California — all systems

California water systems A–Z

Page 2 of 11 · Burnt Ranch Estates → City of Newman-water Department. Every public water system we track in California, alphabetically. Each links to the system's measured contaminant levels against federal limits.

• Burnt Ranch Estates (2023)
• Burnt Ranch School (2024)
• Burrel Union Elementary School (2024)
• Burtch Construction (2025)
• Butano Canyon Mutual (2025)
• Butte City Community S.d. (2025)
• Butte Court Mobile Home Park (2017)
• Butte Creek Estates Mutual Water Co (2025)
• Butte-glenn Community College Dist (2025)
• Butterfield Ranch (2024)
• Butteville Union School (2025)
• Buttonwillow Cwd (2025)
• Cabana Holiday Ws (2023)
• Cabazon Water District — Cabazon, Ca (2023)
• Cabrillo College (2025)
• Cachagua Comm Ctr Ws (2023)
• Cachagua Mutual Ws (#4) (2025)
• Cacheville Service Dist (2025)
• Cachuma Village (2025)
• Caillier Water System (2023)
• Cakebread Cellar (2025)
• Cal 20 Village and Meadow Pointe Park (2024)
• Cal Am - Antelope (2025)
• Cal Am - Arden (2025)
• Cal Am - Bass Lake (2025)
• Cal Am - Coarsegold (2023)
• Cal Am - Dunnigan (2023)
• Cal Am - Fruitridge Vista (2024)
• Cal Am - Goldside (2025)
• Cal Am - Isleton (2024)
• Cal Am - Lincoln Oaks (2025)
• Cal Am - Meadowbrook (2025)
• Cal Am - Oakhurst (2025)
• Cal Am - Parkway (2025)
• Cal Am - Raymond (2025)
• Cal Am - Security Park (2025)
• Cal Am - Suburban Rosemont (2025)
• Cal Am - Walnut Grove (2025)
• Cal Am - West Placer — Sacramento, Ca (2023)
• Cal Am - West San Martin (2025)
• Cal Am Water Company - Ambler Park (2023)
• Cal Am Water Company - Chualar (2023)
• Cal Am Water Company - Garrapata (2025)
• Cal Am Water Company - Hidden Hills (2023)
• Cal Am Water Company - Monterey (2025)
• Cal Am Water Company - Ralph Lane (2023)
• Cal Am Water Company - Toro (2025)
• Cal American - Yerba Buena (2025)
• Cal American Water Co (2024)
• Cal American Water Company - Piru (2024)
• Cal American Wc - Las Posas Estates (2024)
• Cal American Wc - Rio Plaza (2025)
• Cal Fire - Ishi Conservation Camp (2023)
• Cal Fire - Miramonte Conservation Camp (2023)
• Cal Fire - Mountain Home Cnsrvtn Camp (2024)
• Cal Fire - Salt Creek Conservation Camp (2024)
• Cal Fire - Sugar Pine Conservation Camp (2024)
• Cal Fire - Valley View C.c (2023)
• Cal Fire Baseline Conservation Camp (2023)
• Cal Fire Sonoma-lake-napa Unit Hq (2024)
• Cal Fire-deadwood Conservation Camp (2023)
• Cal Fire-devil's Garden Camp (2025)
• Cal Fire-eel River Conservation Camp (2023)
• Cal Fire-high Rock Conservation Camp (2023)
• Cal Fire-intermountain Conservation Camp (2023)
• Cal Fire-trinity River Conservation Camp (2025)
• Cal Ore Mobile Estates (2024)
• Cal Trans Chp Chowchilla River Facility (2022)
• Cal-am Water Company - Duarte (2024)
• Cal-am Water Company - East Pasadena (2025)
• Cal-am Water Coronado (2024)
• Cal-water Service Co.-hamilton City (2023)
• Cal-water Service Co.-marysville (2025)
• Cal-water Service Co.-oroville (2025)
• Cal-water Service Co.-willows (2023)
• Cal/am Water Company - Baldwin Hills (2024)
• Cal/am Water Company - San Marino — Rosemead, Ca (2023)
• Calaveras Pud (2025)
• Calbee America Incorporated (2025)
• Calenergy (administrative) (2025)
• Calenergy (eng. & Tech.) (2025)
• Calenergy (salton Sea Unit No Iii) (2025)
• Calenergy (vulcan Power Plant) (2025)
• Calera Canyon Heights Hoa (2025)
• Calexico, City of — Calexico, Ca (2023)
• Calfire-alder Conservation Camp (2023)
• Calgren Renewable Fuels (2025)
• Cali Lake Rv Resort (2025)
• Calico Ghost Town (2025)
• Calico Lake Homeowners (2025)
