LA Sanitation’s Capital Program Leading the Way to a LA Sanitation’s Capital Program Leading the Way to a Clean, Green, and Sustainable City Clean, Green, and Sustainable City

Enrique C. Zaldivar, P.E.Enrique C. Zaldivar, P.E.DirectorDirectorLA SanitationLA Sanitation

June 14, 2012June 14, 2012

22

Los Angeles SANITATIONLos Angeles SANITATION

Our MissionOur Mission

Our ProgramsOur Programs Solid Resources Program Clean Water Program (Wastewater) Watershed Protection Program (Stormwater)

To Protect Public Health and the Environment

33

Los Angeles SANITATIONLos Angeles SANITATIONBudget ($ in millions)Budget ($ in millions)StaffingStaffing

$0

$200

$400

$600

$800

$1,000

$1,200

FY 2011

Total Solids CleanWater Watershed

0

1000

2000

3000

FY 2011

Staff No.

44

Solid Resources Program Overview• Collect 1 million tons of solid waste annually from 750,000 Collect 1 million tons of solid waste annually from 750,000

customers.customers.• Recycling and reuse rate over 70% of our solid waste stream Recycling and reuse rate over 70% of our solid waste stream

(7 million tons)--the highest percentage of any large US city. (7 million tons)--the highest percentage of any large US city. • Produce 85,000 tons of compost and mulch for residential gardens Produce 85,000 tons of compost and mulch for residential gardens

and landscapes from our collected green waste.and landscapes from our collected green waste.• Service 430,000 multi-family dwellings--largest in nation--with Service 430,000 multi-family dwellings--largest in nation--with

recycling and bulky item pickups.recycling and bulky item pickups.• Converted over 500 refuse collection vehicles to clean fuel (LNG or Converted over 500 refuse collection vehicles to clean fuel (LNG or

CNG) supplied by 5 Bureau-operated fueling stations.CNG) supplied by 5 Bureau-operated fueling stations.• Approximately 600 private haulers Approximately 600 private haulers

operating in the City provide operating in the City provide commercial and multi-family service.commercial and multi-family service.

• Main capital program drivers:Main capital program drivers:• Resource RecoveryResource Recovery• Regulatory ComplianceRegulatory Compliance

55

• Serve over 4 million people in L.A. and Serve over 4 million people in L.A. and 29 contract agencies.29 contract agencies.

• Service area of 600 square miles with Service area of 600 square miles with 6,700 miles of sewers.6,700 miles of sewers.

• Operate 4 water reclamation and Operate 4 water reclamation and wastewater treatment plants.wastewater treatment plants.

• Convey and treat 400 million gallons of Convey and treat 400 million gallons of flow per day (mgd).flow per day (mgd).

• Produce 80 mgd of reclaimed water.Produce 80 mgd of reclaimed water.• Operate 44 wastewater pumping plants.Operate 44 wastewater pumping plants.• Invested over $6.3 billion Invested over $6.3 billion

over the last 25 years.over the last 25 years.

Clean Water Program Overview

66

Clean Water Program Overview• In response to sanitary sewer spills caused by 1998 El NiIn response to sanitary sewer spills caused by 1998 El Niñño rains, o rains,

City has made major enhancements to the systemCity has made major enhancements to the system• New sewer constructionNew sewer construction• Repair of older sewersRepair of older sewers• Increased cleaning of sewersIncreased cleaning of sewers• Fat, Oil, and Grease (FOG) programFat, Oil, and Grease (FOG) program

• As a result, sewer spills and odor are steadily decliningAs a result, sewer spills and odor are steadily declining• Sewer odor complaints reduced by 50% since FY 2004Sewer odor complaints reduced by 50% since FY 2004• Spills reduced by 82% over past ten years Spills reduced by 82% over past ten years

77

Clean Water Program Funding Outlook• A 10-year series of rate adjustments were adopted

February 29, 2012 to provide a sustainable level of funding.• Projected $2.3 billion 10-year capital improvement

program.• Annual construction spending to increase from $100 million

in 2011-12 to $260 million in 2020-21.• Main capital drivers:• Infrastructure renewal• Regulatory compliance

88

Clean Water Program Future ConstructionHighlights include:Highlights include:• Continuation of program to rehabilitate an average of Continuation of program to rehabilitate an average of

60 miles of sewers per year60 miles of sewers per year• Increased focus on rehabilitation of large diameter Increased focus on rehabilitation of large diameter

sewerssewers• Rehabilitation and replacement of treatment processesRehabilitation and replacement of treatment processes• Replacement of control systems at four water Replacement of control systems at four water

reclamation and treatment plants and the pumping reclamation and treatment plants and the pumping plant systemplant system

• Expansion of microfiltration and reverse osmosis Expansion of microfiltration and reverse osmosis processesprocesses

99

Watershed Protection Program Overview

Protects the beneficial uses of Protects the beneficial uses of our receiving waters in City's our receiving waters in City's lakes, rivers, and beaches.lakes, rivers, and beaches.

• Improve water quality,Improve water quality,• Capture rainwater for Capture rainwater for

use and groundwater use and groundwater recharge,recharge,

• Reduce flooding,Reduce flooding,• Enhance wildlife,Enhance wildlife,• Provide open space for Provide open space for

habitat and recreation.habitat and recreation.

