.694 0.273 5,880 $777

March 19.393 0.626 1.920 0.347 5,400 $715

April 15.377 0.513 1.071 0.338 4,720 $628

May 23.310 0.752 1.814 0.474 5,240 $695

June 14.241 0.469 0.857 0.371 5,360 $712

July 9.899 0.319 0.701 0.221 3,560 $481

August 7.714 0.249 0.600 0.193 2,600 $359

September 11.506 0.384 1.427 0.201 2,600 $361

October 20.582 0.664 1.584 0.295 4,080 $547

November 15.187 0.506 0.826 0.380 4,760 $634

December 13.177 0.425 1.170 0.264 4,440 $595

2019 181.884 0.499 1.920 0.193 54,200 $7,237

2018 163.476 0.448 2.643 0.174 44,560 $6,013

2017 146.147 0.400 2.076 0.163 44,560 $6,013

2016 132.880 0.361 1.344 0.182 40,880 $5,576

Lift Station #9

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 0.799 0.026 0.041 0.017 1,264 $184

February 1.238 0.044 0.117 0.015 1,362 $195

March 1.171 0.038 0.130 0.020 1,458 $209

April 0.916 0.031 0.071 0.020 1,095 $160

May 1.487 0.048 0.144 0.024 1,186 $173

June 0.938 0.031 0.059 0.018 1,052 $156

July 0.605 0.020 0.045 0.014 731 $113

August 0.494 0.016 0.039 0.012 650 $102

September 0.773 0.026 0.117 0.014 781 $121

October 1.350 0.044 0.139 0.018 892 $133

November 0.926 0.031 0.051 0.023 1,033 $152

December 0.815 0.026 0.085 0.016 1,292 $188

2019 11.512 0.032 0.144 0.012 12,796 $1,886

2018 10.156 0.028 0.297 0.007 11,207 $1,678

2017 9.014 0.025 0.211 0.000 11,207 $1,678

2016 8.339 0.023 0.113 0.011 10,381 $1,575

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Lift Station #10

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 4.617 0.149 0.214 0.119 1,599 $227

