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 |
|---|---|---|---|---|
| CHIMNEY ROCK WINERY | NAPA, CA | 122 | 6 | — |
| CAL AM - SECURITY PARK | SACRAMENTO, CA | 122 | 0 | — |
| HOLLISTER SDA CHRISTIAN SCHOOL | HOLLISTER, CA | 122 | 1 | — |
| BOISSET - BUENA VISTA WINERY | SONOMA, CA | 122 | 4 | — |
| NEVADA ID - SMARTSVILLE | GRASS VALLEY, CA | 122 | 4 | — |
| CAMP ELK | WRIGHTWOOD, CA | 121 | 8 | — |
| RIVER OASIS | BLYTHE, CA | 121 | 75 | — |
| SIERRA MOON MUTUAL WATER COMPANY | CHICO, CA | 120 | 42 | — |
| SHERMAN ACRES MUTUAL WATER ASN | BEAR VALLEY, CA | 120 | 16 | — |
| AMERICAN LEGION POST #376 | GLENCOE, CA | 120 | 52 | — |
| GAS N SAVE | OAKLEY, CA | 120 | 44 | — |
| CONCORD MT DIABLO TRAILRIDE ASSOC. | CLAYTON, CA | 120 | 29 | — |
| MARGARET KEATING MAIN. & OPER. | CRESCENT CITY, CA | 120 | 15 | — |
| NEW AUBERRY WATER ASSOCIATION | AUBERRY, CA | 120 | 17 | — |
| LAS PALMAS MOBILE HOME PARK | EUREKA, CA | 120 | 19 | — |
| MILLERS HILL SCHOOL | SHINGLE SPRINGS, CA | 120 | 29 | — |
| ECHO LAKE CAMP | BERKELEY, CA | 120 | 40 | — |
| KINGS CANYON MOBILE HOME PARK | RANCHO SANTE FE, CA | 120 | 105 | — |
| LOWER DEER CREEK TRACT | SANTA ANA, CA | 120 | 33 | — |
| CHURCH OF THE REDEEMER | SELMA, CA | 120 | 15 | — |
| NATIONAL CEMENT CO.-LEBEC PLANT | ENCINO, CA | 120 | 43 | — |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | WELDON, CA | 120 | 152 | — |
| SUGAR PINE HOMEOWNERS ASSOC | OAKHURST, CA | 120 | 48 | — |
| CEDAR SPRING RETREAT CENTER | NORTH FORK, CA | 120 | 109 | — |
| CSP - MARCONI CONFERENCE CENTER | MARSHALL, CA | 120 | 0 | — |
| LUNA TRATTORIA | MENDOCINO, CA | 120 | 1 | — |
| LONGVIEW MENNONITE SCHOOL | LIVINGSTON, CA | 120 | 48 | — |
| JOHN B. SANFILIPPO & SON, INC. | GUSTINE, CA | 120 | 3 | — |
| CDF-PARLIN FORK CONSERVATION CAMP | FORT BRAGG, CA | 120 | 25 | — |
| CAL FIRE-DEVIL'S GARDEN CAMP | ALTURAS, CA | 120 | 10 | — |
| PINE GROVE CAMPGROUND | BISHOP, CA | 120 | 15 | — |
| DOLAN RD MWC | MOSS LANDING, CA | 120 | 47 | — |
| PESANTE RD WS #02 | SALINAS, CA | 120 | 27 | — |
| BLUFFS WS | SALINAS, CA | 120 | 9 | — |
| TWIN RIDGES OAK TREE SCHOOL | NEVADA CITY, CA | 120 | 33 | — |
| CALTRANS-CHESTER SAFETY REST STOP | REDDING, CA | 120 | 6 | — |
| PNF KENZIE RAVINE 1 & 2 | QUINCY, CA | 120 | 11 | — |
| LAKE COVE RESORT | YUBA CITY, CA | 120 | 4 | — |
| CHERRY VALLEY RANCH LLC | BEAUMONT, CA | 120 | 35 | — |
| OAK HAVEN ASSOCIATION | TEMECULA, CA | 120 | 22 | — |
| DUNNEVILLE ESTATES CSA #50 | HOLLISTER, CA | 120 | 0 | — |
| GOLDEN STATE WATER DESERT VIEW | APPLE VALLEY, CA | 120 | 3 | — |
| INSTITUTE OF MENTAL PHYSICS | JOSHUA TREE, CA | 120 | 67 | — |
| JOHNSON VALLEY COMMUNITY CENTER | JOHNSON VALLEY,, CA | 120 | 4 | — |
| QUIET OAKS MOBILE HOME PARK | STOCKTON, CA | 120 | 199 | — |
| BIG WHEEL MOBILE HOME PARK | STOCKTON, CA | 120 | 21 | — |
| CORTI WATER SYSTEM | SAN LEANDRO, CA | 120 | 2 | — |
| LODI USD-TURNER ACADEMY | LODI, CA | 120 | 44 | — |
| MADONNA INN WATER COMPANY | SAN LUIS OBISPO, CA | 120 | 17 | — |
| SAN MARCOS MUTUAL WATER COMPANY | SANTA BARBARA, CA | 120 | 10 | — |