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Member Agencies

Alameda County Flood Control and Water Conservation District Zone 7

logo-Zone7WaterAgencyZone 7 is committed to providing a reliable supply of high quality water and an effective flood control system to the Livermore-Amador Valley. In fulfilling our present and future commitments to the community, we will develop and manage the water resources in a fiscally responsible, innovative, proactive, and environmentally sensitive way.

Alameda County Water District

ACWD-LogoFor more than 90 years, the Alameda County Water District has supplied water to the residents and businesses of southern Alameda County. Today, the District supplies drinking water to the more than 324,000 people living in the cities of Fremont, Newark, and Union City.

Antelope Valley-East Kern Water Agency


 The Antelope Valley-East Kern Water Agency service area encompasses 2,300 square miles in the Mojave Desert area of California, northeast of Los Angeles, and supplies water to over twenty municipal users as well as Edwards AFB, Palmdale Air Force.

Casitas Municipal Water District

casitas-water-districtFormed in October of 1852, the Casitas Municipal Water District supplies water to 60-70,000 people in Western Ventura County and to hundreds of farms. The District boundaries encompass the city of Ojai, Upper Ojai, the Ventura River Valley area, the city of Ventura to Mills Road, and the Rincon and beach area to the ocean and Santa Barbara County line.

Castaic Lake Water Agency

castiac-lake-water-agencyCastaic Lake Water Agency (CLWA) is a public water wholesaler that provides about half of the water that Santa Clarita households and businesses use. The Santa Clarita Valley's available sources of drinking water include rivers, lakes, streams, ponds, reservoirs, springs and wells. CLWA supplements local groundwater supplies with State Water Project water from Northern California.

Central Coast Water Authority

Central-Coast-Water-Logo copyFormed in 1991, the Central Coast Water Authority serves reliable, high quality water to San Luis Obispo and Santa Barbara Counties.

City of Yuba City

yuba-cityThe City of Yuba City Utilities Division, a division of the Department of Public Works, oversees the operation of the City's water and wastewater treatment plants. The Utilities Division aims to provide safe, reliable and efficient water/wastewater services for the community and environment.

Coachella Valley Water District

cochella-valley-water-districtCVWD has been serving the Coachella Valley since 1918. The District delivers drinking water to more than 107,000 homes and businesses across 1,000 square miles of Riverside, Imperial and San Diego Counties. The District also irrigates nearly 60,000 acres of productive farmland.

County of Kings


The County of Kings is located in the south-central portion of the San Joaquin Valley and utilizes State Water Project water.  The County is among the top agricultural counties in the United States despite it’s relatively small size.  

Crestline-Lake Arrowhead Water Agency

crestline-arrow-head-water-agencyCrestline-Lake Arrowhead Water Agency (CLAWA) is a public agency created in 1962 to provide supplemental water to a portion of the San Bernardino Mountains. CLAWA’s boundary contains more than 50,000 acres, including approximately 25,000 acres of United States Forest Service (USFS) land.

Desert Water Agency

desert-waterDesert Water Agency is the water utility for the Palm Springs area including outlying county areas, Desert Hot Springs, part of Cathedral City and Palm Springs. Formed in 1961, the District is responsible for providing safe, reliable water to its 325 square mile service area.

Dudley Ridge Water District

Dudley Ridge Water District supplies State Water Project water to agricultural water users within the District’s  40,000 acres in western Kings County. All District facilities are lined canals or pipelines; water users all employ drip or micro-sprinkler irrigation systems on permanent crops (pistachios, almonds, pomegranates, stone fruit, and grapes).

Empire-West Side Irrigation District

The Empire West Side Irrigation District was formed in 1931, and its boundary includes a narrow territory that stretches more than seven miles along the South Fork of the Kings River.  The District administers and delivers irrigation water supplies including local river runoff and State Water Project water.

Kern County Water Agency

Kern-County-Water-Agency-LogoThe Kern County Water Agency (Agency) was created in 1961 by a special act of the State Legislature and serves as the local contracting entity for the State Water Project.  The Agency, which celebrates its 50th anniversary in 2011, participates in a wide scope of management activities, including water quality, flood control and groundwater operations to preserve and enhance Kern County’s water supply—the main ingredient for the well-being of an economy.

Littlerock Creek Irrigation District

littlerock-irrigation-districtLittlerock Creek Irrigation District

Metropolitan Water District of Southern California

metropolitan-water-district-of-so-calThe Metropolitan Water District of Southern California is a consortium of 26 cities and water districts that provides drinking water to nearly 19 million people in parts of Los Angeles. Orange, San Diego, Riverside, San Bernardino and Ventura counties.

The mission of the Metropolitan Water District of Southern California is to provide its service area with adequate and reliable supplies of high-quality water to meet present and future needs in an environmentally and economically responsible way.