February 6.738 0.241 0.547 0.000 2,107 $294

March 6.833 0.220 0.533 0.140 2,003 $281

April 6.223 0.207 0.339 0.152 1,739 $246

May 9.798 0.316 0.697 0.213 2,339 $325

June 6.959 0.231 0.328 0.196 2,041 $286

July 6.153 0.198 0.321 0.165 1,876 $264

August 5.498 0.177 0.463 0.147 1,688 $239

September 8.070 0.269 1.164 0.148 2,422 $337

October 10.006 0.323 0.812 0.162 2,341 $324

November 6.724 0.224 0.342 0.113 2,390 $331

December 6.285 0.203 0.389 0.153 2,442 $342

2019 83.905 0.230 1.164 0.000 24,987 $3,495

2018 75.921 0.208 1.191 0.000 24,592 $3,438

2017 90.008 0.246 0.959 0.099 24,592 $3,438

2016 78.524 0.215 0.489 0.000 23,014 $3,245

Lift Station #11

Time Total Avg Max Min WE

Period MG MGD MGD MGD KWH $

January 0.323 0.010 0.014 0.007 1,384 $200

February 0.310 0.011 0.014 0.008 1,285 $185

March 0.327 0.011 0.014 0.008 1,358 $196

April 0.289 0.010 0.012 0.008 1,263 $182

May 0.333 0.011 0.014 0.008 1,301 $188

June 0.323 0.011 0.014 0.008 1,396 $201

July 0.296 0.010 0.014 0.007 1,166 $170

August 0.200 0.006 0.008 0.003 444 $75

September 0.261 0.009 0.014 0.005 535 $88

October 0.338 0.011 0.014 0.008 551 $89

November 0.338 0.011 0.014 0.010 775 $118

December 0.452 0.015 0.071 0.007 1,081 $160

2019 3.790 0.010 0.071 0.003 12,539 $1,851

2018 3.445 0.009 0.015 0.003 10,600 $1,599

2017 3.160 0.009 0.019 0.003 10,600 $1,599

2016 3.159 0.009 0.018 0.003 10,125 $1,541

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Lift Station #12

Time Total Avg Max Min WE

Period Mgal Mgal Mgal Mgal KWH $

January 0.255 0.008 0.013 0.005 1,421 $221

February 0.541 0.019 0.062 0.007 1,461 $221

March 0.599 0.019 0.106 0.005 1,488 $224

April 0.300 0.010 0.019 0.006 1,288 $199

May 0.818 0.026 0.055 0.015 1,148 $180

June 0.592 0.020 0.026 0.016 993 $160

July 0.565 0.018 0.031 0.015 813 $137

August 0.486 0.016 0.038 0.013 667 $116

September 0.663 0.022 0.083 0.012 843 $140

October 0.909 0.029 0.078 0.012 1,014 $163

November 0.525 0.018 0.026 0.012 1,770 $261

December 0.469 0.015 0.034 0.010 1,703 $253

2019 6.724 0.018 0.106 0.005 14,609 $2,275

2018 4.411 0.012 36.112 -36.095 11,318 $1,843

2017 3.022 0.008 0.074 0.000 11,318 $1,843

2016 1.833 0.005 0.033 0.002 13,147 $2,091

Lift Station #13

Time Total Avg Max Min WE

Period Mgal Mgal Mgal Mgal KWH $

January 0.333 0.011 0.015 0.009 264 $51

February 0.284 0.010 0.021 0.007 196 $42

March 0.288 0.009 0.020 0.005 170 $39

April 0.183 0.006 0.012 0.004 154 $37

May 0.335 0.011 0.023 0.007 215 $45

June 0.205 0.007 0.011 0.002 179 $41

July 0.175 0.006 0.013 0.003 151 $36

August 0.150 0.005 0.014 0.003 132 $33

September 0.243 0.008 0.046 0.003 187 $42

October 0.275 0.009 0.022 0.003 180 $40

November 0.158 0.005 0.012 0.003 149 $35

December 0.099 0.003 0.007 0.002 153 $40

2019 2.729 0.007 0.046 0.002 2,130 $480

2018 2.347 0.006 0.085 0.001 1,872 $446

2017 2.024 0.006 0.027 0.001 1,872 $446

2016 1.825 0.005 0.021 0.001 1,678 $415

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Lift Station #14

Time Total Avg Max Min WE

Period Mgal Mgal Mgal Mgal KWH $

January 0.378 0.012 0.019 0.009 1,173 $172

February 0.677 0.024 0.060 0.008 1,283 $185

March 0.675 0.022 0.055 0.012 1,122 $163

April 0.516 0.017 0.032 0.012 960 $144

May 0.904 0.029 0.066 0.018 1,071 $157

June 0.528 0.017 0.027 0.013 707 $109

July 0.419 0.014 0.035 0.009 567 $92

August 0.336 0.011 0.041 0.007 467 $78

September 0.608 0.020 0.097 0.008 720 $111

October 0.842 0.027 0.068 0.012 992 $148

November 0.546 0.018 0.034 0.014 1,005 $148

December 0.430 0.014 0.036 0.009 1,108 $166

2019 6.857 0.019 0.097 0.007 11,175 $1,674

2018 6.062 0.017 0.130 0.005 9,385 $1,437

2017 5.152 0.014 0.090 0.005 9,385 $1,437

2016 4.307 0.012 0.044 0.006 8,669 $1,347

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LIFT STATION EQUIPMENT & CAPACITY SUMMARY

No. Location Pumps

GPM at

TDH Manufacturer

Total**

Capacity

Firm***

Capacity

#1

736 Washington Ave.

3-300

hp

3-300

hp

15,500 at

65'

14,799 at

65'

ITT A-C Pump-

West

Fairbanks/Morse-

East

112 MGD

90 MGD

#2

2022 Spring Street &

Luedtke Ct.

