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 |
|---|---|---|---|---|
| Sunny Road Water System | El Monte, CA | 34 | 86 | - |
| J M Sims Water Supply | San Luis Obispo, CA | 34 | 0 | - |
| Uc Elkus Ranch | Half Moon Bay, CA | 34 | 30 | - |
| Mesa Hills Mutual Water Company | Solvang, CA | 34 | 13 | - |
| Reforestation Technologies International | Gilroy, CA | 34 | 5 | - |
| Shasta Lake Motel | Lakehead, CA | 34 | 10 | - |
| Exodus Farms | Anderson, CA | 34 | 0 | - |
| Larkin Woods Mutual Water Company | Sebastopol, CA | 34 | 0 | - |
| Sonoma County Pub Works-Central Landfill | Petaluma, CA | 34 | 5 | - |
| Madrona Manor | Healdsburg, CA | 34 | 2 | - |
| Flux River Resort | Lewiston, CA | 34 | 14 | - |
| Corral Creek Resort | Compton, CA | 34 | 9 | - |
| Carson River Resort | Markleeville, CA | 33 | 0 | - |
| Moonstone Heights Mwa | Trinidad, CA | 33 | 27 | - |
| Blu-IN Cafe | Ventura, CA | 33 | 17 | - |
| Center of the World | Felicity, CA | 33 | 20 | - |
| Opal Fry and Son | Bakersfield, CA | 33 | 13 | - |
| Rankin Ranch | Caliente, CA | 33 | 11 | - |
| Holliday Rock Plant #2 | Upland, CA | 33 | 22 | - |
| New Legend Logistics | Yuba City, CA | 33 | 4 | - |
| Rancho Seco Inc. Water System | Cantil, CA | 33 | 16 | - |
| Hillview Packing-Gustine | Gustine, CA | 33 | 0 | - |
| Royal Oaks Market WS | Watsonville, CA | 33 | 0 | - |
| Quintessa Winery Water System | Saint Helena, CA | 33 | 0 | - |
| Arlington Heights MHP | Live Oak, CA | 33 | 44 | - |
| Lincoln Chan-Home Ranch | Courtland, CA | 33 | 20 | - |
| Aromas Hills Mutual Water Association | Aromas, CA | 33 | 12 | - |
| La Honda Center | Woodside, CA | 33 | 17 | - |
| Gazos Creek Beach House | Half Moon Bay, CA | 33 | 3 | - |
| Vo Uu Buddhist Meditation Association | San Martin, CA | 33 | 0 | - |
| Mountain View Plaza Water System | Shingletown, CA | 33 | 0 | - |
| Boisset - de Loach Winery | Santa Rosa, CA | 33 | 28 | - |
| Fort Ross Lodge, LLC | CA | 33 | 6 | - |
| Speedway Sonoma LLC | Sonoma, CA | 33 | 9 | - |
| Aperture Cellars | Healdsburg, CA | 33 | 0 | - |
| Desotec US LLC | Red Bluff, CA | 33 | 2 | - |
| Village Apartments | Three Rivers, CA | 33 | 26 | - |
| Holland Market | Clarksburg, CA | 33 | 0 | - |
| Shay Creek HOA | Carmichael, CA | 32 | 25 | - |
| Rivers End Marina | Discovery Bay, CA | 32 | 31 | - |
| Awa - Tiger Creek Powerhouse | Sutter Creek, CA | 32 | 3 | - |
| Andis Wines | Plymouth, CA | 32 | 0 | - |
| Colonia Santa Maria | Brentwood, CA | 32 | 14 | - |
| Sunnyslope Campgrounds | Sanger, CA | 32 | 14 | - |
| Sierra Endangered Cat Haven | Dunlap, CA | 32 | 22 | - |
| Haykingdom, Inc. | Imperial, CA | 32 | 7 | - |
| Control Gorge Power Plant Ladwp | Los Angeles, CA | 32 | 24 | - |
| Frontier Trails Homeowners Assoc Inc. | Kernville, CA | 32 | 15 | - |
| Nord Road Water Association | Bakersfield, CA | 32 | 208 | - |
| Kern River's Edge Campground Retreat | Kernville, CA | 32 | 2 | - |