• Calif State Polytechnical Univ - Pomona (2025)
• Califia Farms Water System (2024)
• California Citrus Association (2025)
• California City, City of (2024)
• California Conservation Camp #14 (2025)
• California Dairies Inc Tipton (2024)
• California Domestic Water Company — Whittier, Ca (2021)
• California Institution for Men (2025)
• California Institution for Women (2025)
• California Mens Colony (2025)
• California Nut Company (2025)
• California Olive Ranch (2025)
• California Orchard Ws (2023)
• California Pines C.s.d. (2023)
• California Portland Cement (2024)
• California Rehabilitation Center - Norco (2025)
• California Resources Elk Hills (2024)
• California State Fair (2018)
• California State Prison - Solano (2024)
• California State University Fresno (2023)
• California Steel Industries (2021)
• California Water Service - Bear Gulch (2024)
• California Water Service - Livermore (2024)
• California Water Service - San Carlos (2024)
• California Water Service - San Mateo (2025)
• California Water Service - Stockton (2024)
• California Water Service Co - Westlake (2024)
• California Water Service Co-lake Hughes (2025)
• California Water Service Co-leona Valley (2025)
• California Water Service Co. - Dixon (2025)
• California Water Service Co. - Dominguez — San Jose, Ca (2023)
• California Water Service Co. - Ela — San Jose, Ca (2023)
• California Water Service Co. - Herm/redo — San Jose, Ca (2023)
• California Water Service Co. - Palos Ver — San Jose, Ca (2023)
• California Water Service Co.-lancaster — San Jose, Ca (2023)
• California Water Service Co.-travis Afb (2024)
• California Water Service-s San Francisco (2025)
• California-american Geyserville (puc) (2024)
• California-american Larkfield (puc) (2025)
• Californian Mobile Home Park (2025)
• Calipatria State Prison (2023)
• Calistoga Farm Worker Center (2023)
• Calistoga, City of (2022)
• Callahan Water District (2021)
• Callayomi County Water District (2025)
• Callender Grove Mutual Water (2023)
• Calpella County Water District (2024)
• Calpine (geysers Administration Center) (2023)
• Calpine (west Field Office) (2025)
• Calportland Oro Grande Plant (2023)
• Caltrans - Mountain Pass Jpoe Cvef (2022)
• Caltrans Visalia Maintenance Station (2024)
• Caltrans-cottonwood Truck Insp. Fac. (2025)
• Caltrans-dunsmuir Grade Insp. Facility (2025)
• Calva Products Co Inc (2023)
• Calvary Chapel Church (2020)
• Calvary Chapel of Red Bluff (2024)
• Calvary Church Inc Ws (2023)
• Calwest Rain - Kerman (2024)
• Camanche North Shore Inc. (2025)
• Camanche South Shore-ebmud (2025)
• Camarillo Water Dept (2025)
• Cambria Comm Services Dist (2025)
• Cambria Winery (2025)
• Cambrian Park (2025)
• Camden Trailer Park (2025)
• Camino Mobilehome (2025)
• Camp Denver Fox (2025)
• Camp Jones Gulch (2025)
• Camp Loma Mar (2025)
• Camp Meeker Water System (2025)
• Camp Nelson Water Company (2024)
• Camp Owen Water System (2023)
• Camp Pendleton (north) (2025)
• Camp Pendleton (south) (2025)
• Camp Roberts - California National Guard (2024)
• Camp Scheideck (2025)
• Camp Scott and Scudder (2023)
• Camp Stevens (2025)
• Camp Waterman Mwc (2023)
• Camp Williams-resort Water (2025)
• Campbell (2025)
• Campbell Soup Dixon (2025)
• Campers Inn - Rv & Golf Course (2025)
• Camphora Apartments (2023)
• Camphora Station Ws (2023)
• Campo Elementary School (2024)
• Campo Hills-county Public Works Wastewtr (2023)
• Campos Bros. Farms (2024)
• Camps Munz and Mendenhall (2024)
• Camptonville Community Serv Dist (2024)
• Camrosa Water District (2025)
• Canada Woods Wc (2023)
