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 |
|---|---|---|---|---|
| LIFEBRIDGE COMMUNITY CHURCH | MADERA, CA | 150 | 1 | — |
| YOSEMITE NPS-SUNRISE HI | YOSEMITE NP, CA | 150 | 2 | — |
| YOSEMITE NPS-WAWONA | YOSEMITE NP, CA | 150 | 17 | — |
| MENDOCINO COAST BOTANICAL GARDENS | FORT BRAGG, CA | 150 | 0 | — |
| BUHACH PENTECOST HALL | MERCED, CA | 150 | 1 | — |
| MERCED GOLF & COUNTRY CLUB | MERCED, CA | 150 | 10 | — |
| DWR - SAN LUIS DIVISION O&M | GUSTINE, CA | 150 | 54 | — |
| BIRCHIM COMMUNITY SERVICE DISTRICT | TOMS PLACE, CA | 150 | 52 | — |
| TASSAJARA SPRINGS WS | CARMEL VALLEY, CA | 150 | 80 | — |
| CALIFORNIA ORCHARD WS | KING CITY, CA | 150 | 28 | — |
| ROMBAUER VINEYARDS | ST. HELENA, CA | 150 | 14 | — |
| SKYLINE PARK | NAPA, CA | 150 | 16 | — |
| 5 MILE HOUSE | NEVADA CITY, CA | 150 | 2 | — |
| BIGLEYS MARKET / BRASS RAIL | PENN VALLEY, CA | 150 | 2 | — |
| CAMP RUCKER LAKE | GARDEN GROVE, CA | 150 | 23 | — |
| PETERSONS CORNER WATER SYSTEM | MORAGA, CA | 150 | 9 | — |
| HARMONY RIDGE MARKET | NEVADA CITY, CA | 150 | 0 | — |
| BAKER RANCH WATER CORP | FORESTHILL, CA | 150 | 18 | — |
| KINGDOM HALL OF JEHOVAH'S WITNESSES, BER | GRANITE BAY, CA | 150 | 2 | — |
| PG&E PONDEROSA FLAT CG | CHICO, CA | 150 | 0 | — |
| PG&E HASKINS VALLEY CG | CHICO, CA | 150 | 0 | — |
| COPPERCREEK CAMPGROUND | GREENVILLE, CA | 150 | 0 | — |
| CLIO RIVERS EDGE RV PARK | CLIO, CA | 150 | 3 | — |
| WALKER RANCH CSD | QUINCY, CA | 150 | 2 | — |
| TWO RIVERS SPORT CAMP | GRAEAGLE, CA | 150 | 12 | — |
| RECHE CANYON MUTUAL WATER CO. | COLTON, CA | 150 | 27 | — |
| TEQUILA MARKET | THERMAL, CA | 150 | 25 | — |
| MT SAN JACINTO ST PARK (STONE CREEK) | PERRIS, CA | 150 | 10 | — |
| WILLOW BERM MARINA | ISLETON, CA | 150 | 27 | — |
| JACKSON SHELL (SWS) | PLEASANTON, CA | 150 | 4 | — |
| HOLLISTER RANCH ESTATES | HOLLISTER, CA | 150 | 42 | — |
| DESERT DAWN MWC | LUCERNE VALLEY, CA | 150 | 12 | — |
| CALICO LAKE HOMEOWNERS | HESPERIA, CA | 150 | 8 | — |
| BEAR VALLEY MHP | APPLE VALLEY, CA | 150 | 5 | — |
| CALPORTLAND ORO GRANDE PLANT | ORO GRANDE, CA | 150 | 6 | — |
| CAMP MORNING STAR | ANGELUS OAKS, CA | 150 | 2 | — |
| BARSTOW ARMY HELIPORT | FORT IRWIN, CA | 150 | 6 | — |
| SUNRISE ESTATES MUTUAL WATER COMPANY | JAMUL, CA | 150 | 16 | — |
| MOBILAND CAMPER PARK | POWAY, CA | 150 | 16 | — |
| JESS MARTIN COUNTY PARK | SAN DIEGO, CA | 150 | 6 | — |
| ISLANDER MARINA | SACRAMENTO, CA | 150 | 23 | — |
| SHADY REST TRAILER COURT | DANVILLE, CA | 150 | 46 | — |
| COLLEGEVILLE MARKET & CAFE | STOCKTON, CA | 150 | 2 | — |
| ST JOSEPHS HOSPITAL | STOCKTON, CA | 150 | 7 | — |
| PACIFIC BELL UE17L WATER SYSTEM | DALLAS, CA | 150 | 18 | — |
| CBUSO DBA WOODBRIDGE WINERY | ACAMPO, CA | 150 | 19 | — |
| VACHELL WATER SYSTEM | SAN LUIS OBISPO, CA | 150 | 10 | — |
| BUTANO CANYON MUTUAL | PESCADERO, CA | 150 | 49 | — |
| FOSTER ROAD MUTUAL WATER COMPANY | SANTA MARIA, CA | 150 | 110 | — |
| MEADOWLARK RANCHES MUTUAL WATER COMPANY | SANTA YNEZ, CA | 150 | 9 | — |