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 |
|---|---|---|---|---|
| MARIPOSA DISTRICT FAIRGROUND | MARIPOSA, CA | 200 | 2 | — |
| YOSEMITE NPS-ARCH ROCK | YOSEMITE NP, CA | 200 | 2 | — |
| NEW LIFE CHRISTIAN FELLOWSHIP | MARIPOSA, CA | 200 | 6 | — |
| POMO CAMPGROUND | FORT BRAGG, CA | 200 | 3 | — |
| MACCALLUM HOUSE INN | MENDOCINO, CA | 200 | 10 | — |
| U.S. ARMY CORPS-LAKE MENDO (MARINA SITE) | UKIAH, CA | 200 | 4 | — |
| BLACK OAK FACILITY | LAYTONVILLE, CA | 200 | 12 | — |
| MDF-BLUE LAKE CG | ALTURAS, CA | 200 | 18 | — |
| USFS LEE VINING RANGER STATION | BISHOP, CA | 200 | 19 | — |
| PSMCSD - SPRINGFIELD WS | ROYAL OAKS, CA | 200 | 253 | — |
| BELL WINE CELLARS | NAPA, CA | 200 | 0 | — |
| TUCKER ACRES MUTUAL WATER CO. | CALISTOGA, CA | 200 | 35 | — |
| TPWC DBA THE PRISONER WINE COMPANY | ST HELENA, CA | 200 | 6 | — |
| WELCOME GRANGE HALL | NAPA, CA | 200 | 35 | — |
| PUTAH CANYON CAMPGROUND | NAPA, CA | 200 | 39 | — |
| DOMAINE CHANDON | YOUNTVILLE, CA | 200 | 41 | — |
| THE RANCH WINERY | ST. HELENA, CA | 200 | 19 | — |
| SIERRA ENERGY #3 | ROCKLIN, CA | 200 | 32 | — |
| TAHOE CITY PUD - TIMBERLAND | TAHOE CITY, CA | 200 | 3 | — |
| LIVE OAK WALDORF SCHOOL | MEADOW VISTA, CA | 200 | 13 | — |
| COMMUNITY OF THE GREAT COMMISSION | FORESTHILL, CA | 200 | 37 | — |
| PALISADES WATER SYSTEM | AUBURN, CA | 200 | 0 | — |
| CALTRANS-L.T. DAVIS RESTSTOP | REDDING, CA | 200 | 34 | — |
| WALTONS GRIZZLY LODGE | PORTOLA, CA | 200 | 0 | — |
| BUCKS LAKESHORE RESORT | QUINCY, CA | 200 | 15 | — |
| BLAIRSDEN WATER USERS ASSN | BLAIRSDEN, CA | 200 | 57 | — |
| IDYLLWILD BREW PUB | IDYLLWILD, CA | 200 | 0 | — |
| HARMONY FARMS EVENT CENTER | MURRIETTA, CA | 200 | 0 | — |
| VIEIRA'S RESORT, INC | ISLETON, CA | 200 | 97 | — |
| VIRGIN STURGEON | SACRAMENTO, CA | 200 | 5 | — |
| WALNUT GROVE ELEMENTARY SCHOOL | RIO VISTA, CA | 200 | 11 | — |
| HOLIDAY MOBILE VILLAGE | MENLO PARK, CA | 200 | 12 | — |
| 6200 FRANKLIN, LLC (SWS) | MILL VALLEY, CA | 200 | 12 | — |
| SLOUGHHOUSE INN | LOS ANGELES, CA | 200 | 2 | — |
| SCRIBNER BEND VINEYARD | SACRAMENTO, CA | 200 | 0 | — |
| GORDON ACRES WATER CO | LUCERNE VALLEY, CA | 200 | 26 | — |
| CAMP OSITO RANCHO | INGLEWOOD, CA | 200 | 6 | — |
| FOREST LAWN SCOUT RESERVATION | CEDAR GLEN, CA | 200 | 0 | — |
| WOODCRAFT RANGERS | LOS ANGELES, CA | 200 | 3 | — |
| LOUIS A. STELZER COUNTY PARK | SAN DIEGO, CA | 200 | 19 | — |
| HODGES RESERVOIR RECREATION AREA | LAKESIDE, CA | 200 | 9 | — |
| RANCHO ESTATES MUTUAL WATER CO. | PAUMA VALLEY, CA | 200 | 63 | — |
| PINE VALLEY TRAILER PARK | COSTA MESA, CA | 200 | 9 | — |
| CITY OF SAN DIEGO, CAMP MORENA | LA MESA, CA | 200 | 8 | — |
| DALEY RANCH | ESCONDIDO, CA | 200 | 4 | — |
| TAHAMA VILLAGE MOBILE HOME PARK | OAKDALE, CA | 200 | 12 | — |
| VILLA CEREZOS | LOS ALTOS, CA | 200 | 19 | — |
| PARADISE POINT MARINA | STOCKTON, CA | 200 | 9 | — |
| BANTA ELEMENTARY SCHOOL | BANTA, CA | 200 | 5 | — |
| MORADA CHEVRON FAST N EASY #60* | BENICIA, CA | 200 | 32 | — |