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 |
|---|---|---|---|---|
| SUNNY ROAD WATER SYSTEM | EL MONTE, CA | 34 | 86 | — |
| J M SIMS WATER SUPPLY | SAN LUIS OBISPO, CA | 34 | 0 | — |
| UC ELKUS RANCH | HALF MOON BAY, CA | 34 | 30 | — |
| MESA HILLS MUTUAL WATER COMPANY | SOLVANG, CA | 34 | 13 | — |
| REFORESTATION TECHNOLOGIES INTERNATIONAL | GILROY, CA | 34 | 5 | — |
| SHASTA LAKE MOTEL | LAKEHEAD, CA | 34 | 10 | — |
| EXODUS FARMS | ANDERSON, CA | 34 | 0 | — |
| LARKIN WOODS MUTUAL WATER COMPANY | SEBASTOPOL, CA | 34 | 0 | — |
| SONOMA COUNTY PUB WORKS-CENTRAL LANDFILL | PETALUMA, CA | 34 | 5 | — |
| MADRONA MANOR | HEALDSBURG, CA | 34 | 2 | — |
| FLUX RIVER RESORT | LEWISTON, CA | 34 | 14 | — |
| CORRAL CREEK RESORT | COMPTON, CA | 34 | 9 | — |
| CARSON RIVER RESORT | MARKLEEVILLE, CA | 33 | 0 | — |
| MOONSTONE HEIGHTS MWA | TRINIDAD, CA | 33 | 27 | — |
| BLU-IN CAFE | VENTURA, CA | 33 | 17 | — |
| CENTER OF THE WORLD | FELICITY, CA | 33 | 20 | — |
| OPAL FRY AND SON | BAKERSFIELD, CA | 33 | 13 | — |
| RANKIN RANCH | CALIENTE, CA | 33 | 11 | — |
| HOLLIDAY ROCK PLANT #2 | UPLAND, CA | 33 | 22 | — |
| NEW LEGEND LOGISTICS | YUBA CITY, CA | 33 | 4 | — |
| RANCHO SECO INC. WATER SYSTEM | CANTIL, CA | 33 | 16 | — |
| HILLVIEW PACKING-GUSTINE | GUSTINE, CA | 33 | 0 | — |
| ROYAL OAKS MARKET WS | WATSONVILLE, CA | 33 | 0 | — |
| QUINTESSA WINERY WATER SYSTEM | SAINT HELENA, CA | 33 | 0 | — |
| ARLINGTON HEIGHTS MHP | LIVE OAK, CA | 33 | 44 | — |
| LINCOLN CHAN-HOME RANCH | COURTLAND, CA | 33 | 20 | — |
| AROMAS HILLS MUTUAL WATER ASSOCIATION | AROMAS, CA | 33 | 12 | — |
| LA HONDA CENTER | WOODSIDE, CA | 33 | 17 | — |
| GAZOS CREEK BEACH HOUSE | HALF MOON BAY, CA | 33 | 3 | — |
| VO UU BUDDHIST MEDITATION ASSOCIATION | SAN MARTIN, CA | 33 | 0 | — |
| MOUNTAIN VIEW PLAZA WATER SYSTEM | SHINGLETOWN, CA | 33 | 0 | — |
| BOISSET - DE LOACH WINERY | SANTA ROSA, CA | 33 | 28 | — |
| FORT ROSS LODGE, LLC | CA | 33 | 6 | — |
| SPEEDWAY SONOMA LLC | SONOMA, CA | 33 | 9 | — |
| APERTURE CELLARS | HEALDSBURG, CA | 33 | 0 | — |
| DESOTEC US LLC | RED BLUFF, CA | 33 | 2 | — |
| VILLAGE APARTMENTS | THREE RIVERS, CA | 33 | 26 | — |
| HOLLAND MARKET | CLARKSBURG, CA | 33 | 0 | — |
| SHAY CREEK HOA | CARMICHAEL, CA | 32 | 25 | — |
| RIVERS END MARINA | DISCOVERY BAY, CA | 32 | 31 | — |
| AWA - TIGER CREEK POWERHOUSE | SUTTER CREEK, CA | 32 | 3 | — |
| ANDIS WINES | PLYMOUTH, CA | 32 | 0 | — |
| COLONIA SANTA MARIA | BRENTWOOD, CA | 32 | 14 | — |
| SUNNYSLOPE CAMPGROUNDS | SANGER, CA | 32 | 14 | — |
| SIERRA ENDANGERED CAT HAVEN | DUNLAP, CA | 32 | 22 | — |
| HAYKINGDOM, INC. | IMPERIAL, CA | 32 | 7 | — |
| CONTROL GORGE POWER PLANT LADWP | LOS ANGELES, CA | 32 | 24 | — |
| FRONTIER TRAILS HOMEOWNERS ASSOC INC. | KERNVILLE, CA | 32 | 15 | — |
| NORD ROAD WATER ASSOCIATION | BAKERSFIELD, CA | 32 | 208 | — |
| KERN RIVER'S EDGE CAMPGROUND RETREAT | KERNVILLE, CA | 32 | 2 | — |