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 |
|---|---|---|---|---|
| CACHAGUA MUTUAL WS (#4) | CARMEL VALLEY, CA | 55 | 55 | — |
| MARINA LANDFILL WS | MARINA, CA | 55 | 46 | — |
| LAIRD FAMILY ESTATE | NAPA, CA | 55 | 57 | — |
| FREEMARK ABBEY WINERY | SANTA ROSA, CA | 55 | 20 | — |
| KORTHS PIRATES LAIR | ISLETON, CA | 55 | 36 | — |
| VALENZUELA WATER SYSTEM | HOLLISTER, CA | 55 | 117 | — |
| CAMP WATERMAN MWC | WILLIAMS, CA | 55 | 4 | — |
| TOWN & COUNTRY INN | STOCKTON, CA | 55 | 8 | — |
| FINNLEES TRAILER PARK | WOODLAND, CA | 55 | 12 | — |
| MOKELUMNE MOBILE SENIOR PARK | GALT, CA | 55 | 26 | — |
| RIVERSIDE MOBILE HOME PARK | WALNUT GROVE, CA | 55 | 25 | — |
| RIM ROCK WATER COMPANY | GROVER BEACH, CA | 55 | 69 | — |
| LINGATE LANE MUTUAL WATER COMPANY | SANTA BARBARA, CA | 55 | 12 | — |
| QUAIL CREEK ESTATES MUTUAL WATER COMPANY | GILROY, CA | 55 | 0 | — |
| KIM SON MONASTERY | MORGAN HILL, CA | 55 | 33 | — |
| ELEVATE ADDICTION SERVICES | WATSONVILLE, CA | 55 | 6 | — |
| SHASTA HORIZON MOBILE HOME PARK | SACRAMENTO, CA | 55 | 9 | — |
| NEIL'S SERVICE CENTER II | VACAVILLE, CA | 55 | 2 | — |
| SAINT ANNE'S CROSSING WINERY | KENWOOD, CA | 55 | 6 | — |
| PRESTON WINERY | HEALDSBURG, CA | 55 | 8 | — |
| RATNA LING RETREAT | CAZADERO, CA | 55 | 4 | — |
| COMSTOCK WINERY | HEALDSBURG, CA | 55 | 0 | — |
| DONUM ESTATE WATER SYSTEM | SONOMA, CA | 55 | 0 | — |
| CHALK HILL WINERY | HEALDSBURG, CA | 55 | 0 | — |
| COUNTRY WESTERN MHRV | MODESTO, CA | 55 | 67 | — |
| E. SILVER LAKE HOMEOWNERS | GENOA, CA | 54 | 17 | — |
| BETHEL MISSIONARY BAPTIST | OAKLEY, CA | 54 | 19 | — |
| TAMARACK PARK HOMEOWNERS ASSOC | SACRAMENTO, CA | 54 | 4 | — |
| LLANAS CAMP FOUR WATER SYSTEM | SHAFTER, CA | 54 | 18 | — |
| BRASSFIELD ESTATE WINERY | CLEARLAKE OAKS, CA | 54 | 2 | — |
| DIAMOND MOUNTAIN GOLF CLUB | SUSANVILLE, CA | 54 | 14 | — |
| USFS-BIG PINES V-2 | ARCADIA, CA | 54 | 8 | — |
| WESTSIDE GROCERY, INC. | LIVINGSTON, CA | 54 | 2 | — |
| SEA ROCK INN | MENDOCINO, CA | 54 | 24 | — |
| CORDA RD WS | SALINAS, CA | 54 | 43 | — |
| TIERRA VISTA MWC | SALINAS, CA | 54 | 120 | — |
| VALIVU ESTATES MHP | GREENVILLE, CA | 54 | 3 | — |
| HARMONY HAVEN | RIVERSIDE, CA | 54 | 33 | — |
| SEQUOIA WATER ASSOC | COURTLAND, CA | 54 | 4 | — |
| BANTA INN WATER SYSTEM | TRACY, CA | 54 | 10 | — |
| CARPENTER WINERY | PASO ROBLES, CA | 54 | 0 | — |
| ALEGRIA DOMESTIC MUTUAL WATER COMPANY | GAVIOTA, CA | 54 | 3 | — |
| WALKING M RANCHES | SOLVANG, CA | 54 | 8 | — |
| RIVER GROVE MUTUAL WATER ASSN | FELTON, CA | 54 | 53 | — |
| ALLAN LANE WATER ASSOCIATION | CORRALITOS, CA | 54 | 26 | — |
| ROOSTER'S LANDING | ANDERSON, CA | 54 | 2 | — |
| E STRING CELLARS | HEALDSBURG, CA | 54 | 6 | — |
| CAMP LIAHONA | CLOVIS, CA | 53 | 1 | — |
| FCPG/CHOINUMNI CAMPGROUND | FRESNO, CA | 53 | 44 | — |
| OCEAN GROVE LODGE | TRINIDAD, CA | 53 | 52 | — |