Water Providers in California
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- Adelanto Water
- Alameda County Water
- Anaheim Water
- Antelope Valley-East Kern Water Agency
- Apple Valley Ranchos Water
- Arcadia Water
- Arvin Community Services District
- Atascadero Mutual Water Company
- Atwater Water
- Azusa Light And Water
- Bakersfield Water
- Beaumont Cherry Valley Water District
- Bellflower-Somerset Mutual Water Company
- Benicia Water
- Brentwood Water
- Buena Park Water
- Burbank City Water Department
- Burlingame Water Department
- Cal-Am - Antelope
- Cal Am Water Monterey
- Cal Am Water Parkway
- Cal Am Water - Thousand Oaks
- California American Water
- California American Water
- California American Water Coronado
- California American Water Duarte
- California Water Service
- California Water Service - Dominguez
- California Water Service - San Mateo
- CalWater - Bakersfield
- CalWater - Bear Gulch
- CalWater (California Water Service) - East Los Angeles District
- CalWater (California Water Service) – Stockton
- CalWater (California Water Service) - Visalia
- Calwater Hermosa-Redondo
- CalWater - Livermore
- Cal Water Los Altos
- CalWater - North Garden
- Cal Water - Rancho Dominguez
- CalWater - San Carlos
- Cal-Water Service Chico
- CalWater - South San Francisco
- Camarillo Water
- Camrosa Water District
- Carlsbad Water
- Carmichael Water District
- Citrus Heights Water
- City of Alhambra Water
- City Of American Canyon Water
- City of Antioch Water
- City Of Banning Water Department
- City Of Beverly Hills Water
- City Of Brawley Water
- City Of Brea Water
- City Of Calexico Water
- City Of Ceres Water
- City Of Cerritos Water
- City Of Chino Water
- City Of Clovis Water
- City Of Coachella Water
- City of Corona Water
- City Of Delano Water
- City Of Dinuba Water
- City of El Centro Water
Water Providers by City
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- Adelanto City
- Alhambra City
- American Canyon
- Anaheim
- ANAHEIM
- Anaheim City
- and Monrovia City
- and Whittier City
- Antioch City
- Apple Valley
- Arcadia
- Arcadia City
- Artesia
- Arvin City
- Atascadero City
- Atherton
- Atwater City
- Auburn
- Azusa City
- Bakersfield City
- Baldwin Park City
- Bangor
- Banning City
- Barstow
- Beaumont City
- Bellflower
- Bell Gardens
- Belmont
- Benicia City
- Beverly Hills
- Bowman
- Bradbury City
- Brawley City
- Brea
- Brentwood City
- Buena Park
- Buena Park City
- Burbank City
- Burlingame City
- Calabasas City
- Calexico City
- Camarillo City
- Carlsbad City
- Carmichael City
- Ceres City
- Cerritos City
- Chico City
- Chino
- Chula Vista City
- Citrus Heights
- Clovis City
- Coachella
- Coachella City
- Colton City
- Compton City
- Concord City
- Corcoran City
- Corona City
- Coronado
- Corte Madera City
- Costa Mesa
- Covina City
- Cowan Heights
- Culver
Water Providers by County
- ALAMEDA
- Alameda Countty
- Alameda County
- Butte County
- Contra Costa County
- El Dorado County
- Fresno
- Fresno County
- Humboldt County
- Imperial County
- Kern County
- Kings County
- LONG BEACH
- Los Angeles
- LOS ANGELES
- Los Angeles County
- Madera County
- Marin County
- Merced County
- Monterey County
- Napa County
- ORANGE
- Orange County
- Placer County
- RIVERSIDE
- Riverside County
- Sacramento
- SACRAMENTO
- Sacramento Counrty
- Sacramento County
- San Benito County
- San Bernardino
- San Bernardino County
- SAN DIEGO
- San Diego County
- San Joaquin County
- San Juaquin County
- San Luis Obispo County
- San Mateo
- San Mateo County
- Santa Barbabara County
- Santa Barbara County
- SANTA CLARA
- Santa Clara County
- Santa Cruz County
- Shasta County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tulare County
- Ventura County
- Yolo County
Resources
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Utah's Water Quality Scores a B+
Read moreUtah earned a B+ in water quality from WaterZen. How does Utah's grade compare to neighboring states?
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WaterZen Grading Methodology
Read moreWaterZen.com has assigned a letter grade for the water quality of nearly 1,500 water providers across the US. Here's our methodology.
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The Safe Water Drinking Act of 1974 and Water Safety Standards in the United States
Read moreLearn all about the water regulations and reasons behind the Safe Drinking Water Act of 1974 passed by Congress to ensure that Americans have clean drinking water.