3-40 hp

2100 at

38'

Fairbanks/Morse

9.07 MGD

6.05 MGD

#3

1004 Riverbrook Dr.

2-3 hp

225 at

15'

Flygt

0.648 MGD

0.324 MGD

#4

Festival Site/ 6-5th St.

2-7.5

hp

630 at

26'

Fairbanks/Morse

1.82 MGD

0.910 MGD

#5

1530-13th St. &

Lockwood Ave.

2-24 hp

718 at

76'

Peabody/Barnes

2.06 MGD

1.030 MGD

#6

3236 Drexel Ave.

3-15 hp

1,000 at

15'

ITT

4.32 MGD

2.880 MGD

#7

45 Steeplechase Dr.

2-7.5

hp

425 at

27.5’

ShinMaywa

1.224 MGD

0.612 MGD

#8

3625 Rapids Ct. at Root

River

3-40 hp

1220 at

44'

Fairbanks/Morse

5.27 MGD

3.510 MGD

#9

3908 Frances Dr. and

Harrington Dr.

2-7.5

hp

120 at

48'

KSB

0.344 MGD

0.172 MGD

#10

800 South Memorial Dr.

& Root River

3-10 hp

850 at

19'

1-KSB

2-Fairbanks/Morse

3.67 MGD

2.440 MGD

#11

2750 Old Mill Rd.

2-2.8

hp

275 at

15'

Peabody/Barnes

0.792 MGD

0.396 MGD

#12

334 Parkview Dr.

2-3.4

hp

120 at

30'

KSB/ShinMaywa

0.346 MGD

0.173 MGD

#13

1100 N. Main St.

2-1.5

hp

70 at 25'

KSB

0.128 MGD

0.064 MGD

#14

3205 Michigan Blvd.

2-5 hp

500 at

20.7'

Hydromatic

1.44 MGD

0.720 MGD

** Total Capacity is the estimated capacity with all pumps in service.

*** Firm Capacity is the estimated capacity with the single largest pump out of service.

Page 84: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

79 | P a g e

COLLECTION SYSTEM STORAGE & CAPACITY SUMMARY

Page 85: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

80 | P a g e

Household Hazardous Waste Program

Page 86: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

81 | P a g e

HHW FINAL REPORT – SUMMARY SHEET

Page 87: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

82 | P a g e

HHW PARTICIPATION DATA

No

51%

Yes

49%

Did the Participant

Attend in 2018?

Page 88: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

83 | P a g e

APPENDIX A

Page 89: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

84 | P a g e

ADOPTED BUDGET

Page 90: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

85 | P a g e

ADOPTED OPERATION & MAINTENANCE BUDGET

2017

2018

2018

2018

Ad

op

ted

18 v

s 19

AC

CO

UN

TA

ctu

al

Bu

dg

et

6/3

0/2

018

Pro

jec

ted

19 B

ud

ge

tBu

dg

et

A

.PERSO

NN

EL

SERV

ICES

Sa

larie

s &

Wa

ge

s$

2,8

12

,76

0$

2,9

13

,00

0$

1,3

19

,06

7$

2,8

00

,00

0$

3,0

50

,00

04

.7%

B.

CO

NTR

AC

TUA

L

Pro

fess

ion

al S

erv

ice

s$

31

9,4

93

$3

04

,00

0$

61

,47

4$

20

0,0

00

$2

79

,00

0-8

.2%

Lab

ora

tory

Pro

f. S

erv

ice

s2

6,8

62

3

2,0

00

6

,58

1

2

4,0

00

31

,00

0

-3.1

%

Pre

-tre

at.

Pro

f Se

rvic

es

4,5

19

5,0

00

1,9

30

4,0

00

8,0

00

60

.0%

Bu

ildin

g &

Eq

uip

me

nt

Ma

int.

