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.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| White Rock Club WS | Carmel, CA | 27 | 32 | - |
| All Saints Campground WS | Big Sur, CA | 27 | 15 | - |
| Del Dotto Winery | Napa, CA | 27 | 0 | - |
| Peju Province | Rutherford, CA | 27 | 27 | - |
| Jarvis Vineyard | Napa, CA | 27 | 19 | - |
| Puerta la Cruz Cc #14 | Warner Springs, CA | 27 | 16 | - |
| Star Motel | Tracy, CA | 27 | 15 | - |
| Tarditi Rentals Water | Lodi, CA | 27 | 21 | - |
| Bullfrog Landing Marina | Stockton, CA | 27 | 0 | - |
| Biddle Regional County Park | Arroyo Grande, CA | 27 | 0 | - |
| Los Prietos Improvement Association | Santa Barbara, CA | 27 | 5 | - |
| Coyote Valley Sporting Clays | Morgan Hill, CA | 27 | 9 | - |
| David Bruce Winery | Los Gatos, CA | 27 | 38 | - |
| Quaker Center | Ben Lomond, CA | 27 | 52 | - |
| Alexander Valley Store & Bar | Healdsburg, CA | 27 | 17 | - |
| Alexander Valley Acres Water Company | Healdsburg, CA | 27 | 21 | - |
| Pine Hill Terrace Mobile Home Park | Sebastopol, CA | 27 | 18 | - |
| Field Stone Winery | Santa Rosa, CA | 27 | 6 | - |
| Karah Estate Winery | Cotati, CA | 27 | 33 | - |
| Furthermore Wines Water System | Sebastopol, CA | 27 | 1 | - |
| McHenry Business Park | Modesto, CA | 27 | 24 | - |
| Lander Veterinary Clinic | Turlock, CA | 27 | 0 | - |
| Juanita Court Mutual Water | Red Bluff, CA | 27 | 17 | - |
| Cedar Slope Mutual Water Company | Ceader Slope, CA | 27 | 29 | - |
| Houseboat Mini Mart | Hughson, CA | 27 | 8 | - |
| Capay Open Space Park | Woodland, CA | 27 | 8 | - |
| Hay Kingdom | Winters, CA | 27 | 26 | - |
| Red Hill Saloon | Wheatland, CA | 27 | 5 | - |
| Highland Lakes #2 | Sonora, CA | 26 | 0 | - |
| Borjon Winery | Plymouth, CA | 26 | 13 | - |
| Iron Hub Winery | Plymouth, CA | 26 | 0 | - |
| River One RV Park | Anderson, CA | 26 | 0 | - |
| Terhel Farms Trailer Park 01 | San Jose, CA | 26 | 6 | - |
| Kingdom Hall of Jehovah's Witness-Wms | Colusa, CA | 26 | 2 | - |
| Terhel Farms Trailer Park 02 | San Jose, CA | 26 | 2 | - |
| Dinkey Creek Inn | Shaver Lake, CA | 26 | 58 | - |
| Immanuel Sports Complex | Reedley, CA | 26 | 1 | - |
| Caltrans, Sand Hill Rest Stop | El Centro, CA | 26 | 18 | - |
| Spring Mountain Mutual Water Company | Woody, CA | 26 | 25 | - |
| Clean Harbors Buttonwillow, LLC. | Buttonwillow, CA | 26 | 39 | - |
| Mirasol Company Water System | Buttonwillow, CA | 26 | 52 | - |
| Rancho Rio Equestrian Center | Bakersfield, CA | 26 | 18 | - |
| Mountain of Attention Water | Middletown, CA | 26 | 26 | - |
| Pyramid Lake RV Resort | Gorman, CA | 26 | 14 | - |
| Pg&e Ag Wishon Powerhouse | Fresno, CA | 26 | 2 | - |
| Shoreline School Dist: Bus Garage | Tomales, CA | 26 | 2 | - |
| Mendocino Market | Mendocino, CA | 26 | 0 | - |
| Fog Eater Cafe | Mendocino, CA | 26 | 0 | - |
| Cressey Store | Cressey, CA | 26 | 0 | - |
| Edna Beaman Elementary School | Bridgeport, CA | 26 | 32 | - |