Public Water Systems
7,249 active water systems in CA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| COLONIAL PARK | HEALDSBURG, CA | 342 | 14 | — |
| DEL ORO WATER CO.-MAGALIA | CHICO, CA | 340 | 8 | — |
| JOHNS MANVILLE | WILLOWS, CA | 340 | 10 | — |
| SHARONDALE MESA HOA | CALIMESA, CA | 340 | 47 | — |
| ARBOR MOBILE HOME PARK WS | IRVINE, CA | 340 | 26 | — |
| VERDE VALE ELEMENTARY SCHOOL | ANDERSON, CA | 340 | 6 | — |
| TOOLEVILLE MUTUAL NON PROFIT WATER ASSN | EXETER, CA | 340 | 79 | — |
| PONDEROSA CSD | SPRINGVILLE, CA | 340 | 41 | — |
| LEISURE PINES MUTUAL WATER CO | TWAIN HARTE, CA | 340 | 10 | — |
| SISAR MUTUAL WATER CO | SANTA PAULA, CA | 340 | 8 | — |
| SOUTH COAST INN | GOLETA, CA | 339 | 2 | — |
| PORTERVILLE-JONES CORNER | PORTERVILLE, CA | 339 | 2 | Clean |
| WASHINGTON SCHOOL | WINTON, CA | 338 | 9 | — |
| YMCA CAMP MARSTON/RAINTREE | JULIAN, CA | 338 | 30 | — |
| ALDERCROFT HEIGHTS COUNTY WATER DISTRICT | LOS GATOS, CA | 338 | 57 | — |
| TRINITY KNOLLS MUTUAL WATER COMPANY | TRINITY CENTER, CA | 338 | 18 | — |
| MUIR BEACH COMMUNITY | MUIR BEACH, CA | 336 | 10 | — |
| DELTA MUTUAL WATER COMPANY | OAKLEY, CA | 333 | 24 | — |
| RIVERSIDE CSD | FERNDALE, CA | 333 | 20 | — |
| FOLSOM LAKE MUTUAL WATER CO | GRANITE BAY, CA | 333 | 0 | — |
| NEEDLES KOA | NEEDLES, CA | 333 | 2 | — |
| SHASTA CSA - CASTELLA, #3 | REDDING, CA | 333 | 36 | — |
| PENN VALLEY SHOPPING CENTER | PENN VALLEY, CA | 332 | 27 | — |
| TRINITY VILLAGE MUTUAL WATER | SALYER, CA | 332 | 11 | — |
| THUNDERHILL RACEWAY | WILLOWS, CA | 331 | 0 | — |
| JEHOVAH'S WITNESSES CHURCH - REEDLEY | REEDLEY, CA | 330 | 4 | — |
| MYERS FLAT M.W.S. INC. | MYERS FLAT, CA | 330 | 33 | — |
| DHS CALEXICO | IMPERIAL, CA | 330 | 34 | — |
| WASHINGTON WATER DISTRICT | WASHINGTON, CA | 330 | 58 | — |
| DEL DIOS MUTUAL WATER COMPANY | ESCONDIDO, CA | 330 | 28 | — |
| PHILLIPS FARMS | LODI, CA | 330 | 56 | — |
| EAST NICOLAUS JOINT UNION HIGH SCHOOL | NICOLAUS, CA | 330 | 12 | — |
| R-RANCH IN THE SEQUOIAS | KERNVILLE, CA | 330 | 57 | — |
| PINNACLES NATIONAL PARK-WEST DISTRICT | PAICINES, CA | 328 | 6 | — |
| DODGE RIDGE SKI RESORT | PINECREST, CA | 328 | 7 | — |
| PLEASANT GROVE MHP | OROVILLE, CA | 327 | 45 | — |
| FRENCH CAMP GOLF COURSE | FRENCH CAMP, CA | 327 | 37 | — |
| FAWN & STONEY CAMPGROUND | REDDING, CA | 327 | 0 | — |
| KINGS RIVER RV RESORT, LLC | KINGSBURG, CA | 327 | 25 | — |
| JOSEPH GRANT COUNTY PARK | SAN JOSE, CA | 326 | 11 | — |
| BIDWELL PARK GOLF COURSE | CHICO, CA | 325 | 15 | — |
| LEISURE LAKE MOBILE ESTATES | CHANDLER, CA | 325 | 24 | — |
| CHARLESTON SCHOOL | LOS BANOS, CA | 325 | 8 | — |
| TWIN LAKES ENTERPRISES | BRIDGEPORT, CA | 325 | 39 | — |
| SADDLEBAG LAKE CAMPGROUND | BISHOP, CA | 325 | 24 | — |
| DESERT SPRINGS MWC | LUCERNE VALLEY, CA | 325 | 6 | — |
| SUNSHINE RESORT | PARKER DAM, CA | 325 | 25 | — |
| BEL AIR MOBILE ESTATE | STOCKTON, CA | 325 | 14 | — |
| EL CAPITAN MUTUAL WATER COMPANY | GOLETA, CA | 325 | 20 | — |
| WOODSTOCK RANCH | SANTA YNEZ, CA | 325 | 2 | — |