96

,39

2

99

,00

0

35

,05

2

98

,00

01

10

,00

0

1

1.1

%

Ve

hic

le M

ain

ten

an

ce

21

,45

3

25

,00

0

9,7

06

19

,00

02

5,0

00

0

.0%

Tele

ph

on

e8

,56

1

9

,00

0

4

,73

0

1

0,0

00

10

,00

0

11

.1%

N

atu

ral G

as

12

5,7

72

16

0,0

00

89

,14

8

14

8,0

00

16

0,0

00

0.0

%

E

lec

tric

Se

rvic

e8

35

,33

6

8

80

,00

0

4

66

,82

9

9

05

,00

09

50

,00

0

8

.0%

Wa

ter

Se

rvic

e2

25

,08

3

2

36

,00

0

1

25

,42

1

2

51

,00

02

55

,00

0

8

.1%

Cit

y S

ew

er

& L

.S.

Ma

int.

8,1

90

20

,00

0

2,5

24

5,0

00

18

,00

0

-10

.0%

Inte

rce

pto

r &

L.S

. M

ain

t.5

8,6

24

1

70

,00

0

3

0,4

60

6

1,0

00

13

0,0

00

-23

.5%

Slu

dg

e &

Grit

Dis

po

sal

53

9,9

33

62

5,0

00

33

0,8

08

61

5,0

00

64

5,0

00

3.2

%

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

TO

TAL

$2

,27

0,2

19

$2

,56

5,0

00

$1

,16

4,6

65

$2

,34

0,0

00

$2

,62

1,0

00

2.2

%

C

.MA

TERIA

LS &

SU

PPLI

ES

Off

ice

Su

pp

lies

$1

2,7

08

$1

4,0

00

$8

,41

5$

15

,00

0$

14

,00

00

.0%

Ga

solin

e &

Die

sel F

ue

l2

0,2

81

2

6,0

00

1

0,5

09

2

1,0

00

2

6,0

00

0

.0%

Lub

rica

nts

23

,64

0

32

,00

0

10

,82

4

22

,00

0

30

,00

0

-6.3

%

Cu

sto

dia

l Su

pp

lies

15

,75

0

16

,00

0

6,7

29

13

,00

0

16

,00

0

0.0

%

Op

era

tio

na

l Ch

em

ica

ls2

80

,08

5

3

71

,00

0

1

48

,56

9

2

97

,00

0

3

80

,00

0

2

.4%

Pla

nt

& S

yst

em

Su

pp

lies

41

,76

1

56

,00

0

24

,31

9

49

,00

0

56

,00

0

0.0

%

Eq

uip

me

nt

Su

pp

lies

19

6,6

88

21

5,0

00

74

,01

6

19

5,0

00

21

5,0

00

0.0

%

Se

we

r M

ain

t. S

up

plie

s6

,62

9

7

,00

0

-

6,0

00

7,0

00

0.0

%

Pre

-tre

at.

Sa

mp

ling

Su

pp

lies

4,1

06

5,0

00

2,6

27

5,0

00

7,0

00

40

.0%

Lab

ora

tory

Su

pp

lies

49

,03

6

49

,00

0

17

,94

3

48

,00

0

58

,00

0

18

.4%

Pre

-tre

at.

La

b S

up

plie

s2

3,5

55

2

0,0

00

1

1,6

66

2

3,0

00

2

1,0

00

5

.0%

Co

mp

ute

r &

PLC

Su

pp

lies

30

,81

2

35

,00

0

12

,10

0

24

,00

0

35

,00

0

0.0

%

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

TO

TAL

$7

05

,05

2$

84

6,0

00

$3

27

,71

8$

71

8,0

00

$8

65

,00

02

.2%

Page 91: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

86 | P a g e

2017

2018

2018

2018

Ad

op

ted

18 v

s 19

AC

CO

UN

TA

ctu

al

Bu

dg

et

6/3

0/2

018

Pro

jec

ted

19 B

ud

ge

tBu

dg

et

D

.CU

STO

MER A

CC

OU

NT

Me

terin

g, B

illin

g &

Co

llec

tio

n$

60

3,7

85

$6

65

,00

0$

30

1,8

93

$6

04

,00

0$

65

0,0

00

-2.3

%

E.