Mojave Water Agency

mojave-water-agencyFounded in 1960, the Mojave Water Agency service area encompasses approximately 4,900 square miles of the High Desert in San Bernardino County. The State Water Project provides a critical source of water for the Mojave Water Agency and its customers.

Napa County Flood Control and Water Conservation District

napa-valley-flood-and-water-conservation-districtThe Napa County Flood Control and Water Conservation District is the local sponsor for the award-winning Napa River Flood Management Plan and administers water supply contracts, watershed management and stormwater management programs throughout Napa County. The District's mission is the conservation and management of flood and storm waters to protect life and property; the maintenance of the County watershed using the highest level of environmentally sound practices; and to provide coordinated planning for water supply needs for the community.

Oak Flat Water District

Oak Flat Water District

Palmdale Water District

palmdale-water-districtThe mission of the Palmdale Water District is to provide high quality water to customers at a reasonable cost. The PWD strives for excellence in providing high quality, reasonably priced water in a growing Antelope Valley by being a strong advocate for customers in local water issues, public education, asset management, water conservation, planning and securing additional water supplies, continuing our commitment to operate efficiently with the help of emerging technologies, challenging, motivating and rewarding our employees and offering premium customer service in all that we do.

San Bernardino Valley Municipal Water District

San-Bernardino-Valley-Municipal-Water-District-LogoThe San Bernardino Municipal Valley Water District covers about 325 square miles in southwestern San Bernardino County, about 60 miles east of Los Angeles, and has a population of about 600,000. It spans the eastern two-thirds of the San Bernardino Valley, the Crafton Hills, and a portion of the Yucaipa Valley and includes the cities and communities of San Bernardino, Colton, Loma Linda, Redlands, Rialto, Bloomington, Highland, East Highland, Mentone, Grand Terrace, and Yucaipa.

San Gabriel Valley Municipal Water District

san-gabriel-valley-water-districtFormed in 1959, the San Gabriel Valley Municipal Water District was formed to bring additional water to the San Gabriel Valley and ensure a lasting and adequate water supply. In addition to providing reliable water, the District works to protect the groundwater basin, improve water quality and encourage water conservation.

San Gorgonio Pass Water Agency

san-gorgonio-pass-water-agencyThe San Gorgonio Pass Water Agency, sells water from the State Water Project to local water retailers including  Yucaipa Valley Water District (the Calimesa area), the Beaumont Cherry Valley Water District (Beaumont and Cherry Valley), and the City of Banning. Based in Beaumont, the Agency serves a 225 square mile area throughout Riverside County.

San Luis Obispo County Flood Control & Water Conservation District

San-Luis-Obispo-Logo copyEstablished in 1945, the San Luis Obispo Flood Control and Water Conservation District is a resource to help individuals and communities in San Luis Obispo County identify and address flooding problems.

Santa Clara Valley Water District

santa-clara-valley-water-districtThe Santa Clara Valley Water District manages an integrated water resources system that includes the supply of safe, clean water, flood protection and stewardship of streams on behalf Santa Clara County’s 1.8 million residents. The district effectively manages 10 dams and surface water reservoirs, imported water supplies, three water treatment plants, a state-of-the-art water quality laboratory, nearly 400 acres of groundwater recharge ponds and more than 275 miles of streams. We also provide wholesale water to 13 local water retailers who deliver drinking water directly to homes and businesses.

Solano County Water Agency

SolanoSolano County Water Agency is a wholesale water agency providing untreated water to cities and agricultural districts in Solano County.  State Water Project water is supplied to four cities in Solano County through the North Bay Aqueduct of the State Water Project.  The Agency also supplies urban and agricultural water from the Federal Solano Project.  The Agency is involved in flood management and habitat conservation programs.

Tulare Lake Basin Water Storage District

TLBWSD-logoThe Tulare Lake Basin Water Storage District was formed in 1926 and its boundary includes nearly the entire Tulare Lake Bed.  The District administers and delivers irrigation water supplies, which are provided from a combination of different sources including but not limited to local river runoff and water from the State Water Project.

Featured Member


Napa County Flood Control and Water Conservation District

The Napa County Flood Control and Water Conservation District is the local sponsor for the award-winning Napa River Flood Management Plan and administers water supply contracts, watershed management and stormwater management programs throughout Napa County. The District's mission is the conservation and management of flood and storm waters...

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Featured Issue

Delta Disrupted

Delta Disrupted_Logo

The heart of California’s water system and the largest estuary on the West Coast—the Sacramento-San Joaquin Delta—is highly vulnerable. Environmental concerns are mounting. Water supplies are at risk. The U.S. Geological Survey has warned of a 63 percent probability that a 6.7 magnitude or larger earthquake will hit in the next 30 years....

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