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 |
|---|---|---|---|---|
| CREEKBRIDGE MUTUAL WATER COMPANY | HOLLISTER, CA | 69 | 10 | — |
| SUNNYSIDE ESTATES WATER SYSTEM | STOCKTON, CA | 69 | 5 | — |
| LASSEN VNP - HEADQUARTERS | MINERAL, CA | 69 | 6 | — |
| BOGLE FAMILY LIMITED PARTNER | CLARKSBURG, CA | 69 | 35 | — |
| MARY LOU MOBILE HOME PARK | STOCKTON, CA | 68 | 7 | — |
| PARCHER'S RESORT | BISHOP, CA | 68 | 34 | — |
| PINEBROOK COMMUNITY WATER WELL | WOFFORD HEIGHTS, CA | 68 | 36 | — |
| INDIAN HILLS RANCH CAMPGROUND | TEHACHAPI, CA | 68 | 11 | — |
| SIERRA MEADOWS | KERNVILLE, CA | 68 | 34 | — |
| EAGLE LAKE RV PARK | REDDING, CA | 68 | 24 | — |
| CALVARY CHURCH INC WS | SALINAS, CA | 68 | 101 | — |
| OAK GROVE COMPLEX | SAN DIEGO, CA | 68 | 12 | — |
| FIRESTONE VINEYARD | SOLVANG, CA | 68 | 8 | — |
| SANTA TERESA MEADOWS WATER COMPANY | COYOTE, CA | 68 | 35 | — |
| USFS YOLLA BOLLA CORP YARD | REDDING, CA | 68 | 18 | — |
| SBRAGIA WINERY | GEYSERVILLE, CA | 68 | 2 | — |
| SO. SILVER LAKE HOMEOWNERS | LINDEN, CA | 67 | 26 | — |
| MINERAL MOUNTAIN MUTUAL WATER | MUPHYS, CA | 67 | 85 | — |
| SANDY POINT MOBILE HOME PARK | BRENTWOOD, CA | 67 | 14 | — |
| BEACH CREEK MOBILE HOME PARK | SEBASTOPOL, CA | 67 | 48 | — |
| R.S. MUTUAL WATER COMPANY | WOFFORD HEIGHTS, CA | 67 | 219 | — |
| THE OAKS | LOS ANGELES, CA | 67 | 8 | — |
| MORO COJO MWA | PRUNEDALE, CA | 67 | 71 | — |
| LA TIERRA HEIGHTS MUTUAL | ANGWIN, CA | 67 | 19 | — |
| SPECIALTY MINERALS INC | LUCERNE VALLEY, CA | 67 | 10 | — |
| PIGEON POINT HOSTEL | FELTON, CA | 67 | 7 | — |
| ST CLARE'S RETREAT | SOQUEL, CA | 67 | 2 | — |
| ASTI WINERY | HEALDSBURG, CA | 67 | 2 | — |
| MORNINGSIDE MOBILEHOME PARK | MODESTO, CA | 67 | 8 | — |
| GOLD RUSH MOBILE HOME PARK | SAN JUAN CAPISTRANO, CA | 67 | 28 | — |
| EBRPD LITTLE HILLS | OAKLAND, CA | 66 | 0 | — |
| MORAGA HEIGHTS MUTUAL WATER | CANYON, CA | 66 | 30 | — |
| DOUBLETREE RANCH WATER SYSTEM | LIVERMORE, CA | 66 | 101 | — |
| VILLA TAHOE CONDOMINIUMS | MILPITAS, CA | 66 | 18 | — |
| KEELER COMMUNITY SERVICE DISTRICT | CLOVIS, CA | 66 | 105 | — |
| BOULDER CREEK TRAILER PARK | LONE PINE, CA | 66 | 11 | — |
| KEELER YARD LADWP | LOS ANGELES, CA | 66 | 7 | — |
| WILSON ROAD WATER COMMUNITY | BAKERSFIELD, CA | 66 | 85 | — |
| JASMINE VINEYARDS | DELANO, CA | 66 | 0 | — |
| MCEVOY RANCH WATER SYSTEM | PETALUMA, CA | 66 | 0 | — |
| BROWN'S OWENS RIVER CAMPGROUND | BISHOP, CA | 66 | 17 | — |
| MURPHY HILL WS #02 | AROMAS, CA | 66 | 104 | — |
| VIERRA KNOLLS MWC | SALINAS, CA | 66 | 21 | — |
| STONEPINE RESORT WS | CARMEL VALLEY, CA | 66 | 38 | — |
| RIVER RANCH FARM WORKER CENTER | NAPA, CA | 66 | 6 | — |
| MONDAVI FARM WORKER CENTER | NAPA, CA | 66 | 1 | — |
| C21 ANZA | ANZA, CA | 66 | 5 | — |
| FOOTHILL ESTATES MHP | BEVERLY HILLS, CA | 66 | 5 | — |
| RANCHO PINO VERDE | LUCERNE VALLEY, CA | 66 | 4 | — |
| FRY CREEK / OBSERVATORY | SAN DIEGO, CA | 66 | 12 | — |