fbpx Regulated Water Utilities in California - California Water Association

CWA companies represent over 90 utilities across the state, serving more than 6 million customers. Read below to learn more about which communities are served by our utilities.

Map of Regulated Water Utilities in California
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Coronado (HQ); Service Areas: Los Angeles, Monterey, Placer, Sacramento, San Diego, Sonoma, Ventura and Yolo Counties)
San Jose (HQ); Service Areas/Districts: Antelope Valley, East Los Angeles, Rancho Dominguez, Westlake, (Los Angeles County); Bakersfield, Kern River Valley (Kern County); Bayshore, Bear Gulch (San Mateo County); Chico, Oroville (Butte County); Dixon (Solano County); King City, Salinas (Monterey County); Livermore (Alameda County); Los Altos (Santa Clara County); Marysville (Yuba County); Redwood Valley (Sonoma and Lake Counties); Selma (Fresno County); Visalia (Tulare County); Stockton (San Joaquin); Willows (Glenn County)
San Dimas (Contra Costa, Imperial, Lake, Los Angeles, Orange, Sacramento, San Bernardino, San Luis Obispo, Santa Barbara and Ventura Counties)
San Jose (Santa Clara County)
Apple Valley (San Bernardino County) and Downey (Los Angeles County)
El Monte (Los Angeles and San Bernardino Counties)
San Jose (Santa Clara County)
Covina (Los Angeles and Orange Counties)

Salinas (Monterey County)
Fresno (Fresno County)
Chico (Butte and Tuolumne Counties)
Pasadena (Los Angeles County)

Carmichael (Placer County) (Agate Bay, northwest shore of Lake Tahoe)
Bass Lake (Madera County)
Santa Cruz (Santa Cruz County)
Cold Springs (Tuolumne County)
Lake Isabella (Kern County)
Tahoe City (Placer County)
Graeagle (Plumas County)
King City (Monterey County)
South Lake Tahoe (El Dorado County)
Bradley (San Luis Obispo County)
Gualala (Mendocino County)
Santa Rosa (Sonoma County)
Talmage (Mendocino County)
The Sea Ranch (Sonoma County)
Trona (San Bernardino County)
Santa Catilina Island (Los Angeles County)
Tahoe City (Placer County)
Weimar (Placer County)
Coarsegold (Madera County)

Porterville (Tulare County)
Greenfield (Monterey County)
Lower Lake (Lake County)
California Hot Springs (Tulare County)
Salinas (Monterey County)
Casmalia Subdivision (Santa Barbara County)
Cazadero (Sonoma County)
Friant (Madera County)
Cobb (Lake County)
Avery (Calaveras County)
Fresno (Fresno County)
Exeter (Tulare County)
Sacramento (Sierra County)
Havasu Landing (San Bernardino County)
Bakersfield (Kern County)
Tulare (Tulare County)
Keene, Woodford (Kern County)
Santa Rosa (Sonoma County)
Bear Valley (Alpine County)
Havasu Landing (San Bernardino County)
Gerber (Tehama County)
Boulevard (San Diego County)
Llano (Los Angeles County)
Bakersfield (Kern County)
Lytle Creek (San Bernardino County)
Klamath Falls (Siskiyou County)
Meadow Valley (Plumas County)
San Jose (Santa Clara County)
Napa (Napa County)
Chicago (Santa Cruz County)
Gerber (Tehama County)
Bakersfield (Kern County)
Los Angeles (Inyo County)
Camp Nelson (Tulare County)
Tehachapi (Kern County)
Point Arena (Mendocino County)
Aptos (Santa Cruz County)
Stockton (Sierra County)
Palm Desert (Riverside County)
Los Gatos (Santa Cruz County)
Red Bluff (Tahama County)
Big Pine (Inyo County)
Springville (Tulare County)
Sereno Del Mar (Sonoma County)
Sierra City (Sierra County)
Sonora (Tuolumne County)
Kenwood (Sonoma County)
Sonora (Tuolumne County)
Spreckels (Monterey County)
Mountain Center (Riverside County)
Stone Creek (Riverside County)
Susanville (Lassen County)
Homewood (El Dorado and Placer Counties)
Bridgeport (Mono County)
Morgan Hill (Santa Clara County)
Gerber (Tehama County)
Piru (Ventura County)
San Martin (Santa Clara County)
Cloverdale (Sonoma County)
Thousand Oaks (Ventura County)