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 |
|---|---|---|---|---|
| City of Merced WWTP | Merced, CA | 30 | 0 | - |
| Pelligrini Properties (El Campo Market) | San Jose, CA | 30 | 1 | - |
| Sully's RV Park | Alturas, CA | 30 | 4 | - |
| Whitmore Ballfields | Mammoth Lakes, CA | 30 | 32 | - |
| Green Valley Floral-Potter RD WS | Salinas, CA | 30 | 35 | - |
| Cal Am Water Company - Garrapata | Pacific Grove, CA | 30 | 3 | - |
| Massa Estate Vineyards WS (Prev Heller) | Salinas, CA | 30 | 18 | - |
| Bud Antle, LLC-Salinas Transplant WS | Monterey, CA | 30 | 32 | - |
| Orchard Ln WS #09 | Salinas, CA | 30 | 45 | - |
| South Coast Center WS | Big Sur, CA | 30 | 20 | - |
| River RD WS #28 | Salinas, CA | 30 | 14 | - |
| Garland Park | Monterey, CA | 30 | 44 | - |
| Pezzini Farms WS | Castroville, CA | 30 | 0 | - |
| Outpost Wines | Angwin, CA | 30 | 4 | - |
| Lokoya Winery | Santa Rosa, CA | 30 | 2 | - |
| Far Niente Winery | Oakville, CA | 30 | 12 | - |
| Harmony Ridge Lodge | Nevada City, CA | 30 | 0 | - |
| Animal Place | Grass Valley, CA | 30 | 0 | - |
| Usfs Big Bend Campground & Admin Site | Nevada City, CA | 30 | 10 | - |
| Huppe Moore Landscape | Loomis, CA | 30 | 4 | - |
| Senior Care Villa Water | Loomis, CA | 30 | 11 | - |
| Wise Villa Winery | Rocklin, CA | 30 | 8 | - |
| Gold Lake Lodge | Graeagle, CA | 30 | 9 | - |
| Dream Catcher Campground | Portola, CA | 30 | 18 | - |
| Caribou Crossroads | Caribou, CA | 30 | 37 | - |
| Plumas County Gansner Park | Quincy, CA | 30 | 2 | - |
| Johnsville Public Utility Dist | Graeagle, CA | 30 | 5 | - |
| River Ranch RV Park | Quincy, CA | 30 | 0 | - |
| Pnf Spanish Creek Cg | Quincy, CA | 30 | 32 | - |
| Paradise Valley MWC | Mountain Center, CA | 30 | 13 | - |
| Twin Pines Boys Ranch | Banning, CA | 30 | 87 | - |
| Keenwild Station - Usfs | San Bernardino, CA | 30 | 33 | - |
| Vista Grande Station - Usfs | San Bernardino, CA | 30 | 37 | - |
| Mission Creek Preserve | Pioneertown, CA | 30 | 20 | - |
| Cliff's Marina | Sacramento, CA | 30 | 8 | - |
| Discovery Park [Sws] | Sacramento, CA | 30 | 2 | - |
| Swabbies | Sacramento, CA | 30 | 14 | - |
| Jean Harvie School [Sws] | Sacramento, CA | 30 | 75 | - |
| Freeport Ventures | Sacramento, CA | 30 | 0 | - |
| San Andreas RV Park | Oakdale, CA | 30 | 9 | - |
| Og Investments, LLC | Yucaipa, CA | 30 | 12 | - |
| Sacred Mountain Inn | Julian, CA | 30 | 10 | - |
| Jacumba Valley Ranch Water Company | San Diego, CA | 30 | 10 | - |
| San Ysidro Health - Mhfm | Campo, CA | 30 | 1 | - |
| Caltrans, Tecate Cvef | Otay Mesa, CA | 30 | 3 | - |
| Hhw&p-Early Intake Cpd-Sfpuc | Burlingame, CA | 30 | 11 | - |
| Cardoza Villa Corp | Manteca, CA | 30 | 21 | - |
| Mokelumne Beach RV Park | Acampo, CA | 30 | 2 | - |
| At&t California - Uer47 | Dallas, CA | 30 | 17 | - |
| Carmelo Industrial Park | Tracy, CA | 30 | 5 | - |