Overview of CCCSDs Recycled Water Program Melody LaBella, Melody - - PowerPoint PPT Presentation

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Overview of CCCSDs Recycled Water Program Melody LaBella, Melody - - PowerPoint PPT Presentation

Aug 11, 2023 146 likes •523 views

Overview of CCCSDs Recycled Water Program Melody LaBella, Melody LaBella, P.E. P.E. LAFCO Board Meeting LAFCO Board Meeting November 18, 2015 November 18, 2015 Central Contra Costa Sanitary District (CCCSD) 146 sq. mile service

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Overview of CCCSD’s Recycled Water Program

Melody LaBella, Melody LaBella, P.E. P.E. LAFCO Board Meeting LAFCO Board Meeting November 18, 2015 November 18, 2015

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Central Contra Costa Sanitary District (CCCSD)

  • 146 sq. mile service area
  • Serves ~475,000 residents

and 3,000+ businesses

  • >1,500 mile sew er system

2014 Stats

  • Treated ~36 MGD (average daily)
  • 17 years of full NPDES compliance
  • Produced ~530 million gallons of

recycled w ater

  • Collected >1 million lbs of HHW

and >12,500 lbs of unw anted pharmaceuticals

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CCCSD’s Original Treatment Plant CCCSD’s Original Treatment Plant

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CCCSD’s Treatment Plant Today

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Water Reclamation Facilities

Forebays, Applied Water Pumps, Filter Plant

Water Reclamation Facilities

Forebays, Applied Water Pumps, Filter Plant

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Water Reclamation Facilities

Filters

Water Reclamation Facilities

Filters

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Water Reclamation Facilities

Pipeline and Clearwell Storage Reservoir

Water Reclamation Facilities

Pipeline and Clearwell Storage Reservoir

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Distribution Facilities Constructed Distribution Facilities Constructed

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Recycled Water Program Recycled Water Program

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Contra Costa Country Club Contra Costa Country Club

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Buchanan Fields Buchanan Fields

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Diablo Valley College Diablo Valley College

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  • Mt. Diablo Unified School District
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Pleasant Hill Park & Recreation District Pleasant Hill Park & Recreation District

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Contra Costa County

Animal Services

Contra Costa County

Animal Services

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Toilet & Urinal Flushing Toilet & Urinal Flushing

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Toilet & Urinal Flushing Toilet & Urinal Flushing

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Concord Landscape Project Concord Landscape Project

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Hydrant Truck Filling Program

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Residential Fill Station Residential Fill Station

www.centralsan.org/recycledwater

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CoCo San Sustainable Farm CoCo San Sustainable Farm

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CoCo San Sustainable Farm CoCo San Sustainable Farm

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0.5 MGD Refinery Project 0.5 MGD Refinery Project

Protecting Public Health and the Environment Protecting Public Health and the Environment

Central Contra Costa Sanitary District

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Concord Naval Weapons Station Redevelopment Concord Naval Weapons Station Redevelopment

Protecting Public Health and the Environment Protecting Public Health and the Environment

Central Contra Costa Sanitary District

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Diablo Country Club Satellite Facility Diablo Country Club Satellite Facility

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Centralized Treatment Centralized Treatment

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Satellite Treatment Satellite Treatment

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Satellite Recycled Water Facility Concept Satellite Recycled Water Facility Concept

Membrane filtration & disinfection process Membrane filtration & disinfection process Recycled water storage Recycled water storage Wastewater withdrawal lateral Wastewater withdrawal lateral Process solids returned to sewer system Process solids returned to sewer system CCCSD Sewer CCCSD Sewer Screenings hauled

  • ff-site

Screenings hauled

  • ff-site
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Recycled Water Wholesale Opportunities

Central Contra Costa Sanitary District

Board Meeting November 5, 2015

rmcwater.com Complex Challenges | Innovative Solutions

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CCCSD Non‐potable Recycled Water Projects‐2015 Average Dry Weather Flow – 30.4 mgd In‐plant – 1.1 mgd Current Zone 1 (S) – 0.5 mgd Zone 1 Future Commitment (S) – 0.1 mgd Concord Naval Weapons Station (S) – 2.5 mgd Shell Refinery (CCWD) – 0.5 mgd Potential Available Recycled Water 25.7 mgd (S) = seasonal

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Overview Map of Potential Opportunities

LEGEND CCCSD WWTP EBMUD Facilities CCWD Facilities DSRSD Facilities CVP/SWP Facilities

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Recycled Water to Ag?

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  • Approximately 40 miles to

CVP pump facility

  • Could potentially utilize all
  • f CCCSD’s effluent
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Recycled Water to Refineries?

Suisun Bay Martinez Concord Benicia 1 mile

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  • Utilizes existing infrastructure
  • 20 mgd demand

Shell Refinery Tesoro Refinery

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Augment Regional Water Supplies?

  • DSRSD
  • Regional Reliability

Partners

  • CCWD
  • EBMUD
  • San Francisco PUC
  • Alameda Co. WD
  • Santa Clara Valley WD
  • Zone 7
  • Marin Municipal WD
  • Bay Area Water Suppliers

& Conservation Agencies (BAWSCA)

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Any Questions? Any Questions?