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 |
|---|---|---|---|---|
| PACIFIC COAST ENERGY COMPANY | ORCUTT, CA | 50 | 0 | — |
| PETROS WINERY | LOS OLIVOS, CA | 50 | 1 | — |
| THE RAINBOW JUNCTION WATER SYSTEM | LIVERMORE, CA | 50 | 14 | — |
| HKN LLC | SAN JOSE, CA | 50 | 6 | — |
| HENRY W COE STATE PARK - DOWDY RANCH | SAN JUAN BAUTISTA, CA | 50 | 0 | — |
| RIDGEVIEW ESTATES MWC | BOULDER CREEK, CA | 50 | 14 | — |
| SUNNY ACRES MWC | SANTA CRUZ, CA | 50 | 0 | — |
| KITAYAMA BROTHERS | WATSONVILLE, CA | 50 | 3 | — |
| BURNEY FALLS RESORT | BURNEY, CA | 50 | 15 | — |
| MIDWAY MOBILEHOME PARK | OJAI, CA | 50 | 7 | — |
| MCGEE'S CORNER SALOON | ANDERSON, CA | 50 | 7 | — |
| JUAN MEAN BURRITO WATER SYSTEM | REDDING, CA | 50 | 8 | — |
| NEW AGE CHURCH OF BEING-SIERRA HOT SPR. | SIERRAVILLE, CA | 50 | 11 | — |
| DELPHIC ELEMENTARY SCHOOL | MONTAGUE, CA | 50 | 26 | — |
| DOLLAR GENERAL STORE - WEED | GRASS VALLEY, CA | 50 | 0 | — |
| WESTERN RAILWAY MUSEUM | SUISUN CITY, CA | 50 | 4 | — |
| TWIN HILLS VINEYARD | SEBASTOPOL, CA | 50 | 6 | — |
| ATHENA TERRACE MUTUAL WATER COMPANY | SANTA ROSA, CA | 50 | 22 | — |
| SONOMA WEST HOLDINGS NORTH PLANT | SEBASTOPOL, CA | 50 | 2 | — |
| KENWOOD VINEYARDS AND WINERY | SONOMA, CA | 50 | 5 | — |
| FREMONT DINER | SONOMA, CA | 50 | 31 | — |
| BARTHOLOMEW FOUNDATION | SONOMA, CA | 50 | 2 | — |
| MICHEL-SCHLUMBERGER FINE WINE ESTATE | HEALDSBURG, CA | 50 | 14 | — |
| GRAY WATER SYSTEM | SANTA ROSA, CA | 50 | 4 | — |
| DRY CREEK VINEYARD | HEALDSBURG, CA | 50 | 4 | — |
| GRAVENSTEIN BUSINESS PARK | SAN ANSELMO, CA | 50 | 5 | — |
| WILLOWBROOK ALE HOUSE | PETALUMA, CA | 50 | 12 | — |
| SCHELLVILLE GRILL | SONOMA, CA | 50 | 51 | — |
| ADOBE CHRISTIAN CHURCH | PETALUMA, CA | 50 | 14 | — |
| BLUE HERON RESTAURANT | DUNCANS MILLS, CA | 50 | 25 | — |
| GRATON MUTUAL WATER SYSTEM | ROHNERT PARK, CA | 50 | 14 | — |
| CARNEROS WAREHOUSING | SONOMA, CA | 50 | 21 | — |
| WILDWOOD RETREAT | GUERNEVILLE, CA | 50 | 11 | — |
| S & W WAREHOUSING, LLC | SONOMA, CA | 50 | 2 | — |
| KELLER ESTATE WINERY | PETALUMA, CA | 50 | 2 | — |
| SODA ROCK WINERY | GEYSERVILLE, CA | 50 | 2 | — |
| PORT SONOMA MARINA | PETALUMA, CA | 50 | 0 | — |
| SEBASTOPOL VINEYARDS | SEBASTOPOL, CA | 50 | 11 | — |
| MERRIAM WINERY | BOXFORD, CA | 50 | 1 | — |
| SONOMA COUNTY PARKS-RIVERFRONT PARK | SANTA ROSA, CA | 50 | 0 | — |
| LAURA CHENEL'S CHEVRE INC. | SONOMA, CA | 50 | 6 | — |
| FORT ROSS VINEYARDS | PIEDMONT, CA | 50 | 0 | — |
| CAPITAL LUMBER COMPANY | HEALDSBURG, CA | 50 | 4 | — |
| CAST ESTATE VINEYARDS & CELLARS | GEYSERVILLE, CA | 50 | 0 | — |
| CHAOS VINEYARDS, LLC. | HEALDSBURG, CA | 50 | 0 | — |
| COBLES CORNER | HUGHSON, CA | 50 | 90 | — |
| BRETHREN HERITAGE SCHOOL, INC | MODESTO, CA | 50 | 24 | — |
| ONE STOP WS | SAN JOSE, CA | 50 | 25 | — |
| RBVON | WESTLEY, CA | 50 | 45 | — |
| TIERRA BUENA MHP #1 | ZAMORA, CA | 50 | 28 | — |