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 |
|---|---|---|---|---|
| Mk Properties | Fresno, CA | 156 | 7 | - |
| Arco Ampm #42924 | Manteca, CA | 156 | 0 | - |
| Tom's Place | Crowley Lake, CA | 156 | 56 | - |
| Shadow Hills RV Resort | Indio, CA | 156 | 21 | - |
| Lake Canyon Mutual Water Company | Los Gatos, CA | 156 | 115 | - |
| Riverbank Lra | Riverbank, CA | 156 | 7 | - |
| Silver City Water Co. | Encino, CA | 156 | 24 | - |
| Sunol Super Stop | Sunol, CA | 155 | 0 | - |
| Picacho State Reservation Area | Borrego Springs, CA | 155 | 19 | - |
| Csp - Fort Tejon | Lancaster, CA | 155 | 6 | - |
| Konocti Harbor Resort | Kelseyville, CA | 155 | 9 | - |
| Cressey School | Ballico, CA | 155 | 11 | - |
| Clos Pegase Winery | Calistoga, CA | 155 | 17 | - |
| Bradshaw Ranch Golf Course Inc | Sacramento, CA | 155 | 11 | - |
| Liberty-Bellview Heights | Downey, CA | 155 | 3 | - |
| Camp Chesebrough | San Jose, CA | 155 | 18 | - |
| Punjabi Dhaba | Vacaville, CA | 155 | 10 | - |
| B.r. Cohn Winery | Glen Ellen, CA | 155 | 22 | - |
| Bedel Mutual Water Company | Visalia, CA | 155 | 22 | - |
| Panaderia la Cabana | Porterville, CA | 155 | 16 | - |
| Mjusd Browns Valley School | Marysville, CA | 155 | 11 | - |
| Gateway Market Water System | Inyokern, CA | 154 | 2 | - |
| South Fork Elementary School Water Sys | Weldon, CA | 154 | 17 | - |
| Albion Field Station | Angwin, CA | 154 | 2 | - |
| Big Meadow Campground | Bishop, CA | 154 | 19 | - |
| Firestone Business Park WS | Salinas, CA | 154 | 24 | - |
| Muller Mutual Water Company | Tuolumne, CA | 154 | 29 | - |
| Golden Bear RV Park | Paradise, CA | 153 | 14 | - |
| Grizzly Creek Sp-State Parks | Eureka, CA | 153 | 11 | - |
| Stanford Inn by the Sea | Mendocino, CA | 153 | 0 | - |
| Merced Adventist Church Water Sys. | Merced, CA | 153 | 1 | - |
| Camp Ross Relles | Sacramento, CA | 153 | 18 | - |
| Burney Falls/Hat Creek KOA | Los Angeles, CA | 153 | 0 | - |
| Olive Lane Mobilehome Park | Acampo, CA | 153 | 8 | - |
| Pier 1900 Homeowner's Association | Lakeport, CA | 152 | 7 | - |
| Bella Lago Mobile Home Park | San Jose, CA | 152 | 33 | - |
| Rancho Market | Madera, CA | 152 | 46 | - |
| The Manor Estate | Madera, CA | 152 | 2 | - |
| Anderson Valley Brewing Company | Boonville, CA | 152 | 2 | - |
| Stone Creek Water Company | Palm Desert, CA | 152 | 63 | - |
| Folsom Lake Sra - Mississippi Bar | Folsom, CA | 152 | 4 | - |
| Camp Alandale at Sky Meadows | Angelus Oaks, CA | 152 | 29 | - |
| The Steward | Santa Barbara, CA | 152 | 11 | - |
| Chitactac-Adams County Park | San Jose, CA | 152 | 0 | - |
| Summit Mutual Water Company | Los Gatos, CA | 152 | 51 | - |
| Lakehead Campground & RV Park | Lakehead, CA | 152 | 4 | - |
| Quail Valley Recreational Village | California Hot Springs, CA | 152 | 11 | - |
| Liberty 1st Ward Meeting House | Fair Oaks, CA | 151 | 2 | - |
| Sun Valley Rice Company | Dunnigan, CA | 151 | 8 | - |
| Black Butte Lk, Orland Buttes Campground | Orland, CA | 151 | 2 | - |