Informing Southern California
about our water needs and the state’s resources.
Delta Conveyance
Delta Conveyance: A Vital Project for a Resilient California Water Supply
The Delta Conveyance project is a landmark investment in the state’s aging water infrastructure — and a vital project for California’s future. This project will modernize and upgrade a key section of the State Water Project, which serves as the state’s primary water delivery system, by constructing a tunnel to move water supplies underneath the fragile Sacramento-San Joaquin Delta ecosystem rather than through it. This state-of-the-art water conveyance solution will ensure that nearly 27 million Californians will have clean, reliable and affordable water for generations to come.
TOWARD WATER SUPPLY RESILIENCE
A key recommendation of Governor Newsom’s Water Resilience Portfolio, the single-tunnel modern conveyance solution has been studied and discussed for more than a decade.
New environmental review and planning process launched in January 2020 and California Department Water Resources is working on a final Environmental Impact Report now. In the past, DWR has said the final EIR would be published in late 2023.
Work completed on previous iterations of this project can be used to streamline the planning process for Delta Conveyance. Among these are:
- Received and addressed input from more than 31,000 individuals and organizations across California
- Established oversight agencies to finance and construct project
- Initiated contracting for executive director, engineering, right-of-way, real estate and geotechnical services
Delta Conveyance Project Resources
Click below to view or download our resources on the Delta Conveyance project — the most affordable solution to modernize our water delivery system and secure a safe, reliable water supply for Southern California. Read a commentary by Fontana Mayor Acquanetta Warren about the project’s importance, published in October 2023 in the Inland Valley Daily Bulletin.
Delta Conveyance Fact Sheet
Frequently Asked Questions
Climate Change Fact Sheet
Water Resiliency Portfolio Response
Powerful Coalition Supports Modernizing State’s Water System
Notable Supporters
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Former Governor Jerry Brown California Black Chamber of Commerce California Building Industry Association California Chamber of Commerce California Hispanic Chambers of Commerce California Contract Cities Association California State Conference NAACP California State Council of Laborers California State Pipe Trades Council California Teamsters Public Affairs Council Calleguas Municipal Water District Eastern Municipal Water District Irvine Ranch Water District Laborers International Union of North America |
Los Angeles Area Chamber of Commerce Los Angeles County Business Federation (BizFed) Los Angeles County Economic Development Corporation Los Angeles/Orange Counties Building & Construction Trades Council Los Angeles Local Agency Formation Commission Municipal Water District of Orange County Orange County Business Council San Diego Local Agency Formation Commission Silicon Valley Leadership Group Southern California Association of Governments Southern California Partnership for Jobs State Building & Construction Trades Council of California Valley Industry & Commerce Association |
Water Agencies, Districts & Organizations
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Association of Water Agencies of Ventura County Berylwood Mutual Water Company Burbank Water and Power California American Water Company Calleguas Municipal Water District Camrosa Water District Central Arizona Project Central Arizona Water Conservation District Chino Basin Water Conservation District Coachella Valley Water District Construction Industry Coalition on Water Quality Crestview Mutual Water Company Cucamonga Valley Water District Department of Water Resources Desert Water Agency East Orange County Water District Eastern Municipal Water District El Toro Water District Foothill Municipal Water District Inland Empire Utilities Agency Inland Empire Water Purveyor Coalition Irvine Ranch Water District Laguna Beach County Water District Las Virgenes Municipal Water District Los Angeles Water & Power Associates Mesa Water District Mojave Water Agency Moulton Niguel Water District |
Municipal Water District of Orange County Municipal Water District’s Supervisors Association Oak Park Water Service Ojai Valley Water Advisory Group Orange County Water District Piping Industry Progress & Education Trust Fund Pleasant Valley Mutual Water Company Rubio Cañon Land & Water Association San Bernardino Valley Municipal Water District San Gabriel County Water District Santa Ana Watershed Project Authority Santa Clarita Valley Water District Santa Margarita Water District Serrano Water District Southern Nevada Water Authority Thermic Mutual Water Company Three Valleys Municipal Water District Trabuco Canyon Water District Triunfo Sanitation District United Water Conservation District Upper San Gabriel Valley Municipal Water District Valley Water Company West Basin Municipal Water District Western Municipal Water District of Riverside County Yorba Linda Water District Zone Mutual Water Company |
Regional/Local Government
