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 |
|---|---|---|---|---|
| VERONA MARINA LAUNCH & R.V. | SHINGLE SPRINGS, CA | 50 | 12 | — |
| HUNTER'S FISHING RESORT | MILLBRAE, CA | 50 | 11 | — |
| RED BLUFF RECREATION AREA | WILLOWS, CA | 50 | 6 | — |
| COTTONWOOD CHEVRON | RED BLUFF, CA | 50 | 2 | — |
| CALIFORNIA HOT SPRINGS WATER COMPANY | CALIFORNIA HOT SPRINGS, CA | 50 | 24 | — |
| CAMP SAN JOAQUIN | LOS ANGELES, CA | 50 | 14 | — |
| POLYMERPAK | EXETER, CA | 50 | 19 | — |
| THREE RIVERS GOLF & SPIRITS, INC. | THREE RIVERS, CA | 50 | 5 | — |
| E.M. THARP, INC. | PORTERVILLE, CA | 50 | 55 | — |
| APTCO LLC | DELANO, CA | 50 | 108 | — |
| FOSTER FARMS TRAVER FEEDMILL | LIVINGSTON, CA | 50 | 20 | — |
| FAMILY EDUCATION CENTER | OROSI, CA | 50 | 35 | — |
| HARTLAND WATER COMPANY | VISALIA, CA | 50 | 6 | — |
| WILLITTS EQUIPMENT COMPANY, INC. | EXETER, CA | 50 | 13 | — |
| SUNNY ACRES PRESCHOOL | PORTERVILLE, CA | 50 | 10 | — |
| COW CREEK PERMITTEES ASSOCIATION | PINECREST, CA | 50 | 31 | — |
| TELELI GOLF CLUB | SONORA, CA | 50 | 0 | — |
| LAKE DON PEDRO HOMEOWNERS | LA GRANGE, CA | 50 | 0 | — |
| ESTERINA PROPERTIES | SANTA BARBARA, CA | 50 | 41 | — |
| VULCAN MATERIALS COMPANY - CAL MAT | OXNARD, CA | 50 | 6 | — |
| GP ANACAPA FOODS, LLC. | OXNARD, CA | 50 | 36 | — |
| OLD SUGAR MILL WINERY | CLARKSBURG, CA | 50 | 225 | — |
| BROWNS VALLEY ONE STOP | BROWNS VALLEY, CA | 50 | 4 | — |
| ALCOUFFE COMMUNITY CENTER | OREGON HOUSE, CA | 50 | 4 | — |
| DOLLAR GENERAL - SMARTSVILLE | LENEXA, CA | 50 | 0 | — |
| COUNTRY VILLAGE MOBILE HOME PARK | OAKDALE, CA | 50 | 9 | — |
| MI RANCHITO RESTAURANT | MARYSVILLE, CA | 50 | 2 | — |
| SEVEN MILE HOUSE | MARYSVILLE, CA | 50 | 0 | — |
| NORTH YUBA RANGER STATION | CAMERON PARK, CA | 50 | 4 | — |
| SHOEI FOODS (USA), INC. | OLIVEHURST, CA | 50 | 4 | — |
| US PIPE FABRICATION | BIRMINGHAM, CA | 50 | 12 | — |
| PG&E | MARYSVILLE, CA | 50 | 2 | — |
| DUTCH SLOUGH WATER WORKS | OAKLEY, CA | 49 | 10 | — |
| WILLOW CREEK CHRISTIAN SCHOOL | WILLOWS, CA | 49 | 4 | — |
| LONE PINE OASIS | VALLEY CENTER, CA | 49 | 251 | — |
| PARADISE COVE LODGE | LAKE ISABELLA, CA | 49 | 17 | — |
| SAN JUAN RD WS #01 | AROMAS, CA | 49 | 90 | — |
| RIVER RD WS #26 | SALINAS, CA | 49 | 27 | — |
| NAPA VALLEY RESERVE WATER SYSTEM | ST HELENA, CA | 49 | 4 | — |
| CHAPPELLET WINERY | ST. HELENA, CA | 49 | 13 | — |
| MATERRA WINERY | NAPA, CA | 49 | 0 | — |
| GOATHOUSE BREWING AGUA | LINCOLN, CA | 49 | 2 | — |
| COACHELLA VALLEY PUBLIC CEMETERY | COACHELLA, CA | 49 | 40 | — |
| BETABEL RV RESORT | SAN JUAN BAUTISTA, CA | 49 | 13 | — |
| MARTINS BEACH WATER SYSTEM | HALF MOON BAY, CA | 49 | 13 | — |
| FLOOD RANCH/RANCHO SISQUOC | SANTA MARIA, CA | 49 | 7 | — |
| BACIGALUPI VINEYARDS | HEALDSBURG, CA | 49 | 2 | — |
| HELLWIG PRODUCTS COMPANY INC | VISALIA, CA | 49 | 20 | — |
| WESTLANDS WATER DISTRICT | FRESNO, CA | 48 | 89 | — |
| FCSA 34B - VENTANA HILLS | FRESNO, CA | 48 | 0 | — |