AD

MIN

ISTR

ATI

ON

& G

EN

ERA

L

Du

es,

Pu

blic

atio

ns

& T

rav

el

$3

6,9

00

$3

5,0

00

$7

,92

4$

35

,00

0$

37

,00

05

.7%

FIC

A T

ax

20

5,8

66

22

7,0

00

10

7,6

48

22

5,0

00

23

8,0

00

4.8

%

Pro

pe

rty

& L

iab

ility

In

sura

nc

e7

5,7

80

9

5,0

00

4

0,9

41

9

2,0

00

9

5,0

00

0

.0%

Wo

rke

r's

Co

mp

en

satio

n In

sur.

67

,79

9

75

,00

0

40

,34

7

81

,00

0

70

,00

0

-6.7

%

Off

ice

Re

nt

28

,40

8

29

,00

0

14

,82

5

30

,00

0

35

,00

0

20

.7%

Wisc

on

sin

Re

tire

me

nt

Exp

en

se2

48

,68

0

2

76

,00

0

1

24

,42

1

2

60

,00

0

2

88

,00

0

4

.3%

Me

dic

al E

xp

en

ses

78

9,8

80

1,1

00

,00

0

52

1,2

81

1,0

43

,00

0

1,1

00

,00

0

0.0

%

Ne

t O

PEB O

blig

atio

n5

23

,76

7

8

50

,00

0

-

75

0,0

00

80

0,0

00

-5.9

%

Life

In

sura

nc

e2

6,8

87

2

8,0

00

5

,61

2

2

7,0

00

2

8,0

00

0

.0%

Sa

fety

Pro

gra

ms

& S

up

plie

s1

0,7

29

1

6,0

00

7

,26

0

1

5,0

00

2

2,0

00

3

7.5

%

City

De

pa

rtm

en

tal C

ha

rge

s8

4,0

00

8

4,0

00

4

0,9

50

8

2,0

00

8

4,0

00

0

.0%

Tra

inin

g P

rog

ram

s1

6,5

34

1

5,0

00

8

,94

6

1

8,0

00

1

5,0

00

0

.0%

Sto

rmw

ate

r Fe

es

34

,95

8

37

,00

0

17

,40

0

35

,00

0

37

,00

0

0.0

%

DN

R P

erm

it F

ee

13

0,8

64

14

0,0

00

13

0,9

79

13

1,0

00

14

2,0

00

1.4

%

Airp

ort

Pro

pe

rty

Le

ase

47

,71

1

50

,00

0

48

,76

2

49

,00

0

50

,00

0

0.0

%

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

-

----

----

----

----

-

-

----

----

----

----

-

TO

TAL

$2

,32

8,7

64

$3

,05

7,0

00

$1

,11

7,2

97

$2

,87

3,0

00

$3

,04

1,0

00

-0.5

%

SU

MM

ARY

A. P

ers

on

el S

erv

ice

$2

,81

2,7

60

$2

,91

3,0

00

$1

,31

9,0

67

$2

,80

0,0

00

$3

,05

0,0

00

4.7

%

B. C

on

tra

ctu

al S

erv

ice

2,2

70

,21

9

2,5

65

,00

0

1,1

64

,66

5

2,3

40

,00

0

2,6

21

,00

0

2.2

%

C. M

ate

rials &

Su

pp

lies

70

5,0

52

84

6,0

00

32

7,7

18

71

8,0

00

86

5,0

00

2.2

%

D. C

ust

om

er A

cc

ou

nts

60

3,7

85

66

5,0

00

30

1,8

93

60

4,0

00

65

0,0

00

-2.3

%

E. A

dm

inistr

ativ

e &

Ge

ne

ral

2,3

28

,76

4

3,0

57

,00

0

1,1

17

,29

7

2,8

73

,00

0

3,0

41

,00

0

-0.5

%

---

----

----

----

---

---

----

----

----

---

---

----

----

----

---

-

----

----

----

----

-

-

----

----

----

----

-

T

OTA

LS$

8,7

20

,58

0$

10

,04

6,0

00

$4

,23

0,6

39

$9

,33

5,0

00

$1

0,2

27

,00

01

.8%

Page 92: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