• Candlelight Village Mutual Water Co. (2024)
• Canoga Park (2023)
• Canon Manor Water System (2025)
• Cantua Creek Vineyards, Iv, Llc. (2025)
• Canyon Creek Mhp (2023)
• Canyon Crest Mutual Benefit Wc (2023)
• Canyon Meadows Mutual Water (2023)
• Canyon Rv Park (2025)
• Canyon School (2020)
• Capay Joint Union Elem. School (2025)
• Capell Valley Estates (2025)
• Capital Lumber Company (2025)
• Captain Cooper School Ws (2025)
• Capurro & Son Ws (2023)
• Cardinale Estate (2025)
• Cardoza Villa Corp (2024)
• Caribou Mobile Park Pws (2025)
• Carlsbad MWD (2024)
• Carmel Mountain (2023)
• Carmel Riviera Mwc (2020)
• Carmel Valley (2023)
• Carmelo Industrial Park (2019)
• Carmet By the Sea Water Company (2025)
• Carmichael Water District — Carmichael, Ca (2023)
• Carneros Deli (2025)
• Carneros Warehousing (2024)
• Carpinteria Valley Water District (2025)
• Carriere Family Farms (2025)
• Carrisa Plains Elementary (2020)
• Carson Landscape Industries (2022)
• Cartago Mutual Water Company (2024)
• Caruthers Comm Serv Dist (2024)
• Caruthers Raisin Packing Co (2023)
• Carver Tract Mutual Water Comp (2023)
• Casa De Amigos Manufactured Housing Comm (2025)
• Casa De Fruta Orchards (2025)
• Casa De Fruta Water System (2024)
• Casa Dulce Estates (2025)
• Casa Medanos Water System (2019)
• Cascade Estates (2023)
• Cascadel Mutual Water System (2025)
• Casitas Municipal Water Dist — Oak View, Ca (2023)
• Casitas Mutual Water Company (2023)
• Casmalia Community Services District (2024)
• Caspar South Service Company (2024)
• Cassel Park Mutual Water Co (2025)
• Cassin Ranch (driscoll's) (2023)
• Castello Di Amorosa (2025)
• Casterlin School (2025)
• Castle Airport (2023)
• Castle Mountain Mine (2025)
• Castlewood Domestic Water System (2023)
• Castlewood Mobile Home Park (2025)
• Castro (2024)
• Castro Valley (2024)
• Castroville Community Services District (2025)
• Cathedral Hills Mwc, Inc (2025)
• Cathedral Wood Mutual Water Company (2024)
• Caymus Cordelia Winery (2025)
• Caymus Vineyards (2025)
• Cayucos Beach Mutual Water Company (2025)
• Cazadero Water Company, Inc. (puc) (2025)
• Cbuso Dba Woodbridge Winery (2025)
• Cbuso Mission Bell (2025)
• Cc Farms, Llc. (2025)
• Cci - Tehachapi (2025)
• CCWD - Copper Cove (2024)
• CCWD - Ebbetts Pass (2025)
• CCWD - Jenny Lind (2023)
• CCWD - Sheep Ranch (2024)
• CCWD - Wallace (2024)
• CCWD - West Point (2024)
• Cdcr - Sierra Conservation Center (2024)
• Cdcr California Health Care Facility (2025)
• Cdcr-high Desert State Prison (2024)
• Cdf - Oak Glen Conservation Camp (2024)
• Cdf - Owens Valley Conservation Camp (2023)
• Cdf - Pilot Rock Conservation Camp (2024)
• Cdf-chamberlain Creek Conservation Camp (2024)
• Cdf-konocti Conservation Camp No. 27 (2024)
• Cdf-parlin Fork Conservation Camp (2023)
• Cebro Frozen Foods (eh) (2024)
• Cedar Creek Mobilehome Park (2023)
• Cedar Lodge (2023)
• Cedar Valley Mutual Water Co (2025)
• Cedarpines Park Mwc (2025)
• Cedarville County Water Dist. (2023)
• Cemex Calif Cement Llc Av (2025)
• Cemex Calif Cement Llc Vv (2025)
• Center Water Co (2022)
• Centerville C.s.d. (2024)
• Centerville School (2025)
• Centinela State Prison (2024)
• Central Bay High School Ws (2023)
• Central Ca Womens Facility — Chowchilla, Ca (2023)
• Central High School West (2024)
• Central Valley Baptist Church Ws (2025)
• Central Valley Eggs, Llc (2024)
• Central Valley Meat Co Inc (2024)
• Central Water District (2025)
• Century Mobile Home Park (2023)
• Ceres Unified/westport School (2024)
• Ceres, City of — Ceres, Ca (2023)
• Cerritos - City, Water Dept. — Cerritos, Ca (2023)
