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SCWC’s membership, approximately 200 organizations strong and growing daily, spans across Southern California, from Kern and Ventura down to San Diego and Imperial counties.

Our members represent water interests and stakeholders from a multitude of interest areas – public and private – allowing SCWC to fully engage on California’s most critical water issues. This diversity allows SCWC to create a comprehensive and authoritative dialogue to build a safe, reliable water future for California.

Founding Members

County of San Bernardino

Inland Empire Utilities Agency

Irvine Ranch Water District

Los Angeles County Department of Public Works

Los Angeles Department of Water & Power

Metropolitan Water District of Southern California

Riverside County Flood Control & Water Conservation

West Basin Municipal Water District

Premier Members

Cadiz, Inc.

Cordoba Corporation

County of Orange


Long Beach Water Department

Mojave Water Agency

Moulton Niguel Water District


Patron Members

Advanced Microgrid Solutions

Best Best & Krieger, LLP

Black & Veatch Corporation

Building Industry Association of Southern California

Butier Engineering

Carollo Engineers

CDM Smith

City of Anaheim

City of Industry

City of Los Angeles Sanitation Districts

Cucamonga Valley Water District

Eastern Municipal Water District

Engineering Contractors Association

Hazen & Sawyer


Las Virgenes Municipal Water District

Lewis Group of Companies

Michael Baker International

Nossaman, LLP

Orange County Water District

Poseidon Water

Procter & Gamble

San Bernardino Valley Municipal Water District

San Diego Gas & Electric (SDGE)

Santa Ana Watershed Project Authority

Santa Margarita Water District

Scotts Miracle Gro

Smart Energy Water

Southern California Edison

Southern California Gas Company

Southern California Partnership for Jobs

Starrh & Starrh Cotton Growers

Tetra Tech

Three Valleys Municipal Water District

Upper San Gabriel Valley Municipal Water District

Water Conservation Partners, Inc.

Water Replenishment District of Southern California

Western Municipal Water District



Advisory Members

Chino Basin Water Conservation District

City of Mission Viejo

Greenberg Glusker

KP Public Affairs


San Diego County Water Authority

Santa Clarita Valley Water Agency

General Members

Aera Energy, LLC

Albert A. Webb Associates

Anne B. Bamford

Aqua Tecture

Arvin-Edison Water Storage

Association of California Water Agencies

Borchard Companies, Inc.

Brown & Caldwell

California Advocates Inc.

California-American Water Company

California Contract Cities Association

California Domestic Water Co.

Calleguas Municipal Water District

Chino Basin Watermaster

Citizens United for Resources and Environment, Inc.

City of Burbank Water & Power

City of Cerritos

City of Chino

City of Colton

City of Escondido

City of Huntington Beach

City of La Verne

City of Laguna Woods

City of Ontario

City of Pasadena

City of San Clemente

City of Santa Ana

City of Santa Monica

City of Signal Hill

City of Tustin

CJ Segerstrom & Sons

Conservation Strategy Group

Construction Industry Coalition on Water Quality

Crescenta Valley Water District

Curtis Tamkin

Dee Jaspar & Associates, Inc.

Dennis Davis

Desert Water Agency

Disney Worldwide

Downey Brand Attorneys, LLP

Dudek & Associates Inc.

East Orange County Water District

EBD Bauer

El Toro Water District

Foothill Municipal Water District

Gateway Water Management Authority

GEI Consultants Inc.

Geoffrey Vanden Heuvel

Geosyntec Consultants

GK & Associates

Glaser Weil

Glendale Water & Power


Hi-Desert Water District

Johnson Machinery Co.

Judith Ibarra-Bianchetta

Jurupa Community Services District

Kennedy/Jenks Consultants

Kern Delta Water District

Kern County Farm Bureau


Laborers-Employers Cooperation & Education Trust Southwest

Laer Pearce and Associates

Leslie Friedman Johnson

Los Angeles County Economic Development Corporation

Los Angeles County Sanitation Districts

Main San Gabriel Basin Watermaster

Majestic Realty Company

Mellano & Company

Mesa Water District

Milk Producers Council

Monte Vista Water District

Municipal Water District of Orange County

National Water Research Institute

Niemela Pappas

Orange County Business Council

Orange County Farm Bureau

Orange County Sanitation District

Probolsky Research



Rancho California Water District

Raymond Basin

Riverside County Farm Bureau

RMC Water & Environment

Ron Gastelum

San Bernardino County Department of Public Works

San Bernardino County Flood Control

San Diego County Farm Bureau

San Diego County Flood Control District

San Gabriel Basin Water Quality Authority

San Gorgonio Pass Water Agency

Semitropic Improvement District

Southern California Golf Association

SouthWest Water Company

Stacy A. Roscoe

Suburban Water Systems

The Gualco Group Inc.

Townsend Public Affairs

Valley Center Municipal Water District

Ventura County Public Works Agency

Vista Irrigation District

Watson Land Company

West Valley Water District

Wonderful Orchards

Yucaipa Valley Water District