87 | P a g e

CAPITAL IMPROVEMENT PROGRAM 2019-2023 - ADOPTED

2019 2020 2021 2022 2023 Total

GENERAL PLANT

1 Laboratory Equipment $100,000 $51,000 $50,000 $40,000 $40,000 $281,000

2 PLC & SCADA Equipment 50,000 50,000 50,000 50,000 50,000 250,000

3 Computer Server/Hardware Upgrade 85,000 - - - - 85,000

4 Roof Replacement - 20,000 85,000 - - 105,000

5 Window/Door Replacement 15,000 10,000 10,000 10,000 10,000 55,000

6 Flow-Thru Samplers 10,000 10,000 - - - 20,000

7 Sample/Equip Hauling Cart 8,000 - - - - 8,000

8 Railing Replacement 20,000 - - - - 20,000

9 Security Improvements 20,000 - - - - 20,000

10 Plant Flow Meters 43,000 16,000 16,000 - - 75,000

11 Clarifier Equipment Rehab 25,000 - 25,000 - 25,000 75,000

12 Final Clarifier Level Sensors 15,000 15,000 - - - 30,000.00

13 Engines-Blowers Upgrade 25,000 25,000 25,000 - - 75,000

14 Tank Drainage Pump #3 - 10,000 - - - 10,000

15 Air Permit Equip (controls/meters) 25,000 - - - - 25,000

16 UVT Analyzer 20,000 - - - - 20,000

17 Temperature HVAC Control Units 25,000 - - - - 25,000

18 **Property Development 500,000 - - - - 500,000

19 **Plant Expansion 250,000 250,000 1,000,000 30,000,000 30,000,000 61,500,000

20 Energy Savings - Biogas Gen - - - - 840,000 840,000

21 Biogas Pretreatment Equip - - - - 480,000 480,000

22 Energy Savings - Organics Tank - - - 1,000,000 - 1,000,000

23 Energy Savings - LED Lighting 10,000 5,000 5,000 - - 20,000

24 MSA Gas Detection - 130 Building 20,000 - - - - 20,000

Subtotal $1,266,000 $462,000 $1,266,000 $31,100,000 $31,445,000 $65,539,000

AUTOMOTIVE

1 Pickup/Van/SUVs $62,000 $61,000 $0 $0 $0 $123,000

2 Utility Trucks 45,000 49,000 - - 129,000 223,000

3 **Vactor (city only) - - - 402,000 - 402,000

Subtotal $107,000 $110,000 $0 $402,000 $129,000 $748,000

COLLECTION SYSTEM

1 LS Controls/Building $0 $0 $100,000 $0 $100,000 $200,000

2 **6th St Bridge Int Relocate 1,250,000 - - - - 1,250,000

3 **Harborside Dev LS/FM (city only) 1,250,000 - - - - 1,250,000

4 **6th St/Racine St Int Relocate (city) 1,500,000 - - - - 1,500,000

5 **LS #7 Force Main Replacement 175,000 - - - - 175,000

6 Field Flow Meters 36,000 6,000 6,000 6,000 6,000 60,000

7 Manhole Structure Rehab 20,000 20,000 20,000 20,000 20,000 100,000

8 **LS #2 Storage Basin 2,000,000 - - - - 2,000,000

9 **Lakeview Park Storage, 48" Int - - 990,000 14,084,000 - 15,074,000

10 **LS #1 West Force Main - - - 360,000 5,142,000 5,502,000

11 **West Blvd Interceptor - - - 230,000 3,281,000 3,511,000

12 Telemetry PLC Upgrades 50,000 - - 50,000 - 100,000

13 Durand Ave Interceptor Relay 350,000 - - - - 350,000 14 Interceptor Improvement Projects 100,000 500,000 600,000 100,000 100,000 1,400,000

