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 |
|---|---|---|---|---|
| Peach Growers Tract Improv Assoc | Vacaville, CA | 60 | 4 | - |
| Usfs Beardsley Picnic Ground | Sonora, CA | 60 | 30 | - |
| Bumblebee Tract Imp Assoc | Berkeley, CA | 60 | 33 | - |
| Sonora East Center | Sonora, CA | 60 | 7 | - |
| Usfs Lost Claim | Sonora, CA | 60 | 6 | - |
| Casa Ruiz | Woodland, CA | 60 | 45 | - |
| Husicks | Clarksburg, CA | 60 | 2 | - |
| Plainfield Station | Woodland, CA | 60 | 13 | - |
| Sakata Seed Woodland Station | Woodland, CA | 60 | 0 | - |
| Sherwood Harbor Marina | Clarksburg, CA | 60 | 2 | - |
| Lake Francis Mutual Water Company | Dobbins, CA | 60 | 5 | - |
| Rebel Ridge Village | Camptonville, CA | 60 | 9 | - |
| Loma Rica Market | Loma Rica, CA | 60 | 4 | - |
| Brookside Estates Mutual Water Company | Bishop, CA | 59 | 13 | - |
| Mount Kare Camp/Kare Youth League | Wrightwood, CA | 59 | 0 | - |
| Chetmoore Acres WA | Royal Oaks, CA | 59 | 32 | - |
| Glen Oaks WS #01 | Big Sur, CA | 59 | 3 | - |
| Thimio MWC | Prunedale, CA | 59 | 18 | - |
| Tahquitz Pines | Idyllwild, CA | 59 | 16 | - |
| Santa Rita Water | Lompoc, CA | 59 | 26 | - |
| Morton's Warm Springs / Sonoma Springs | Glen Ellen, CA | 59 | 36 | - |
| Foley Sonoma Winery | Santa Rosa, CA | 59 | 4 | - |
| Delores Lane Water System | Santa Rosa, CA | 59 | 12 | - |
| Leland Meadow Water District | Milpitas, CA | 59 | 11 | - |
| Humboldt Highlands Mutual | Forest Ranch, CA | 58 | 7 | - |
| Jed Smith Homeowners Assn. | Crescent City, CA | 58 | 7 | - |
| Black Bear Lodge | South Lake Tahoe, CA | 58 | 21 | - |
| Holland Hulling Company | Kerman, CA | 58 | 44 | - |
| Delight's Hot Springs Resort | Tecopa, CA | 58 | 10 | - |
| Queen's Inn by the River | Oakhurst, CA | 58 | 5 | - |
| Ryel Family Trust | Merced, CA | 58 | 4 | - |
| Growers Transplanting WS | Salinas, CA | 58 | 81 | - |
| Rancho Chaparral MWC | Big Sur, CA | 58 | 57 | - |
| Saddle Mountain WS | Carmel, CA | 58 | 33 | - |
| Tierra Meadows HOA WS | Salinas, CA | 58 | 33 | - |
| Dakota Shy Winery | St. Helena, CA | 58 | 16 | - |
| Paradise Valley Cafe | Winchester, CA | 58 | 9 | - |
| Rileys Place | San Bernardino, CA | 58 | 27 | - |
| Los Ranchos de Uvas Water Company | Gilroy, CA | 58 | 12 | - |
| Field Sports Park/Coyote Ranch | San Jose, CA | 58 | 1 | - |
| The Yubaverse | Fairfax, CA | 58 | 25 | - |
| La Hacienda del Toro | Santa Rosa, CA | 58 | 5 | - |
| South Mountain Mutual Water Co | Santa Paula, CA | 58 | 41 | - |
| Ebrpd Morgan Territory | Oakland, CA | 57 | 0 | - |
| Tuttle Creek Campground | Bishop, CA | 57 | 15 | - |
| The Painted Turtle Camp | Lake Hughes, CA | 57 | 10 | - |
| Woodland Heights MWC | Prunedale, CA | 57 | 57 | - |
| Cahuilla Mountain Market & Cafe | Anza, CA | 57 | 37 | - |
| Toyota San Luis Obispo | Santa Maria, CA | 57 | 9 | - |
| Camp St Francis | Aptos, CA | 57 | 8 | - |