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 |
|---|---|---|---|---|
| Calenergy (Administrative) | Calipatria, CA | 48 | 0 | - |
| Aberdeen Water System | Crowley Lake, CA | 48 | 16 | - |
| Pond Mutual Water Company | Wasco, CA | 48 | 47 | - |
| Point Horizon Institute | Ravendale, CA | 48 | 6 | - |
| MD 28 Ripperdan Self Help | Madera, CA | 48 | 23 | - |
| Kidz Can 2 | Oakhurst, CA | 48 | 30 | - |
| Nicasio School | Nicasio, CA | 48 | 56 | - |
| Wildwood Campground | Fort Bragg, CA | 48 | 30 | - |
| Albion River Inn | Albion, CA | 48 | 4 | - |
| Mercey Springs Shell | Fresno, CA | 48 | 0 | - |
| California Sweet Potato Growers Coop | Livingston, CA | 48 | 12 | - |
| Maher RD WS #05 | Royal Oaks, CA | 48 | 80 | - |
| Tierra Verde MWC | Salinas, CA | 48 | 43 | - |
| Baumann RD WS #01 | Watsonville, CA | 48 | 47 | - |
| Paradise RD WS #21 | Salinas, CA | 48 | 34 | - |
| Robert Keenan Winery | St Helena, CA | 48 | 8 | - |
| Thousand Trails Idyllwild - Mhc | Idyllwild, CA | 48 | 19 | - |
| Tunnel Trailer Park | Walnut Grove, CA | 48 | 2 | - |
| Lake Wainani Owners Assoc | Newberry Springs, CA | 48 | 0 | - |
| Valimet Inc | Stockton, CA | 48 | 13 | - |
| Cuyama Mutual Water Company | Cuyama, CA | 48 | 76 | - |
| Learning Services Corp. | Gilroy, CA | 48 | 19 | - |
| R a Farms | Watsonville, CA | 48 | 16 | - |
| Shasta View Heights Owners Association | Yreka, CA | 48 | 14 | - |
| Midway RV Park | Forestville, CA | 48 | 10 | - |
| Kinnybrook Mutual Water Company | Kenwood, CA | 48 | 3 | - |
| Ebrpd Old Briones Regional Park | Oakland, CA | 47 | 0 | - |
| The Jeffrey Hotel | South Lake Tahoe, CA | 47 | 16 | - |
| Heck Cellars Water System | Digiorgio, CA | 47 | 72 | - |
| Indian Wells Lodge | Inyokern, CA | 47 | 30 | - |
| Alta Wind Project O&m Facility Water Sys | Mojave, CA | 47 | 10 | - |
| Sweet Water Co-Op | Inyokern, CA | 47 | 24 | - |
| Baker Commodities Inc. | Hanford, CA | 47 | 120 | - |
| Slide Ranch | Muir Beach, CA | 47 | 14 | - |
| Virginia Creek Settlement | Bridgeport, CA | 47 | 42 | - |
| Faith and Family Farms WS | Salinas, CA | 47 | 25 | - |
| Caltrans-Whitmore Maint. Station | Nevada City, CA | 47 | 2 | - |
| Tamarack Lodge | Tahoe City, CA | 47 | 20 | - |
| Desert View RV Resort | Needles, CA | 47 | 0 | - |
| Ocotillo Wells RV Park & Store | Borrego Springs, CA | 47 | 11 | - |
| Lux Inn | Pine Valley, CA | 47 | 17 | - |
| Peake Ranch | Buellton, CA | 47 | 0 | - |
| Forest Knolls Mutual Water Co | Chico, CA | 46 | 16 | - |
| Tahoe Valley Lodge | South Lake Tahoe, CA | 46 | 25 | - |
| Fowler Care Center | Fowler, CA | 46 | 20 | - |
| Orland Livestock Comm. Yard, Inc. | Orland, CA | 46 | 37 | - |
| Mendo Mill and Lumber Company | Ukiah, CA | 46 | 0 | - |
| Ponderosa Telephone-Service CT | Oneals, CA | 46 | 13 | - |
| Crowley Lake Fish Camp | Mammoth Lakes, CA | 46 | 19 | - |
| Twin Lakes Store | Bishop, CA | 46 | 8 | - |