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 |
|---|---|---|---|---|
| Eusd-Van Allen School | Escalon, CA | 200 | 11 | - |
| Normans Nursery | Linden, CA | 200 | 16 | - |
| Sycamore Mineral Springs Resort | San Luis Obispo, CA | 200 | 10 | - |
| Strasbaugh, Inc | San Luis Obispo, CA | 200 | 6 | - |
| Octagon Barn Center Association | San Luis Obispo, CA | 200 | 0 | - |
| Jack Ready Imagination Park | San Luis Obispo, CA | 200 | 0 | - |
| Hearst Monument State Park | San Simeon, CA | 200 | 9 | - |
| Las Positas Mutual Water Company | Santa Barbara, CA | 200 | 68 | - |
| Majestic Townsgate Water System | Agoura Hills, CA | 200 | 150 | - |
| Imerys Filtration Minerals, Inc | Lompoc, CA | 200 | 18 | - |
| Rancho San Andreas | Watsonville, CA | 200 | 22 | - |
| Treasure Mountain Camp | Reno, CA | 200 | 8 | - |
| Sierraville P.U.D. | Sierraville, CA | 200 | 28 | - |
| Tnf-Cal-Ida Well | Nevada City, CA | 200 | 21 | - |
| Caltrans-Dunsmuir Grade Insp. Facility | Redding, CA | 200 | 7 | - |
| Kidder Creek Orchard Camp | Greenview, CA | 200 | 3 | - |
| Randal's Ranchette Mutual Water Company | Santa Rosa, CA | 200 | 22 | - |
| Yulupa Mutual Water Company | Santa Rosa, CA | 200 | 9 | - |
| Alexander Valley Union School District | Healdsburg, CA | 200 | 9 | - |
| Geyserville Newtech Academy School | Geyserville, CA | 200 | 49 | - |
| El Portal Mobile Estates | Santa Rosa, CA | 200 | 47 | - |
| Presentation School | Sonoma, CA | 200 | 13 | - |
| Johnson's Beach Resort | Guerneville, CA | 200 | 12 | - |
| Sonoma Warehousing | Sonoma, CA | 200 | 11 | - |
| Viansa Winery | Sonoma, CA | 200 | 14 | - |
| The Morning Star Company | Newman, CA | 200 | 25 | - |
| Legacy Baptist Church | Yuba City, CA | 200 | 65 | - |
| Lake California POA R.V. Park | Cottonwood, CA | 200 | 4 | - |
| Usace-Kaweah Recreation Area | Lemon Cove, CA | 200 | 10 | - |
| Far Horizons Camp | Fresno, CA | 200 | 52 | - |
| Improvement District No. 1 | Three Rivers, CA | 200 | 112 | - |
| Success Market | Porterville, CA | 200 | 71 | - |
| Kings River Golf Course | Kingsburg, CA | 200 | 20 | - |
| USA Petro Super Stop | Kingsburg, CA | 200 | 20 | - |
| Sun Pacific Shippers LP - Exeter | Exeter, CA | 200 | 172 | - |
| River View Restaurant | Three Rivers, CA | 200 | 77 | - |
| The Barn | Exeter, CA | 200 | 88 | - |
| Griffin Food and Gas | Visalia, CA | 200 | 52 | - |
| Exeter Kingdom Hall | Exeter, CA | 200 | 10 | - |
| Rush Creek Lodge Water System | Tiburon, CA | 200 | 12 | - |
| Americas Best Value Inn | San Jose, CA | 200 | 20 | - |
| Migrant Head Start Program - Water | Yuba City, CA | 200 | 48 | - |
| United Travel Plaza | Orange, CA | 200 | 45 | - |
| The Maples | Woodland, CA | 200 | 6 | - |
| Jehovah's Witnesses - Southport | West Sacramento, CA | 200 | 2 | - |
| Loma Rica Water Company | Bedford, CA | 200 | 28 | - |
| River Highlands Csd | Marysville, CA | 200 | 9 | - |
| Castlewood Mobile Home Park | Marysville, CA | 200 | 10 | - |
| Younglife Woodleaf | Challenge, CA | 200 | 6 | - |
| Grizzly Rock Cafe | Modesto, CA | 199 | 7 | - |