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 |
|---|---|---|---|---|
| GOLDEN EMPIRE CONCRETE COMPANY | FRESNO, CA | 53 | 22 | — |
| WESTSIDE HARVESTING, LLC | KETTLEMAN CITY, CA | 53 | 18 | — |
| LAKE PILLSBURY RANCH WATER COMPANY | POTTER VALLEY, CA | 53 | 2 | — |
| MODOC VINEYARD ACADEMY | ALTURAS, CA | 53 | 6 | — |
| OAK PARK WS | GREENFIELD, CA | 53 | 30 | — |
| APRICOT LN WS | ROYAL OAKS, CA | 53 | 14 | — |
| RIVER RD WS #34 | SAN MIGUEL, CA | 53 | 0 | — |
| MEADOW EDGE MHP | VINTON, CA | 53 | 5 | — |
| MCCALL PARK - RIV.COUNTY PARKS | MOUNTAIN CENTER, CA | 53 | 46 | — |
| CASA DE FRUTA ORCHARDS | HOLLISTER, CA | 53 | 10 | — |
| SULLIVAN MUTUAL WATER | MORGAN HILL, CA | 53 | 21 | — |
| VISTA ROBLES ASSOCIATION | BEN LOMOND, CA | 53 | 26 | — |
| GREEN ACRES MUTUAL WATER | MORGAN HILL, CA | 53 | 24 | — |
| CHURN CREEK GOLF COURSE | REDDING, CA | 53 | 7 | — |
| PINE GROVE MOBILEHOME PARK | PLEASANT HILL, CA | 53 | 7 | — |
| STOCKING RANCH DEEPWELL | VACAVILLE, CA | 53 | 2 | — |
| BACA TASTING ROOM | ST. HELENA, CA | 53 | 0 | — |
| LITTLE AVENUE WATER SYSTEM | RED BLUFF, CA | 53 | 23 | — |
| WESPAK, INC. | DINUBA, CA | 53 | 46 | — |
| PURPLE ORCHID RESORT SPA | LIVERMORE, CA | 52 | 0 | — |
| LAKERIDGE CAMPING/BOATING RSRT | REEDLEY, CA | 52 | 19 | — |
| MUSICK CREEK INN | CLOVIS, CA | 52 | 5 | — |
| CANTUA CREEK VINEYARDS, IV, LLC. | CERES, CA | 52 | 168 | — |
| CAL FIRE - MIRAMONTE CONSERVATION CAMP | MIRAMONTE, CA | 52 | 30 | — |
| GRACE COMMUNITY CHURCH WATER SYSTEM | SHAFTER, CA | 52 | 11 | — |
| DOS PALOS Y AUCTION YARD | DOS PALOS, CA | 52 | 0 | — |
| DOREVA PRODUCE | LIVINGSTON, CA | 52 | 24 | — |
| PG&E COOL SPRINGS CG | CHICO, CA | 52 | 0 | — |
| BRADFORD RUN RV | AGUANGA, CA | 52 | 4 | — |
| TRAILS END MUTUAL WATER COMPANY | MOUNTAIN CENTER, CA | 52 | 45 | — |
| PAICINES RANCH | PAICINES, CA | 52 | 23 | — |
| SOSAS WATER SYSTEM | LUCERNE VALLEY, CA | 52 | 8 | — |
| ECONOMY INN | MORGAN HILL, CA | 52 | 7 | — |
| BRACKEN BRAE COUNTRY CLUB | BOULDER CREEK, CA | 52 | 50 | — |
| APTOS RIDGE MUTUAL WATER CO | WATSONVILLE, CA | 52 | 13 | — |
| LOCH LOMOND REC AREA SANTA CRUZ WD | SANTA CRUZ, CA | 52 | 0 | — |
| SALT CREEK RESORT LLC | LAKEHEAD, CA | 52 | 18 | — |
| PG&E - PSEA CAMP BRITTON | CONCORD, CA | 52 | 9 | — |
| NEU LODGE MOTEL | LAKEHEAD, CA | 52 | 3 | — |
| SONOMA COUNTY PARKS-PUTNAM PARK | SANTA ROSA, CA | 52 | 13 | — |
| U.S. ARMY CORPS-LAKE SONOMA HEADQUARTERS | GEYSERVILLE, CA | 52 | 6 | — |
| SIERRA LODGE | THREE RIVERS, CA | 52 | 228 | — |
| UC DAVIS-SCHOOL OF VET. MED. CENTER | DAVIS, CA | 52 | 33 | — |
| PONDEROSA MOBILE HOME PARK | SONORA, CA | 52 | 14 | — |
| GRASSLAND PARK HOST WELL (OLD YOLO BOWME | WOODLAND, CA | 52 | 19 | — |
| WILLOW CREEK CAMPGROUND | CAMPTONVILLE, CA | 52 | 2 | — |
| FRANCIS PROPERTY MANAGEMENT | CHICO, CA | 51 | 41 | — |
| COTTAGE SPRINGS WATER CO. | VALLECITO, CA | 51 | 81 | — |
| KLAMATH RIVER RV PARK | KLAMATH, CA | 51 | 9 | — |
| COUNTRY CORNER MARKET | REEDLEY, CA | 51 | 3 | — |