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 |
|---|---|---|---|---|
| Waukena Market | Tulare, CA | 100 | 235 | - |
| People's Food and Deli Inc. | Dinuba, CA | 100 | 207 | - |
| Usace-Slick Rock Day Use | Lemon Cove, CA | 100 | 2 | - |
| Brandt Farms, Inc | Reedley, CA | 100 | 6 | - |
| Vision Calvary Chapel | Linsday, CA | 100 | 0 | - |
| Usfs Groveland Ranger Stn. | Sonora, CA | 100 | 29 | - |
| Usfs Dardanelle Camp Brightmn | Pinecrest, CA | 100 | 24 | - |
| Kennedy Meadows Resort | Sonora, CA | 100 | 30 | - |
| Usfs Hull Creek Campgd | Sonora, CA | 100 | 5 | - |
| Usbr-Admin Center | Sonora, CA | 100 | 9 | - |
| Solano Verde Mutual Water Co | Camarillo, CA | 100 | 7 | - |
| Bouquet Multimedia | Oxnard, CA | 100 | 8 | - |
| Ventura Farms | Thousand Oaks, CA | 100 | 34 | - |
| Excel Gas and Market | Tracy, CA | 100 | 72 | - |
| Cache Creek Canyon-Middle Site | Woodland, CA | 100 | 58 | - |
| North Yuba Little League | Browns Valley, CA | 100 | 0 | - |
| Dollar General - Loma Rica | Lenexa, CA | 100 | 0 | - |
| Fairway Downs Mutual Water Co | Plumas Lake, CA | 100 | 11 | - |
| Yuba River Moulding & Millwork | Yuba City, CA | 100 | 2 | - |
| Riselen Park | Sacramento, CA | 100 | 13 | - |
| Lake Francis Resort | Dobbins, CA | 100 | 5 | - |
| Lili Valley Water Co. | West Point, CA | 99 | 53 | - |
| Dunrovin Mobile Home Village | Concord, CA | 99 | 71 | - |
| Anglers Subdivision 4 | Bethel Island, CA | 99 | 11 | - |
| Cali Lake RV Resort | Marina del Ray, CA | 99 | 8 | - |
| Azteca Milling LP Valley Grain | Madera, CA | 99 | 17 | - |
| Piazza Winery | Napa, CA | 99 | 0 | - |
| Cairdean Winery | St. Helena, CA | 99 | 2 | - |
| Resthaven Mobile Home Park | Irvine, CA | 99 | 25 | - |
| Safari West | Santa Rosa, CA | 99 | 10 | - |
| Bend Mobilehome & RV Park | Yorba Linda, CA | 99 | 11 | - |
| Covington Mill MWC-Division B | Trinity Center, CA | 99 | 15 | - |
| Alturas Fillmore MHP | Irvine, CA | 99 | 25 | - |
| Harris Farms/Horse Barn | Coalinga, CA | 98 | 151 | - |
| St Nicholas Ranch & Retreat | Squaw Valley, CA | 98 | 134 | - |
| Five Points Ranch | Five Points, CA | 98 | 24 | - |
| Evergreen Mutual Water Company | Lancaster, CA | 98 | 9 | - |
| Watsonville Produce Inc | Moss Landing, CA | 98 | 19 | - |
| Union Heights MWC | Hollister, CA | 98 | 28 | - |
| Grier Mutual Water Company | Springville, CA | 98 | 16 | - |
| Wilbur Hot Springs | Williams, CA | 97 | 6 | - |
| Valley View Estates Mutual Water Co | Keene, CA | 97 | 47 | - |
| Flrish Farms WS | Salinas, CA | 97 | 1 | - |
| Big Springs Mutual Water System | Old Station, CA | 97 | 8 | - |
| Sikh Temple Modesto-Ceres | Ceres, CA | 97 | 14 | - |
| Long Barn Property Owners | Long Barn, CA | 97 | 10 | - |
| Hunter Valley Csd | Klamath, CA | 96 | 9 | - |
| Upper Line Creek Imprvmnt Assn | Selma, CA | 96 | 8 | - |
| San Clemente Rancho WS | Carmel, CA | 96 | 14 | - |
| Cal Am Water Company - Ralph Lane | Pacific Grove, CA | 96 | 14 | - |