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 |
| LAKESIDE MOBILE ESTATES | RAILROAD FLAT, CA | 30 | 10 | — |
| BRENTWOOD MARINA | KNIGHTSEN, CA | 30 | 0 | — |
| SUNSET MARINA | BETHEL ISLAND, CA | 30 | 0 | — |
| ALL STAR ACADEMY OF DANVILLE | PLEASANTON, CA | 30 | 4 | — |
| CRIVELLI'S WATER SYSTEM | KLAMATH, CA | 30 | 4 | — |
| DRU BARNER CAMPGROUND | GEORGETOWN, CA | 30 | 0 | — |
| USFS/PINEHURST WORK CENTER | PORTERVILLE, CA | 30 | 9 | — |
| HUNTINGTON LAKE RESORT | ALAMO, CA | 30 | 49 | — |
| VERMILION VALLEY RESORT | LAKESHORE, CA | 30 | 15 | — |
| OAK VIEW TERRACE | CLOVIS, CA | 30 | 55 | — |
| CHOOLJIAN BROS PACKING CO | SANGER, CA | 30 | 15 | — |
| WONDERFUL PISTACHIOS & ALMONDS-EL DORADO | LOST HILLS, CA | 30 | 4 | — |
| CLINGANS JUNCTION CABINS AND COFFEE | SQUAW VALLEY, CA | 30 | 6 | — |
| TOLLHOUSE MARKET & GRILL | TOLLHOUSE, CA | 30 | 0 | — |
| PG&E HELMS HQ/POWERHOUSE | AUBERRY, CA | 30 | 6 | — |
| CITY OF ORLAND, HAIGH FIELD PARK | ORLAND, CA | 30 | 4 | — |
| HEARTWOOD INSTITUTE | GARBERVILLE, CA | 30 | 19 | — |
| RED HILL MARINA | EL CENTRO, CA | 30 | 29 | — |
| UC DESERT RESEARCH AND EXTENSION CENTER | HOLTVILLE, CA | 30 | 118 | — |
| WIEST LAKE | EL CENTRO, CA | 30 | 32 | — |
| IID NORTH END CONSOLIDATION | IMPERIAL, CA | 30 | 19 | — |
| SIDEWINDER CHEVRON | WINTERHAVEN, CA | 30 | 10 | — |
| BORNT 1992 IRREVOCABLE TRUST | HOLTVILLE, CA | 30 | 14 | — |
| DUNER'S DINER | WINTERHAVEN, CA | 30 | 9 | — |
| BIRD INDUSTRIAL COMPLEX | BISHOP, CA | 30 | 20 | — |
| SABRINA CAMPGROUND | BISHOP, CA | 30 | 2 | — |
| USFS - HAVILAH WORK CENTER | PORTERVILLE, CA | 30 | 17 | — |
| USFS - FULTON WORK CENTER | PORTERVILLE, CA | 30 | 23 | — |
| MURRAY FAMILY FARMS AT COPUS ROAD | BAKERSFIELD, CA | 30 | 2 | — |
| TEHACHAPI VALLEY UNITED METHODIST CHURCH | TEHACHAPI, CA | 30 | 9 | — |
| KINGS REST MOTEL | LEMOORE, CA | 30 | 2 | — |
| GOLDEN STATE WATER COMPANY - SOUTH SHORE | RANCHO CORDOVA, CA | 30 | 78 | — |
| WAYSIDE INN MARKET | SACRAMENTO, CA | 30 | 4 | — |
| DOYLE PAYLESS SHELL | DOYLE, CA | 30 | 0 | — |
| VASQUEZ ROCKS COUNTY PARK | BALDWIN PARK, CA | 30 | 0 | — |
| TEXAS CANYON RANGER STATION | ARCADIA, CA | 30 | 13 | — |
| USFS-PYRAMID LAKE S-14 | PEARBLOSSOM, CA | 30 | 30 | — |
| SPECIALTY CROP CO | MADERA, CA | 30 | 12 | — |
| BATTERSON WORK CENTER (WATER) | CLOVIS, CA | 30 | 16 | — |
| COARSEGOLD INN | COARSEGOLD, CA | 30 | 50 | — |
| MAMMOTH POOL MOBILE HOME PARK | PALM SPRINGS, CA | 30 | 220 | — |
| HITCHING POST SALOON | OAKHURST, CA | 30 | 19 | — |
| RIPPERDAN DEHYDRATOR | KINGSBURG, CA | 30 | 9 | — |
| SAVAGES TRADING POST | WATSONVILLE, CA | 30 | 10 | — |
| JUG HANDLE CREEK FARM | CASPAR, CA | 30 | 0 | — |
| COVELO MOBILE HOME PARK | UKIAH, CA | 30 | 20 | — |
| CSP-RUSSIAN GULCH STATE PARK | DUNCANS MILLS, CA | 30 | 29 | — |
| SAN JOAQUIN VALLEY NATIONAL CEMETERY | SANTA NELLA, CA | 30 | 64 | — |
| MERCED ANIMAL MEDICAL CENTER | MERCED, CA | 30 | 0 | — |
| SNELLING CHEVRON | SNELLING, CA | 30 | 2 | — |