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Association of California Cities Orange County California Contract Cities Association City of Anaheim City of Brea City of Buena Park City of Camarillo City of Colton City of Fountain Valley City of Garden Grove City of Glendale City of Hemet City of Huntington Beach City of Irvine City of Menifee City of Moorpark City of Murrieta City of Oxnard City of Pasadena City of Port Hueneme City of San Jacinto City of San Marino City of Santa Ana City of Simi Valley |
City of Thousand Oaks City of Tustin City of Villa Park City of Westminster Orange County Council of Governments Orange County Local Agency Formation Commission Riverside Local Agency Formation Commission San Bernardino Local Agency Formation Commission San Diego Local Agency Formation Commission San Gabriel Valley Council of Governments Southern California Association of Governments Ventura Council of Governments Western Riverside Council of Governments William Weirick, Councilmember, City of Ojai Conejo Recreation & Park District Democratic Club of Camarillo Democratic Club of Moorpark Emerald Bay Service District Los Angeles Local Agency Formation Commission Marion Ashley, Former Supervisor, County of Riverside |
Business
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AECOM American Council of Engineering Companies, California Associated General Contractors of California Beverly Hills Chamber of Commerce Big Bear Chamber of Commerce Blois Construction Bell Gardens Chamber of Commerce Building Industry Association of Los Angeles/Ventura Building Industry Association of Southern California Building Industry Legal Defense Foundation Building Owners & Managers Association of Greater Los Angeles Burbank Chamber of Commerce California Building Industry Association California Business Properties Association California Chamber of Commerce California Metals Coalition California Small Business Association Camarillo Chamber of Commerce Central City Association of Los Angeles Cerritos Regional Chamber of Commerce Chamber of Commerce Alliance of Ventura & Santa Barbara Counties Chamber of Commerce Mountain View Construction Industry Coalition on Water Quality Corona Chamber of Commerce Cupertino Chamber of Commerce Desert Valleys Builders Association El Monte/South El Monte Chamber of Commerce El Segundo Chamber of Commerce Engineering Contractors’ Association Fresno Chamber of Commerce Gateway Chambers of Alliance Glendale Chamber of Commerce Glendora Chamber of Commerce Greater Bakersfield Chamber of Commerce Greater Conejo Valley Chamber of Commerce Greater Irvine Chamber of Commerce Greater Ontario Business Council Greater Riverside Chambers of Commerce Greater West Covina Business Association Hanford Chamber of Commerce Harbor Association of Industry & Commerce Hemet/San Jacinto Chamber of Commerce Hollywood Chamber of Commerce Hollywood F&D Properties Hueneme Chamber of Commerce Huntington Beach Chamber of Commerce Industry Business Council Inland Action Inland Empire Economic Partnership Irvine Chamber of Commerce Irwindale Chamber of Commerce Kern County Taxpayer Association Krieger & Stewart La Verne Chamber of Commerce LAX Coastal Chamber of Commerce |
Lemoore Chamber of Commerce Long Beach Area Chamber of Commerce Los Altos Chamber of Commerce Los Angeles Area Chamber of Commerce Los Angeles Business Council Los Angeles County Business Federation (BizFed) Los Angeles County Economic Development Corporation Middle Class Taxpayers Association Monday Morning Group Monrovia Chamber of Commerce Moorpark Chamber of Commerce Moreno Valley Chamber of Commerce National Association of Women Business Owners North Orange County Chamber of Commerce Ontario Chamber of Commerce Orange County Business Council Orange County Realtors Orange County Taxpayers Association Oxnard Chamber of Commerce Palos Verdes Peninsula Chamber of Commerce Parsons Perliter & Ingalsbe Consulting Engineers Pomona Chamber of Commerce Redondo Beach Chamber of Commerce Regional Chamber of Commerce, San Gabriel Valley San Bernardino Area Chamber of Commerce San Dimas Chamber of Commerce San Fernando City Chamber of Commerce San Francisco Chamber of Commerce San Gabrial Valley Chamber of Commerce San Gabriel Valley Economic Partnership San Gabriel Valley Legislative Coalition of Chambers San Jose/Silicon Valley Chamber of Commerce Santa Clarita Valley Chamber of Commerce Silicon Valley Leadership Group Simi Valley Chamber of Commerce South Bay Association of Chambers of Commerce South Gate Chamber of Commerce South Orange County Economic Coalition Southern California Leadership Council Southern California Partnership for Jobs Southwest California Legislative Council Southwest Riverside County Association of Realtors Stantec Temecula Valley Chamber of Commerce Torrance Area Chamber of Commerce United Chambers of Commerce of the San Fernando Valley Upland Chamer of Commerce Valley Industry & Commerce Association Valley Industry Association Ventura County Economic Development Association Ventura County Taxpayers Association West Hollywood Chamber of Commerce Westside Council of Chambers of Commerce |
Labor Groups
