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 |
|---|---|---|---|---|
| FOOTHILL WA | SALINAS, CA | 46 | 14 | — |
| PLACER CWA - MONTE VISTA | AUBURN, CA | 46 | 4 | — |
| DE BENNEVILLE PINES | REDLANDS, CA | 46 | 0 | — |
| QUESTHAVEN MUNICIPAL WATER DISTRICT | SAN MARCOS, CA | 46 | 9 | — |
| SOUTH COUNTY RETIREMENT HOME | SAN MARTIN, CA | 46 | 5 | — |
| LOS ALTOS ROD AND GUN CLUB | SARATOGA, CA | 46 | 0 | — |
| COLEMAN NATIONAL FISH HATCHERY | ANDERSON, CA | 46 | 13 | — |
| LANCASTER ESTATE WINERY | HEALDSBURG, CA | 46 | 0 | — |
| PIERPOINT SPRINGS WATER CO. | SPRINGVILLE, CA | 46 | 17 | — |
| DEL ORO EAST PLANO DISTRICT | CHICO, CA | 46 | 31 | — |
| GIUMARRA BROS FRUIT CO | REEDLEY, CA | 46 | 18 | — |
| DAVIS JUSD - FAIRFIELD SCHOOL | DAVIS, CA | 46 | 42 | — |
| EBRPD - PIEDMONT STABLES | OAKLAND, CA | 45 | 0 | — |
| GOLDEN VALLEY CAMP | VOLCANO, CA | 45 | 15 | — |
| HOLLAND RIVERSIDE MARINA | BRENTWOOD, CA | 45 | 20 | — |
| BETHEL HARBOR | BETHEL ISLAND, CA | 45 | 0 | — |
| CASA MEDANOS WATER SYSTEM | WALNUT CREEK, CA | 45 | 10 | — |
| BSA/CAMP OLJATO | FOSTER CITY, CA | 45 | 26 | — |
| FCSA 23 - EXCHEQUER HEIGHTS | FRESNO, CA | 45 | 4 | — |
| PG&E TRAPPER SPRINGS CAMPGRND | REDDING, CA | 45 | 4 | — |
| KINGS RIVER PACKING-CENTERVILLE | SANGER, CA | 45 | 2 | — |
| WHITETHORN CONSTRUCTION | WHITETHORN, CA | 45 | 18 | — |
| ALLIED WASTE OF IMPERIAL VALLEY | IMPERIAL, CA | 45 | 18 | — |
| EARTHRISE NUTRITIONALS, LLC | CALIPATRIA, CA | 45 | 12 | — |
| OWENS PEAK SOUTH | RIDGECREST, CA | 45 | 6 | — |
| PANAMA ROAD PROPERTY OWNERS ASSOC | BAKERSFIELD, CA | 45 | 19 | — |
| SOUTH KERN INDUSTRIAL CENTER | TAFT, CA | 45 | 2 | — |
| TN TRUSS | GRANADA HILLS, CA | 45 | 10 | — |
| PLANT WATER WELL - ROCKVIEW DAIRY | DOWNEY, CA | 45 | 0 | — |
| LEISURE ACRES MUTUAL WATER COMPANY | NORTH FORK, CA | 45 | 72 | — |
| MD 85 VALETA | MADERA, CA | 45 | 21 | — |
| HARVEST AT MENDOSAS | FORT BRAGG, CA | 45 | 2 | — |
| STEVINSON RANCH MAINT. SHOP/THE GROVE | STEVINSON, CA | 45 | 5 | — |
| GARCIA FARMS PRODUCE | LIVINGSTON, CA | 45 | 0 | — |
| CROWLEY LAKE CAMPLAND | MAMMOTH LAKES, CA | 45 | 52 | — |
| CHALFANT VALLEY WEST M.W.C. | BISHOP, CA | 45 | 2 | — |
| SAN MIGUEL WS #03 | ROYAL OAKS, CA | 45 | 14 | — |
| ECHO VALLEY RD WS #05 | SALINAS, CA | 45 | 32 | — |
| SUNNY ACRES MWS | CHUALAR, CA | 45 | 20 | — |
| SPRECKELS LN WS #03 | SALINAS, CA | 45 | 60 | — |
| MOUNT TORO RANCHOS MWA | SALINAS, CA | 45 | 24 | — |
| KENDALL-JACKSON WINERY WS | SANTA MARIA, CA | 45 | 29 | — |
| GROTH VINEYARDS & WINERY | OAKVILLE, CA | 45 | 2 | — |
| BLACK STALLION WINERY | NAPA, CA | 45 | 6 | — |
| V. SATTUI WINERY | CALISTOGA, CA | 45 | 62 | — |
| ELWELL LODGE | COLFAX, CA | 45 | 5 | — |
| BUCKS LAKE MARINA | QUINCY, CA | 45 | 7 | — |
| GENESIS SOLAR LLC | BLYTHE, CA | 45 | 2 | — |
| ZEN MOUNTAIN CENTER | MOUNTAIN CENTER, CA | 45 | 13 | — |
| ELSINORE HILLS RV PARK | LAKE ELSINORE, CA | 45 | 15 | — |