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 |
|---|---|---|---|---|
| Loma Vista Inn WS | Big Sur, CA | 70 | 29 | - |
| Alvarez Brothers WS | Salinas, CA | 70 | 0 | - |
| Estancia Winery WS | Soledad, CA | 70 | 23 | - |
| Honig Winery | Rutherfrord, CA | 70 | 0 | - |
| Napa River Ranch | Napa, CA | 70 | 52 | - |
| Prosser Campground | Nevada City, CA | 70 | 19 | - |
| Indian Oaks Trailer Park | Murrieta, CA | 70 | 92 | - |
| Ryde Hotel | Walnut Grove, CA | 70 | 14 | - |
| VFW Post 5551 | Apple Valley, CA | 70 | 15 | - |
| Leapin' Lizard RV Ranch | Ocotillo Wells, CA | 70 | 5 | - |
| Pinecrest | Julian, CA | 70 | 9 | - |
| Muir Industries Inc. | Tecate, CA | 70 | 15 | - |
| Turtle Beach & Water System | Monsey, CA | 70 | 23 | - |
| Wayside Motel Apartments Wtr Sys | Stockton, CA | 70 | 28 | - |
| Santa Margarita KOA | Santa Margarita, CA | 70 | 4 | - |
| H2o, Inc | Arroyo Grande, CA | 70 | 13 | - |
| Montecito Sea Meadows | Santa Barbara, CA | 70 | 14 | - |
| Sable Offshore Corp las Flores Canyon | Gaviota, CA | 70 | 2 | - |
| Riverbench Winery | Santa Maria, CA | 70 | 2 | - |
| Brush and Old Well Mutual Water Company | Los Gatos, CA | 70 | 8 | - |
| Las Colinas Road & Water Assn | Santa Maria, CA | 70 | 75 | - |
| Big Creek Lumber Company | Davenport, CA | 70 | 6 | - |
| Lakehead Subd Mutual Water Co | Lakehead, CA | 70 | 12 | - |
| Sweet Briar Camp | Castro Valley, CA | 70 | 16 | - |
| Tnf-Loganville Cg | Nevada City, CA | 70 | 4 | - |
| Callahan Water District | Callahan, CA | 70 | 46 | - |
| Wilshire Heights Mutual Water Company | Santa Rosa, CA | 70 | 18 | - |
| Easterly WWTP - Vacaville | Elmira, CA | 70 | 0 | - |
| Bridgehaven Park | Sacramento, CA | 70 | 41 | - |
| Trentadue Winery | Geyserville, CA | 70 | 27 | - |
| Gloria Ferrer Caves | Sonoma, CA | 70 | 7 | - |
| Camp Royaneh | Cazadero, CA | 70 | 7 | - |
| Sonoma County Parks-Stillwater Cove | Santa Rosa, CA | 70 | 7 | - |
| Wine Country Ind Park - Bldg C | Sonoma, CA | 70 | 6 | - |
| Sonoma Seventh Day Adventist Church | Sonoma, CA | 70 | 14 | - |
| New Hope Church of the Nazarene | Patterson, CA | 70 | 8 | - |
| Westley Csd | Crows Landing, CA | 70 | 10 | - |
| Reeds Creek Estates | Red Bluff, CA | 70 | 2 | - |
| Plum Valley Elem School (New School) | Red Bluff, CA | 70 | 3 | - |
| Hidden Harbor Marina & Rvp | Fremont, CA | 70 | 13 | - |
| New Meadows | Palos Verdes Estates, CA | 70 | 23 | - |
| Deer Meadow Mutual Water Company | Three Rivers, CA | 70 | 32 | - |
| Camp Concord | Concord, CA | 69 | 17 | - |
| Bakersfield National Cemetery WS | Arvin, CA | 69 | 1 | - |
| Hardwick Water Company | Hanford, CA | 69 | 37 | - |
| Tioga Gas Mart | Mammoth Lakes, CA | 69 | 18 | - |
| Rod McLellan Botanicals WS | Aromas, CA | 69 | 18 | - |
| San Vicente MWC | Soledad, CA | 69 | 65 | - |
| Hartnell RD WS #1 | Salinas, CA | 69 | 0 | - |
| St. Francis Retreat Center | San Juan Bautista, CA | 69 | 46 | - |