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 | — |