Subtotal $6,731,000 $526,000 $1,716,000 $14,850,000 $8,649,000 $32,472,000

TOTAL COST $8,104,000 $1,098,000 $2,982,000 $46,352,000 $40,223,000 $98,759,000

**Total Contributed Captital Projects 6,925,000 250,000 1,990,000 45,076,000 38,423,000

Note: ** Denotes that the project cost is to be split on a Cost of Service share (COSS) basis among SSR parties per the Sewer

Agreement

Page 93: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

88 | P a g e

CLASS I & II CHARGES

9/25/2018

CLASS I CHARGES - 2019 Adopted

With $400,000 Rate Stablization Fund

Overall

AREA 2018 2019 % Change % Change

A. City of Racine ($/ccf) $2.66 $2.77 4.2%

plus quarterly fixed charge $20.00 $20.00 0.0% 3.1%

B. Elmwood Park ($/ccf) $2.62 $2.76 5.0%

North Bay ($/ccf) $2.62 $2.76 5.0%

plus quarterly fixed charge $20.00 $20.00 0.0% 3.7%

C. Mt. Pleasant (int) ($/MG) $1,506.98 $1,482.41 -1.6% -1.6%

Caledonia ($/MG) $1,506.98 $1,482.41 -1.6% -1.6%

Sturtevant ($/MG) $1,506.98 $1,482.41 -1.6% -1.6%

D. Mt. Pleasant ($/MG) $1,825.35 $1,814.15 -0.6% -0.6%

Caledonia ($/MG) $1,825.35 $1,814.15 -0.6% -0.6%

The percentage change is shown as a comparison to the previous years rates. The actual rate increase

imposed by individual sewer utilities will vary depending on how they deal with existing surpluses and

future projects within their respective Utilities.

9/25/2018

CLASS 2 CHARGES - 2019 Adopted

With $400,000 Rate Stablization Fund

AREA 2018 2019 Difference % Change

A. City of Racine ($/MG) $2,322.27 $2,416.96 $94.69 4.1%

B. Mt. Pleasant - Sturtevant ($/MG) $832.96 $822.71 ($10.24) -1.2%

C. Caledonia ($/MG) $1,124.03 $1,124.66 $0.63 0.1%

D. BOD ($/1000 LBS.) $273.42 $278.04 $4.61 1.7%

E. SS ($/1000 LBS.) $332.24 $338.82 $6.58 2.0%

F. PHOS ($/1000 LBS.) $3,250.73 $3,385.90 $135.18 4.2%

Page 94: NNNNNNN - cityofracine.org · nnnnnnn. 3 | p a g e 2019 racine wastewater utility annual report 2020 board of wastewater commissioners mayor cory mason thomas bunker kathleen dematthew

89 | P a g e

LIST OF VEHICLES

NO10

000

GV

WR

NL 3

4 G

AL L

EV6.

2$3

3,44

5.00

ENG

INE

SIZE

(LITE

RS)

$24,

145.

00

WW

032

F250

SUP

ERC

AB

4WD

2017

1FT7

X2B6

7HEC

4699

917

119F

8010

-34/

29/2

017

9592

6

6/7/

2004

6609

7YE

S88

00 G

VW

RNL

29

GA

L LEV

6.8

DIES

EL 1

00 G

AL

13.0

$425

,006

.00

WW

031

SD F

250

SUPE

RCA

B 4W

D20

041F

TNX2

1S64

EC94

5479

0415

6490

02-1

1NPC

LOX9

HD38

7994

1611

0F60

24-6

4/19

/201

692

682

NO66

000

GV

WR

No85

50 G

VW

RDI

ESEL

26

GA

L LEV

3.0

$138

,510

.21

WW

020

VA

CTO

R20

17

WW

018

SPRI

NTER

2013

WD3

PE8C

C4D

5796

274

1324

Q80

08-9

9/5/

2013

8688

7

5/19

/201

181

797

$23,

827.