• Certainteed Llc (2025)
• Chalfant Valley West M.w.c. (2025)
• Chalk Hill Estates Hoa (2025)
• Chalk Hill Winery (2025)
• Chamisal Mwc (2024)
• Chamisal Wa (2025)
• Chanac Creek Mutual Water Company (2025)
• Channel Islands Beach Csd (2025)
• Chargin-sossamon Water System (2024)
• Charity Way Water System (2024)
• Charles Brown Water Company (2025)
• Charleston School (2024)
• Chateau Montelena Winery (2025)
• Chatom School (eh) (2024)
• Chatsworth (2023)
• Chemeketa Park Mutual Water Company (2025)
• Cherry Lane Trailer Park (2023)
• Cherry Valley Water Company (2023)
• Chester Public U.d. (2024)
• Chetmoore Acres Wa (2025)
• Chevron San Joaquin (2025)
• Chico (2024)
• Childkind Laguna Preschool (2023)
• China Lake Acres Mutual Water Company (2023)
• China Lake Naval Air - South Range (2025)
• China Lake Naval Air Weapons Station — China Lake, Ca (2023)
• Chinatown (2024)
• Chinese Camp School (2023)
• Chino Hills, City of (2024)
• Chino, City of (2024)
• Chiri Sweet Water Company (2025)
• Chiriaco Summit Water Dist. (2023)
• Choctaw Valley Mutual Water Co. (2023)
• Chooljian Bros Packing Co (2025)
• Chowchilla City Water Dept (2024)
• Christian Encounter Ministries (2023)
• Christian Valley Park Csd (2023)
• Christopher Ranch L.l.c. (2024)
• Chuckawalla Valley State Prison (2024)
• Church of Glad Tidings (2024)
• Church of the Good Shepherd Ws (2025)
• Cinnabar Elementary School (2024)
• Cinnabar Hills Golf Club (2024)
• Circle K Ranch (2025)
• Circle Oaks Water District (2023)
• Citrus Heights Water District (2024)
• City Heights (2023)
• City of 10,000 Buddhas (2024)
• City of Alhambra (2024)
• City of Alturas (2025)
• City of Anaheim (2024)
• City of Anderson (2025)
• City of Antioch (2024)
• City of Arcadia (2025)
• City of Arroyo Grande Utilities Division (2024)
• City of Atwater (2025)
• City of Bell Gardens — Downey, Ca (2023)
• City of Benicia (2024)
• City of Biggs (2024)
• City of Brea — Brea, Ca (2023)
• City of Brentwood (2024)
• City of Brisbane (2025)
• City of Buellton Water Division — Buellton, Ca (2023)
• City of Buena Park (2024)
• City of Burlingame (2025)
• City of Colusa (2024)
• City of Corning (2025)
• City of Crescent City (2024)
• City of Cupertino (2024)
• City of Daly City (2025)
• City of Davis (2024)
• City of Dixon (2024)
• City of Dos Palos — Dos Palos, Ca (2023)
• City of East Palo Alto (2023)
• City of Fountain Valley (2024)
• City of Fowler (2024)
• City of Fresno (2025)
• City of Garden Grove (2025)
• City of Gilroy (2024)
• City of Grass Valley (2024)
• City of Gridley (2023)
• City of Grover Beach Public Works Dept (2024)
• City of Gustine (2025)
• City of Hayward (2025)
• City of Industry Waterworks Systems (2025)
• City of Jackson (2024)
• City of La Habra (2024)
• City of La Palma (2024)
• City of Lathrop (2024)
• City of Lincoln (2025)
• City of Live Oak (2023)
• City of Livermore (2025)
• City of Livingston (2025)
• City of Los Banos — Los Banos, Ca (2023)
• City of Loyalton (2023)
• City of Madera (2025)
• City of Martinez (2025)
• City of Merced (2024)
• City of Merced Wwtp (2024)
• City of Millbrae (2025)
• City of Milpitas (2025)
• City of Modesto - Central Turlock (2023)
• City of Modesto - Del Rio (2025)
• City of Modesto - Grayson (2023)
• City of Modesto - North Turlock (2023)
• City of Modesto - Salida — Modesto, Ca (2023)
• City of Modesto - South Turlock (2023)
• City of Modesto - Walnut Manor (2023)
• City of Morgan Hill (2024)
• City of Mountain House (2025)
• City of Mountain View (2025)
• City of Nevada City (2023)
• City of Newman-water Department (2024)