PUBLIC USE

FLOODPROTEC-

TION

WATERQUALITY

HABITATRESTOR-ATION

1010

Watershed Protection Program(Stormwater)

• System conveys more than 100 mgd of dry-weather flow System conveys more than 100 mgd of dry-weather flow throughthrough

• 38,000 catch basins38,000 catch basins• 1,200 miles of pipes1,200 miles of pipes• 100 miles of open channels100 miles of open channels

• Main capital drivers:Main capital drivers:• TMDL Compliance (water quality standards)TMDL Compliance (water quality standards)• Flood protectionFlood protection

1111

Stormwater Quality Requirements

Clean Water Act (CWA)

Federal Regulations

State Laws / Regulations

Example:

• Basin Plan

• Ocean Plan

• NPDES Permits

•TMDLs

TotalMaximum

LoadsDaily 22 TMDLS have been adopted

1212

Watershed Protection Program Overview• Completed over 26 green Completed over 26 green

infrastructure projects – green infrastructure projects – green streets, rainwater harvesting, streets, rainwater harvesting, streams and wetlands restoration.streams and wetlands restoration.

• Spent over $200 million on capital Spent over $200 million on capital improvement projects.improvement projects.

• Reduced 90% of trash in Ballona Reduced 90% of trash in Ballona Creek and LA River to improve water Creek and LA River to improve water quality and enhance wildlife.quality and enhance wildlife.

• Installed 38,500 catch basin screens Installed 38,500 catch basin screens and 10,000 inserts Citywide to collect and 10,000 inserts Citywide to collect trash and debris to keep it out of trash and debris to keep it out of channels, river and beaches.channels, river and beaches.

1313

City of Los Angeles $500 million Clean Water Bond (2004)City of Los Angeles $500 million Clean Water Bond (2004)• 33 water quality, water conservation, habitat protection, and open 33 water quality, water conservation, habitat protection, and open

space projectsspace projects

BeforeBefore

Low Flow DiversionsLow Flow Diversions

South LA Wetlands Park

Imperial Highway Median Greening

Impro

ved Water Q

uality at B

eaches

(Beach G

rades have m

oved from F /D

‘s to A

/B’s )

Increased habita

t pro

tection

Increased open space

Watershed Protection Program Overview

1414

• Manuals – Guidance standards• Green Streets - Converting public right-of-way or

parkway to open space for multi-benefit uses• Green Standards – Institutionalizes, applies to

public and private• LID – Land developments and re-developments• Rainwater Harvesting – Capture and use• Water Quality Matrix – Approved by Health

Department• Stream Protection – Natural cleaning

Green Initiatives

Watershed Protection Program Overview

1515

Low Impact Development (LID)

Porous Pavement – Rio del Los Angeles State Park (aka: Taylor Yard)

Bioretention - Sam’s Club Parking Lot

Planter Boxes - Versailles Luxury ApartmentsOxford St, Los Angeles

Parkway Infiltration Swale11th St & Hope St – Los Angeles

Cisterns - LOWE’S

Infiltration - Costco

1616

BeforeBefore AfterAfter

Elmer Green Street

AfterAfter

ConstructionConstruction

1717

Garvanza Park Rainwater Capture Project

Before

After

During Construction

1818

Future Stormwater Projects

• Albion Dairy River ParkAlbion Dairy River Park• Echo Park Lake RehabilitationEcho Park Lake Rehabilitation• Humboldt Ave Neighborhood GreenwayHumboldt Ave Neighborhood Greenway• LA River Natural ParkLA River Natural Park• Machado Lake Ecosystem Rehabilitation Machado Lake Ecosystem Rehabilitation

ProjectProject• Strathern Wetlands ParkStrathern Wetlands Park• Verdugo Hills Golf Course Rainwater Verdugo Hills Golf Course Rainwater

CaptureCapture

1919

Stormwater Funding

2020

• Existing Funding Sources:Existing Funding Sources:• Stormwater Pollution Abatement Charge Stormwater Pollution Abatement Charge

(SPAC): Property tax assessed to City of (SPAC): Property tax assessed to City of LA residents ≈ $28M/yrLA residents ≈ $28M/yr

• Proposition O: City of Los Angeles $500 Proposition O: City of Los Angeles $500 million Clean Water Bond (2004)million Clean Water Bond (2004)

• Grants (federal, state, local)Grants (federal, state, local)

• Future Funding Source:Future Funding Source:• Partnered with LA County Flood Control Partnered with LA County Flood Control

District to assess countywide stormwater District to assess countywide stormwater fees (Countywide Clean Water, Clean fees (Countywide Clean Water, Clean Beaches Measure)Beaches Measure)

Stormwater Funding

2121

• Estimated capital investment needs for the next 10 years:Estimated capital investment needs for the next 10 years:• Clean Water - $2.3 billionClean Water - $2.3 billion• Solid Resources - $600 millionSolid Resources - $600 million• Watershed Protection - $1.8 billionWatershed Protection - $1.8 billion

• Total for LA Sanitation - $4.7 billionTotal for LA Sanitation - $4.7 billion

LA Sanitation Capital Program Summary

2222

Enrique C. Zaldivar, P.E. Enrique C. Zaldivar, P.E. Director, Director, LA Sanitation,LA Sanitation,(213) 485-2210(213) 485-2210Enrique.Zaldivar@lacity.orgEnrique.Zaldivar@lacity.org

Our Mission:“Protect Public Health and the Environment”

Additional Information: www.lacitysan.org