00

WW

016

F550

4X4

REG

CA

B20

111F

DUF5

HT6B

EC37

007

1113

9040

1051

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1FTR

F14V

97KC

4649

507

1305

3700

40-4

5/15

/200

772

639

YES

6950

GV

WR

$77,

227.

60NO

1800

0 G

VW

RDI

ESEL

40

GA

L6.

7

NO69

50 G

VW

RN.

26

GA

L LEV

2.7T

$36,

937.

50

WW

015

F150

4 W

D RE

G C

AB

2007

$25,

122.

50

WW

014

F150

REG

CA

B 4X

420

191F

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1EP6

KKC

5457

619

0450

3650

17-5

2/14

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9C

1126

5

4/25

/201

898

882

YES

4540

GV

WR

15.7

GA

L CA

P LE

V1.

5

NL 2

7 G

AL L

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4

$29,

682.

50

WW

012

ESC

APE

4 D

R 4

WD

2018

1FM

CU9

GD3

JUC

1200

718

1150

3800

22-3

1FM

5K7D

93FG

C16

597

1509

3F10

08-0

4/3/

2015

8998

1No

5900

GV

WR

No10

000

GV

WR

NL 3

4 G

AL L

EV6.

2$4

1,99

9.50

WW

011

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ORE

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15

$25,

122.

50

WW

010

SD F

250

4X4

SUPE

RCA

B20

191F

TX2B

65KE

D692

4119

029F

7005

-21/

29/2

019

C11

129

3/14

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9C

1140

9NO

GV

WR

NL 1

5.7

GA

L LEV

1.5

NL 1

8.6

GA

L LEV

2.0

$24,

319.

50

WW

008

EXC

APE

SE

2019

1FM

CU9

GD8

KUB1

4478

1907

3Y30

11-6

NMO

LS7F

6J13

7344

418

2050

4440

13-8

7/24

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899

587

YES

5270

GV

WR

YES

1400

0 G

VW

RNL

40

GA

L LEV

6.2

$52,

494.

82

WW

006

FORD

TRA

NSIT

CA

RGO

VA

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18

$35,

290.

00

WW

005

F350

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DUM

P TR

UCK

2018

1FDR

F3H6

XJEC

1107

518

1590

3850

06-4

6/8/

2018

9918

5

3/14

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795

563

YES

6500

GV

WR

NL 2

3 G

AL

2.7

NL 1

5.8

GA

L LEV

2.5

VEHI

CLE

#M

ODE

L

NL 1

53.7

GA

L LEV

1.5

$25,

122.

50

WW

004

F-15

0 4X

420

171F

TEW

1EP5

HKC

4822

717

073A

1023

-6

1FM

CU9

GDX

KUB1

4478

1907

3Y30

10-9

3/14

/201

9C

1140

8No

GV

WR

YEAR

IDEN

TIFIC

ATIO

N #

No46

80 G

VW

RNL

13.

5 G

AL L

EV2

$26,

038.

00

WW

003

ESC

APE

SE

2019

PURC

HASE

PRIC

E

WW

001

FUSI

ON

HYBR

ID20

163F

A6P

OLU

4GR3

1790

116

061M

3002

-53/

1/20

1692

310

TITLE

ISSU

EDLIC

ENSE

RADI

OG

VRFU

EL

4/29

/201

7

3/14

/201

9

7/24

/201

8

6/8/

2018

3/14

/201

7

3/14

/201

9

3/1/

2016

ISSU

ED

1/29

/201

9

4/3/

2015

4/25

/201

8

2/14

/201

9

5/15

/200

7

5/19

/201

1

9/5/

2013

4/19

/201

6

6/7/

2004