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 |
|---|---|---|---|---|
| JOSHUA TREE LAKE RV/CAMP | JOSHUA TREE, CA | 106 | 2 | — |
| ND DANIEL'S INVESTMENT LLC | DULZURA, CA | 106 | 19 | — |
| WALNUT ACRES | STOCKTON, CA | 106 | 7 | — |
| VARIAN RANCH MUTUAL WATER | ARROYO GRANDE, CA | 106 | 3 | — |
| SVEADAL WATER SYSTEM | SOUTH SAN FRANCISCO, CA | 106 | 27 | — |
| SUN MOUNTAIN M.W.C. | MT. SHASTA, CA | 106 | 12 | — |
| GUNDLACH BUNDSCHU WINERY | SONOMA, CA | 106 | 11 | — |
| GARY FARRELL WINERY | HEALDSBURG, CA | 106 | 2 | — |
| JOURNEY S END RESORT | MAD RIVER, CA | 106 | 4 | — |
| KINGS RIVER ESTATES MUTUAL WATER COMPANY | KINGSBURG, CA | 106 | 47 | — |
| BALCH PARK | VISALIA, CA | 106 | 38 | — |
| SOUTH FORK ESTATES MUTUAL WATER CO | THREE RIVERS, CA | 106 | 8 | — |
| INTERNATIONAL PAPER - EXETER BULK | EXETER, CA | 106 | 22 | — |
| EBRPD BAY POINT REGIONAL SHORELINE | OAKLAND, CA | 105 | 0 | — |
| HELM SCHOOL | HELM, CA | 105 | 9 | — |
| HANDISTOP MARKET | CARUTHERS, CA | 105 | 0 | — |
| RAU DAIRY | CARUTHERS, CA | 105 | 56 | — |
| ST. CLAIR RANCHOS MUTUAL WATER CO. | BAKERSFIELD, CA | 105 | 24 | — |
| CSP - TULE ELK | LANCASTER, CA | 105 | 36 | — |
| CLEAR CREEK OUTDOOR EDUCATION CENTER | LOS ANGELES, CA | 105 | 9 | — |
| OAK HEIGHTS W & R CO INC | SALINAS, CA | 105 | 67 | — |
| SCHEID VINEYARD WS | GREENFIELD, CA | 105 | 29 | — |
| PALM GAS MART | DESERT HOT SPRINGS, CA | 105 | 12 | — |
| MORADA ACRES WATER SYSTEM | STOCKTON, CA | 105 | 7 | — |
| PASO ROBLES RV RANCH | PASO ROBLES, CA | 105 | 1 | — |
| COVE MOBILE VILLA | SACRAMENTO, CA | 105 | 31 | — |
| ANABA WINERY | SONOMA, CA | 105 | 24 | — |
| SHILOH SCHOOL DISTRICT | MODESTO, CA | 105 | 33 | — |
| PACKWOOD SCHOOL | VISALIA, CA | 105 | 15 | — |
| MCWANE PLANT AND INDUSTRIAL, LLC | EXETER, CA | 105 | 112 | — |
| MONO VISTA RANCH MHP | RANCHO CUCAMONGA, CA | 105 | 13 | — |
| TAHOE TRAVEL INN | SOUTH LAKE TAHOE, CA | 104 | 18 | — |
| DINKEY CREEK WATER IMPROVEMENT | PRATHER, CA | 104 | 20 | — |
| DINO MART 1 | REEDLEY, CA | 104 | 19 | — |
| SCE/BIG CREEK POWERHOUSE 1 | ROSEMEAD, CA | 104 | 43 | — |
| CAMP TRINIDAD RV RESORT | TRINIDAD, CA | 104 | 18 | — |
| EASTERN SIERRA TRI COUNTY FAIR | BISHOP, CA | 104 | 37 | — |
| ROCK CREEK LAKE CAMPGROUND | BISHOP, CA | 104 | 0 | — |
| HICKEY PARK | HANFORD, CA | 104 | 1 | — |
| WESTWIND MOBILE HOME PARK | LAKE OSWEGO, CA | 104 | 45 | — |
| NICASIO RANCH LLC | MILL VALLEY, CA | 104 | 7 | — |
| ELIM FOOLISH PLEASURE | AGUANGA, CA | 104 | 4 | — |
| PINYON CREST HOA | PALM DESERT, CA | 104 | 40 | — |
| NPS - HOLE IN THE WALL CAMPGROUND | BARSTOW, CA | 104 | 10 | — |
| LONE WOLF COLONY | APPLE VALLEY, CA | 104 | 5 | — |
| LODI LAKE MOBILE HOME PARK | SAN MARINO, CA | 104 | 14 | — |
| KINECTA FCU | MANHATTAN BEACH, CA | 104 | 168 | — |
| THE BRIDGEHOUSE | SANTA BARBARA, CA | 104 | 7 | — |
| OAK DELL PARK | SARATOGA, CA | 104 | 73 | — |
| MECCHI WATER COMPANY | LODI, CA | 104 | 28 | — |