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LA Sanitation’s Capital Program Leading the Way to a Clean, Green, and Sustainable City. June 14, 2012. Enrique C. Zaldivar, P.E. Director LA Sanitation. L os A ngeles SANITATION. Our Mission. To Protect Public Health and the Environment. Our Programs. Solid Resources Program - PowerPoint PPT Presentation
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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
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