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 |
|---|---|---|---|---|
| Riverview Farms WS | Salinas, CA | 40 | 0 | - |
| Calera Canyon Heights HOA | Salinas, CA | 40 | 77 | - |
| Harrison RD WS #01 | Salinas, CA | 40 | 105 | - |
| Berry Dr WS #02 | Salinas, CA | 40 | 13 | - |
| Alba WS | Salinas, CA | 40 | 45 | - |
| Emerald Valley-Zabala WS | Salinas, CA | 40 | 1 | - |
| Gamble Family Vineyards Winery | Oakville, CA | 40 | 0 | - |
| Hudson Vineyards Winery Water System | Napa, CA | 40 | 2 | - |
| St. Supery Winery | Rutherford, CA | 40 | 30 | - |
| Stags Leap Wine Cellars | Napa, CA | 40 | 8 | - |
| Veterinary Development Company | Loomis, CA | 40 | 32 | - |
| Pnf Long Point Cg | Quincy, CA | 40 | 30 | - |
| Pnf Cottonwood Cg / Frenchman Admin | Quincy, CA | 40 | 36 | - |
| Pnf North Fork / Queen Lily Cgs | Quincy, CA | 40 | 17 | - |
| Pnf Frenchman & Spring Creek Cgs | Quincy, CA | 40 | 28 | - |
| Pnf Chilcoot Cg | Quincy, CA | 40 | 13 | - |
| Prattville Water Assn | Canyon Dam, CA | 40 | 3 | - |
| Pancake Bay Mutual Water Co | Yuba City, CA | 40 | 13 | - |
| Pnf Lakes Basin Cg | Quincy, CA | 40 | 0 | - |
| Skyland Ranch Camp | Redlands, CA | 40 | 22 | - |
| Cinco Poses Camp - Usfs | San Bernardino, CA | 40 | 19 | - |
| Marion Mtn/ Fern Basin - Usfs | San Bernardino, CA | 40 | 40 | - |
| Stonewood Canyon Estates | Idyllwild, CA | 40 | 23 | - |
| Alhatti Christian Mountain Res | Idyllwilds, CA | 40 | 16 | - |
| Granite Construction Company | Indio, CA | 40 | 74 | - |
| Countryside Drive-IN | Sacramento, CA | 40 | 7 | - |
| Building Trades Assoc | Sacramento, CA | 40 | 6 | - |
| Edgewater Mobile Home Park | Granite Bay, CA | 40 | 167 | - |
| Silverado Water System | Sacramento, CA | 40 | 2 | - |
| Newberry Springs Senior Center | Newberry Springs, CA | 40 | 6 | - |
| Spencer Valley School District | Santa Ysabel, CA | 40 | 23 | - |
| Pine Hill Egg Ranch | Ramona, CA | 40 | 24 | - |
| Wine Country Apartments | Stockton, CA | 40 | 18 | Clean |
| St Francis Motel | Stockton, CA | 40 | 15 | - |
| La Torres Park | Tracy, CA | 40 | 14 | - |
| Knapheide Truck Equipment Company | Stockton, CA | 40 | 13 | - |
| Dynatect Ro-Lab, Inc. | Tracy, CA | 40 | 15 | - |
| Linden Usd-Chartville School | Ripon, CA | 40 | 14 | - |
| Dlj Properties, LLC | Reno, CA | 40 | 6 | - |
| Speedling, Inc | Nipomo, CA | 40 | 10 | - |
| Almira Water Association | Paso Robles, CA | 40 | 37 | - |
| Elks Lodge #322 | San Luis Obispo, CA | 40 | 10 | - |
| Carrisa Plains Elementary | Atascadero, CA | 40 | 17 | - |
| Slo Partners | Pismo Beach, CA | 40 | 17 | - |
| Jada Vineyard and Winery | Paso Robles, CA | 40 | 0 | - |
| Chamisal Vineyards | San Luis Obispo, CA | 40 | 0 | - |
| Los Prietos Boy's Camp | Santa Barbara, CA | 40 | 19 | - |
| Sable Offshore Corp Popco | Gaviota, CA | 40 | 4 | - |
| Ray Water Company | Santa Maria, CA | 40 | 47 | - |
| El Rancho Tajiguas | Goleta, CA | 40 | 3 | - |