PlainWater

Public Water Systems

7,249 active public water systems in CA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
Pixley Public Util Dist Pixley, CA 2,772 150 -
North Yuba Water District Brownsville, CA 2,772 4 -
June Lake PUD Village June Lake, CA 2,763 30 -
Riverdale Public Utility District Riverdale, CA 2,756 126 -
Fort Hunter Liggett Dublin, CA 2,753 11 -
Central Water District Aptos, CA 2,726 8 -
Fcwwd 41/Shaver Lake Fresno, CA 2,722 36 -
City of Alturas Alturas, CA 2,715 14 Detected
Strathmore Public Util Dist Strathmore, CA 2,669 189 -
Weed, City Of Weed, CA 2,662 21 -
Terra Bella Irrigation District - Tbt Terra Bella, CA 2,656 58 Clean
Arrowhead Villas Mutual Service Company Skyforest, CA 2,654 7 Clean
Lakeside Park Association South Lake Tahoe, CA 2,648 32 -
Pine Valley Mutual WC Pine Valley, CA 2,645 21 -
Caruthers Comm Serv Dist Caruthers, CA 2,613 140 -
San Miguel Community Services District San Miguel, CA 2,600 2 -
Caltrans-Red Bluff Rest-Nb Redding, CA 2,600 4 -
Rio Mesa High School/Oxnard Uhs Oxnard, CA 2,600 8 -
North Gualala Water Company Gualala, CA 2,593 11 -
Fulton Water Company Carnelian Bay, CA 2,593 41 -
Frazier Park PUD Frazier Park, CA 2,592 27 -
Cws - Kernville San Jose, CA 2,572 27 -
Bertsch Ocean View Csd Crescent City, CA 2,570 1 -
Smith River C.s.d. Smith River, CA 2,568 10 -
Cayucos Beach Mutual Water Company Cayucos, CA 2,567 1 -
Flying J Travel Center Knoxville, CA 2,565 11 -
Caltrans Camp Roberts Rsra Sb San Luis Obispo, CA 2,560 31 -
Rogina Water Company Inc. Talmage, CA 2,554 7 -
Caltrans-O'Brien Srra Redding, CA 2,550 5 -
Tipton Community Services Dist Tipton, CA 2,543 27 Clean
Alpine Water Users Association Twin Peaks, CA 2,534 8 -
Kern Valley Airport Bakersfield, CA 2,507 3 -
Millerton Sra Meadow Tank Hill Friant, CA 2,506 20 -
Jimmys One Stop Manteca, CA 2,505 27 -
Erskine Creek WC Shafter, CA 2,500 18 -
Valley Children's Hospital Madera, CA 2,500 22 -
Agate Bay Water Company Carnelian Bay, CA 2,500 94 -
Metro Air Park Water System Sacramento, CA 2,500 3 -
Schoepe Scout Reservation at Lost Valley Santa Ana, CA 2,500 41 -
O'Connor Hospital San Jose, CA 2,500 31 -
Caltrans-Hillcrest Srra Redding, CA 2,500 12 -
Caltrans-Red Bluff Rest-Sb Redding, CA 2,500 5 -
Yosemite Nps-Tuolumne Meadows Yosemite Np, CA 2,500 5 -
Bolinas Community PUD Bolinas, CA 2,483 142 Clean
Valley of Enchantment MWC Crestline, CA 2,471 9 -
Bootleg Campground Sparks, CA 2,467 18 -
Cedarpines Park MWC Cedarpines Park, CA 2,458 13 -
Western Digital Technologies, Inc. San Jose, CA 2,439 15 Clean
Awa - Camanche Village Sutter Creek, CA 2,402 13 -
Terwilliger Association Anza, CA 2,401 13 -
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