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Bricklayers & Allied Craftworkers Local 3 Union Building & Construction Trades Council of Alameda County California Alliance for Jobs California Labor Management Cooperation Trust California State Association of Electrical Workers California State Council of Laborers California State Pipe Trades Council California Teamsters Public Affairs Council Cement Masons Local 500 District Council of Iron Workers Humboldt & Del Norte Counties Building & Construction Trades Council IBEW Local 100 IBEW Local 11 IBEW Local 18 IBEW Local 234 IBEW Local 302 IBEW Local 332 IBEW Local 340 IBEW Local 40 IBEW Local 413 IBEW Local 428 IBEW Local 440 IBEW Local 441 IBEW Local 45 IBEW Local 47 IBEW Local 477 IBEW Local 551 IBEW Local 569 IBEW Local 595 IBEW Local 6 IBEW Local 639 IBEW Local 684 IBEW Local 952 Imperial County Building & Construction Trades Council Insulators & Allied Workers Local 16 International Association of Heat & Frost Insulators & Allied Workers Local 5 International Brotherhood of Boilermakers International Brotherhood of Boilermakers Local 1998 International Brotherhood of Boilermakers Local 549 International Brotherhood of Boilermakers Local 92 International Union of Operating Engineers Local 12 International Union of Operating Engineers Local 3 International Union of Painters & Allied Trades, District Council 36 Ironworkers Local 155 Ironworkers Local 416 Ironworkers Local 433 Kern, Inyo & Mono Building & Construction Trades Council Laborers Gunite Local 345 Laborers International Union of North America Local 1184 Laborers International Union of North America Local 652 Laborers International Union of North America (LiUNA) Los Angeles/Orange Counties Building & Construction Trades Council |
Marin County Building & Construction Trades Council Monterey/Santa Cruz Building & Construction Trades Council Northeastern California Building & Construction Trades Council Sailors’ Union of the Pacific San Bernardino & Riverside Counties Building & Construction Trades Council San Diego County Building & Construction Trades Council San Francisco Building & Construction Trades Council San Francisco Labor Council San Francisco Peninsula Fire Safe Council San Mateo County Building & Construction Trades Council Santa Clara & San Benito Counties Building & Construction Trades Council Sheet Metal Workers’ Local 104 Sheet Metal, Air, Rail & Transportation Western States Council Sheet Metal, Air, Rail & Transportation Workers Local 105 Sign Display & Allied Crafts Union Local 510 Sonoma, Mendocino & Lake Counties Building & Construction Trades South Bay Labor Council Southern California District Council of Laborers Southern California Pipe Trades District Council 16 Southwest Regional Council of Carpenters Stanislaus, Merced, Tuolumne & Mariposa Counties Building & Construction Trades Council State Building & Construction Trades Council of California Teamsters Joint Council 42 Teamsters Joint Council 7 Tri Counties Building & Construction Trades Council Unite Here Local 30 United Association of Landscape & Irrigation, Sewer & Storm, Underground Industrial Piping Industry Local 345 United Association of Plumbers & Pipefitters Local 114 United Association of Plumbers & Steamfitters Local 398 United Association of Plumbers & Steamfitters Local 403 United Association of Plumbers & Steamfitters Local 484 United Association of Plumbers, Pipefitters, Refrigeration UA Local 364 United Association of Plumbers, Steamfitters, Refrigeration & HVAC Service Technicians Local 230 United Association of Steam, Refrigeration, Air Conditioning, Pipefitters & Apprentices Local 250 United Union of Roofers, Waterproofers & Allied Workers Local 220 United Union of Roofers, Waterproofers & Allied Workers Local 27 United Union of Roofers, Waterproofers & Allied Workers Local 36 United Union of Roofers, Waterproofers & Allied Workers Local 40 United Union of Roofers, Waterproofers & Allied Workers Local 45 United Union of Roofers, Waterproofers & Allied Workers Local 81 Ventura County Coalition of Labor, Agriculture & Business Western Regional District Council of Roofers & Waterproofers |
Community Specific Organizations
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Beverly Hills/Hollywood NAACP California Asian Pacific Chamber of Commerce California Black Chamber of Commerce California Hispanic Chambers of Commerce California State Conference NAACP Greater Los Angeles African American Chamber of Commerce Inland Empire African-American Chamber of Commerce |
Los Angeles Latino Chamber of Commerce Orange County Black Chamber of Commerce San Jose/Silicon Valley NAACP Silicon Valley Vietnamese American Chamber of Commerce Southern California Hispanic Chamber of Commerce The San Jose Cambodian Buddhist Society Tulare Kings Hispanic Chamber of Commerce |
Environmental Organizations
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Climate Resolve Natural Heritage Institute |
New Environmental Leaders of America Sportfishing Conservancy |
Agricultural Organizations
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California Avocado Commission California Citrus Mutual California Cotton Growers Association CoLAB Ventura County Fresno County Farm Bureau Kings County Farm Bureau |
Orange County Farm Bureau Orange County Produce, LLC Pistachio Producers of California Riverside County Farm Bureau Village Nurseries |