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 |
|---|---|---|---|---|
| Homegrown Cold Storage | Hanford, CA | 100 | 0 | - |
| Lodge at Blue Lakes | Upper Lake, CA | 100 | 12 | - |
| Cdf-Konocti Conservation Camp No. 27 | Lower Lake, CA | 100 | 29 | - |
| Lnf-Bogard Work Center/Cal Trans Srra | Susanville, CA | 100 | 10 | - |
| Le Chene Restaurant Water System | Santa Clarita, CA | 100 | 4 | - |
| Usfs-Jackson Flats V-2-1 | Arcadia, CA | 100 | 4 | - |
| North Trails Mutual Water Company | Agua Dulce, CA | 100 | 30 | - |
| Quick Serve Chevron | Coarsegold, CA | 100 | 8 | - |
| Beasore Mutual Water Co. | Bass Lake, CA | 100 | 34 | - |
| High Sierra Meadow Mutual Water | Atwater, CA | 100 | 18 | - |
| MD 43 Miami Creek Knolls | Madera, CA | 100 | 12 | - |
| El Cid Mexican Cuisine | Oakhurst, CA | 100 | 14 | - |
| Red Top Market | Chowchilla, CA | 100 | 12 | - |
| Ecco | Oakhurst, CA | 100 | 36 | - |
| Sa 14 Chuk Chanse Subdivision | Madera, CA | 100 | 2 | - |
| MD 42 Still Meadow | Madera, CA | 100 | 128 | - |
| United Park Inc | Chowchilla, CA | 100 | 0 | - |
| Pioneer Market | Chowchilla, CA | 100 | 31 | - |
| Table Mt Chevron | Madera, CA | 100 | 34 | - |
| Nott-Hill Investment Corp (Water) | Madera, CA | 100 | 0 | - |
| Wildhaven Yosemite Water System | Mariposa, CA | 100 | 0 | - |
| Meadow Estates Mutual | Boonville, CA | 100 | 13 | - |
| Norcal Gasoline | Fort Bragg, CA | 100 | 0 | - |
| Mendocino Cove | Mendocino, CA | 100 | 9 | - |
| Leggett Valley School | Leggett, CA | 100 | 32 | - |
| Frankies Pizza | Mendocino, CA | 100 | 0 | - |
| Grace Mennonite School | Winton, CA | 100 | 2 | - |
| The Vista Ranch and Cellars | Merced, CA | 100 | 0 | - |
| Cafe Beaujolais | Mendocino, CA | 100 | 0 | - |
| Twin Lakes Resort | Minden, CA | 100 | 41 | - |
| Hunewill's Doc and Al's Resort | Bridgeport, CA | 100 | 22 | - |
| Pokonobe Lodge Restaurant/Store | Mammoth Lakes, CA | 100 | 11 | - |
| Crowley Lake General Store | Crowley Lake, CA | 100 | 24 | - |
| Rancho Borromeo MWC | Salinas, CA | 100 | 28 | - |
| San Miguel WS #01 | Royal Oaks, CA | 100 | 188 | - |
| Bradley Union School WS | Bradley, CA | 100 | 72 | - |
| Riverside Campground WS | Big Sur, CA | 100 | 39 | - |
| Mission School WS | Soledad, CA | 100 | 30 | - |
| Hitchcock RD WS #02 | Salinas, CA | 100 | 3 | - |
| Sterling Vineyards | Calistoga, CA | 100 | 14 | - |
| Gene Norris Plaza | Nap, CA | 100 | 10 | - |
| Duffy's Napa Valley Rehab | Calistoga, CA | 100 | 3 | - |
| Mont St. John Cellars | Napa, CA | 100 | 11 | - |
| Napa County Schools: Pope Valley | Pope Valley, CA | 100 | 41 | - |
| Nvusd: Stonebridge School | Napa, CA | 100 | 12 | - |
| Howell Mountain School | Angwin, CA | 100 | 13 | - |
| Clos Du Val Wine Co. | Napa, CA | 100 | 5 | - |
| Rudd Wines, Inc., Dba Rudd | Oakville, CA | 100 | 12 | - |
| Opus One Winery | Oakville, CA | 100 | 28 | - |
| Round Hill Winery | St. Helena, CA | 100 | 22 | - |