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 |
|---|---|---|---|---|
| Duck Island RV Park | Lodi, CA | 110 | 2 | - |
| Mission Farm R.V. Park | San Juan Bautista, CA | 110 | 64 | - |
| Btqc-Escalon | Ceres, CA | 110 | 8 | - |
| San Joaquin Fair - 2nd District | Stockton, CA | 110 | 9 | - |
| Halcyon Water System | Halcyon, CA | 110 | 47 | - |
| Rusack Vineyards | Buellton, CA | 110 | 2 | - |
| Three Springs Ranch Mutual Water Company | Mt. Hamilton, CA | 110 | 22 | - |
| Santa Cruz KOA Campgrounds | Watsonville, CA | 110 | 31 | - |
| Del Rio East HOA Water System | Stockton, CA | 110 | 21 | - |
| Gratton School | Denair, CA | 110 | 94 | - |
| Calvary Chapel of Red Bluff | Red Bluff, CA | 110 | 2 | - |
| Soults Mutual Water Company | Tulare, CA | 110 | 175 | - |
| Mjusd Cordua School | Marysville, CA | 110 | 8 | - |
| Fcpg/Lost Lake Recreation Area | Fresno, CA | 109 | 12 | - |
| Oak Grove Mobile Home Park | Bell Canyon, CA | 109 | 48 | - |
| Saintsbury Winery | Napa, CA | 109 | 5 | - |
| Naggiar Vineyards | Grass Valley, CA | 109 | 0 | - |
| Podesta Packing Water System | Linden, CA | 109 | 2 | - |
| Gurudwara Guru Nanak Sahib | Turlock, CA | 109 | 7 | - |
| Lemon Cove Water Company | Lemon Cove, CA | 109 | 126 | - |
| Sunrise Mutual Water Co. | Visalia, CA | 109 | 20 | - |
| The Ranch at Live Oak | Malibu, CA | 109 | 7 | - |
| Calenergy (Vulcan Power Plant) | Calipatria, CA | 108 | 0 | - |
| Mountain Valley Airport | Tehachapi, CA | 108 | 24 | - |
| Kern Co P&r-Greenhorn Mt. Park Water | Bakersfield, CA | 108 | 20 | - |
| Cal Fire-Intermountain Conservation Camp | Bieber, CA | 108 | 14 | - |
| Codorniz Rec Area Eastman Lk | Raymond, CA | 108 | 11 | - |
| Green Real Estate Enterprises LLC | Mendocino, CA | 108 | 4 | - |
| Mendocino Art Center | Mendocino, CA | 108 | 0 | - |
| Valley Oaks MHP WS | Lockwood, CA | 108 | 64 | - |
| Holly Hills MWC | Salinas, CA | 108 | 22 | - |
| Riley's Log Cabin Farm | Yucaipa, CA | 108 | 10 | - |
| Las Ventanas Ranch | San Luis Obispo, CA | 108 | 0 | - |
| Pg&e - Psea Camp Pit | Concord, CA | 108 | 10 | - |
| Jacuzzi Winery | Sonoma, CA | 108 | 4 | - |
| Live Oak Child Care Center | Live Oak, CA | 108 | 54 | - |
| Rmrc-Fairview Campground | Overland Park, CA | 108 | 10 | - |
| Usfs Utica Union Campground | Sonora, CA | 108 | 0 | - |
| Wonder Valley River Way Ranch | Sanger, CA | 107 | 8 | - |
| Forward Bible Conference | Georgetown, CA | 107 | 22 | - |
| Calvary Chapel | Tehachapi, CA | 107 | 4 | - |
| California Conservation Camp #14 | Los Angeles, CA | 107 | 25 | - |
| Lafond Winery | Buellton, CA | 107 | 8 | - |
| Del Oro Water Company - Buzztail Dist. | Chico, CA | 106 | 16 | - |
| Fcsa 01 - Tamarack | Fresno, CA | 106 | 4 | - |
| Jameson Ranch Camp | Glennville, CA | 106 | 32 | - |
| Wildwood Mobile Home Pk Inc | Fresno, CA | 106 | 10 | - |
| Laird Wine Studio | Napa, CA | 106 | 27 | - |
| Pleasure Cove Resort | Napa, CA | 106 | 40 | - |
| Paradise Mobile Estates | San Juan Capistrano, CA | 106 | 6 | - |