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 |
|---|---|---|---|---|
| MOANING CAVERN | VALLECITO, CA | 215 | 8 | — |
| EL RANCHO MOBILE HOME PARK | TUSTIN, CA | 215 | 1 | — |
| HOLMAN RANCH WS | CARMEL VALLEY, CA | 215 | 0 | — |
| SKIPPERS COVE | SMARTVILLE, CA | 215 | 26 | — |
| CASPERS REGIONAL WILDERNESS PARK | ORANGE, CA | 215 | 6 | — |
| GRIZZLY LAKE CSD-CROCKER/WELCH | PORTOLA, CA | 215 | 55 | — |
| BARSTOW CALICO KOA | YERMO, CA | 215 | 10 | — |
| ALPINE VIEW CAMPGROUND | REDDING, CA | 215 | 0 | — |
| DEL NORTE MUTUAL WATER CO. | VENTURA, CA | 215 | 32 | — |
| PARADISE LAKE MUTUAL WATER CO. | SALINAS, CA | 213 | 26 | — |
| RIDGE MUTUAL WATER COMPANY | LOS GATOS, CA | 213 | 11 | — |
| GIZDICH HOME RANCH | WATSONVILLE, CA | 213 | 6 | — |
| ELK CREEK COMMUNITY S.D. | ELK CREEK, CA | 212 | 24 | — |
| CAMP ST NICHOLAS WATER SYSTEM | LOS ANGELES, CA | 212 | 9 | — |
| MANDALA WATER SYSTEM | SAN RAFAEL, CA | 212 | 18 | — |
| WALKER CREEK RANCH EDUCATIONAL CENTER | PETALUMA, CA | 212 | 21 | — |
| OLIVET UNIVERSITY | ANZA, CA | 212 | 14 | — |
| HARI'S MARKET | PORTERVILLE, CA | 212 | 5 | — |
| CANYON CREEK RESORT | WINTERS, CA | 212 | 6 | — |
| SPV WATER COMPANY | VALENCIA, CA | 211 | 0 | — |
| ALVIEW SCHOOL | CHOWCHILLA, CA | 211 | 25 | — |
| OAK TRAIL ESTATES | SANTA YNEZ, CA | 211 | 5 | — |
| SHASTA CAVERNS | LAKEHEAD, CA | 211 | 4 | — |
| CAMINO MOBILEHOME | OAKLEY, CA | 210 | 16 | — |
| ALVINA SCHOOL | CARUTHERS, CA | 210 | 9 | — |
| WESTGATE PETROLEUM | LAKEPORT, CA | 210 | 4 | — |
| SAINT ANDREWS ABBEY | VALYERMO, CA | 210 | 29 | — |
| MORO RD WS #09 | SALINAS, CA | 210 | 298 | — |
| CHERRY VALLEY WATER COMPANY | CHERRY VALLEY, CA | 210 | 86 | — |
| RANCHO CARRILLO MWC | RANCHO MISSION VIEJO, CA | 210 | 79 | — |
| RIVER'S EDGE MARINA & RESORT | ISLETON, CA | 210 | 36 | — |
| WILTON BIBLE CHURCH | WILTON, CA | 210 | 6 | — |
| IRONWOOD CAMP | NEWBERRY SPRINGS, CA | 210 | 138 | — |
| NEW JERUSALEM SCHOOL | TRACY, CA | 210 | 8 | — |
| METCALF MOTORCYCLE COUNTY PARK | SAN JOSE, CA | 210 | 4 | — |
| CALERO COUNTY PARK | SAN JOSE, CA | 210 | 0 | — |
| MOBILE HOME ESTATES | SANTA ROSA, CA | 210 | 83 | — |
| NPS-POTWISHA | THREE RIVERS, CA | 210 | 0 | — |
| MOTHER LODE MOBILE ESTATES | SONORA, CA | 210 | 21 | — |
| ATLAS BUSINESS PARK | SONORA, CA | 210 | 29 | — |
| BIG SUR CAMPGROUND WS | BIG SUR, CA | 209 | 17 | — |
| WOLF LAKES PARK | SANGER, CA | 208 | 50 | — |
| UNION PACIFIC RAILROAD CO.-KEENE WATER | DENVER, CA | 208 | 45 | — |
| SARATOGA SPRINGS RETREAT CENTER | UPPER LAKE, CA | 208 | 8 | — |
| CAPELL VALLEY ESTATES | STOCKTON, CA | 208 | 58 | — |
| TUCALOTA SPRINGS R.V. PARK | HEMET, CA | 208 | 16 | — |
| CAMP LOMA MAR | OAKLAND, CA | 208 | 69 | — |
| USFS HIRZ BAY/DEKKAS/MOORE CR | REDDING, CA | 208 | 2 | — |
| RAINS CREEK WATER DISTRICT | CLOVERDALE, CA | 208 | 7 | — |
| JAMES COURT WATER SYSTEM | SANTA ROSA, CA | 208 | 1 | — |