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 |
|---|---|---|---|---|
| PLAYA DULCE | SAN LUIS OBISPO, CA | 35 | 0 | — |
| PARSONS WATER SUPPLY | SAN LUIS OBISPO, CA | 35 | 2 | — |
| OKU INCORPORATED | PESCADERO, CA | 35 | 94 | — |
| TRES HERMANAS WINERY | SANTA MARIA, CA | 35 | 0 | — |
| CHISAN ORCHIDS NURSERY | LOS ALAMOS, CA | 35 | 5 | — |
| MARTIAN RANCH & VINEYARD | LOS ALAMOS, CA | 35 | 2 | — |
| RANCHO DE LOMAS MUTUAL WATER COMPANY | MORGAN HILL, CA | 35 | 1 | — |
| BETTER COOLING PRODUCE | SANTA MARIA, CA | 35 | 18 | — |
| VINCENT VINEYARDS | LOS OLIVOS, CA | 35 | 8 | — |
| CANYON CREEK MHP | REDDING, CA | 35 | 8 | — |
| WHITMORE UNION ELEM SCHOOL | WHITMORE, CA | 35 | 28 | — |
| CAMP MCCUMBER WATER SYSTEM | REDDING, CA | 35 | 0 | — |
| SONOMA MOUNTAIN ZEN CENTER | SANTA ROSA, CA | 35 | 27 | — |
| JIMTOWN AND THEN SUM | HEALDSBURG, CA | 35 | 11 | — |
| VINO FARMS, INC. - WASSON RANCH | HEALDSBURG, CA | 35 | 13 | — |
| PARADISE RIDGE WINERY | SANTA ROSA, CA | 35 | 5 | — |
| UNITED RENTALS | SANTA ROSA, CA | 35 | 8 | — |
| DEERFIELD RANCH WINERY LLC | GLEN ELLEN, CA | 35 | 18 | — |
| TRUETT & HURST WINERY | HEALDSBURG, CA | 35 | 4 | — |
| ODIYAN BUDDHIST RETREAT CENTER | CAZADERO, CA | 35 | 2 | — |
| PEPPERWOOD ENVIRONMENTAL CENTER | SANTA ROSA, CA | 35 | 0 | — |
| TLC CHILD & FAMILY SERVICES | SEBASTOPOL, CA | 35 | 20 | — |
| HOOK & LADDER VINEYARDS AND WINERY | SANTA ROSA, CA | 35 | 2 | — |
| HAMEL FAMILY WINES | SONOMA, CA | 35 | 0 | — |
| EIGHTH STREET EAST PARTNERS | SONOMA, CA | 35 | 2 | — |
| J. RICKARDS WINERY | CLOVERDALE, CA | 35 | 2 | — |
| SAINI WINERY | HEALDSBURG, CA | 35 | 0 | — |
| GOLDEN STATE PFT PROPERTIES LLC | TURLOCK, CA | 35 | 37 | — |
| STERLING INDUSTRIAL | MODESTO, CA | 35 | 5 | — |
| CALTRANS-COTTONWOOD TRUCK INSP. FAC. | REDDING, CA | 35 | 0 | — |
| BUCKEYE TREE LODGE | THREE RIVERS, CA | 35 | 50 | — |
| USFS-LOWER PEPPERMINT | KERNVILLE, CA | 35 | 6 | — |
| WIEBE FARMS | REEDLEY, CA | 35 | 5 | — |
| BEEDY WATER COMPANY, LLC | CAMARILLO, CA | 35 | 23 | — |
| TEICHERT CONSTRUCTION | SACRAMENTO, CA | 35 | 9 | — |
| FEATHER RIVER MANOR | PLUMAS LAKE, CA | 35 | 7 | — |
| SHOP & SAVE | LINCOLN, CA | 35 | 1 | — |
| FEATHER RIVER SCHOOL | OROVILLE, CA | 34 | 32 | — |
| TAHOE MOUNTAIN INN | SOUTH LAKE TAHOE, CA | 34 | 25 | — |
| FCSA 44C - RIVERVIEW ESTATES | FRESNO, CA | 34 | 4 | — |
| TEHACHAPI CUMMINGS COUNTY WATER DISTRICT | TEHACHAPI, CA | 34 | 2 | — |
| BILLINGSLEY DVM WATER SYSTEM | TEHACHAPI, CA | 34 | 2 | — |
| RICHMOND PARK RESORT | SAN ANSELMO, CA | 34 | 34 | — |
| CAMP CHILNUALNA WATER SYSTEM | WAWONA, CA | 34 | 2 | — |
| DASH DREAM PLANT | DOS PALOS, CA | 34 | 2 | — |
| REDWOODS RIVER RESORT & CAMPGROUND | LEGGETT, CA | 34 | 15 | — |
| SHERMAN LAKE MARINA | OAKLEY, CA | 34 | 7 | — |
| B & R FARMS | HOLLISTER, CA | 34 | 39 | — |
| BEST WESTERN CAJON PASS | REDWOOD CITY, CA | 34 | 6 | — |
| DESCANSO FIRE STATION | SAN DIEGO, CA | 34 | 42 | — |