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 | - |