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 |
|---|---|---|---|---|
| California Walnuts | Los Molinos, CA | 30 | 2 | - |
| Southern Trinity Health Services, Inc. | Scotia, CA | 30 | 1 | - |
| Sequoia Village Inn | Three Rivers, CA | 30 | 50 | - |
| Rmrc-Belknap Campground | Overland Park, CA | 30 | 6 | - |
| Usfs-Peppermint Work Center | Porterville, CA | 30 | 4 | - |
| Rmrc-Redwood Meadow Campground | Overland Park, CA | 30 | 4 | - |
| Cowpunchers Fountain Springs | Terra Bella, CA | 30 | 130 | - |
| Three Rivers Library | Visalia, CA | 30 | 2 | - |
| Family Tree Farms | Reedley, CA | 30 | 54 | - |
| Grumpy Bears Retreat | Inyokern, CA | 30 | 41 | - |
| Spicer Meadow Campground | Murphys, CA | 30 | 10 | - |
| Krotona Institute | Ojai, CA | 30 | 23 | - |
| Pyramid Flowers | Oxnard, CA | 30 | 18 | - |
| Santa Clara Resources | Carpinteria, CA | 30 | 52 | - |
| Channel Islands National Park | Ventura, CA | 30 | 12 | - |
| Yolo Fruit Stand - Water | Davis, CA | 30 | 45 | - |
| Yolo Sportsmen's Assoc | Woodland, CA | 30 | 13 | - |
| Sweet Diane's | Oregon House, CA | 30 | 0 | - |
| Wini Mutual Water Company | Bakersfield, CA | 29 | 15 | - |
| Los Angeles, City of - Power Plant #1 | Los Angeles, CA | 29 | 20 | - |
| Pg&e Gregg Substation and Gc Yard | Fresno, CA | 29 | 0 | - |
| Shoreline Cottages | Marylhurst, CA | 29 | 30 | - |
| Oxxo Mini Mart | Winton, CA | 29 | 0 | - |
| McGee Creek Lodge | Mammoth Lkes, CA | 29 | 40 | - |
| Pentecostal WS | Salinas, CA | 29 | 79 | - |
| San Saba Winery WS | Soledad, CA | 29 | 2 | - |
| McCahon Floral WS | Royal Oaks, CA | 29 | 23 | - |
| Country Inn, The | Napa, CA | 29 | 43 | - |
| Sivananda Yoga Farm | Grass Valley, CA | 29 | 17 | - |
| Green Acres Mobile Park | San Jose, CA | 29 | 26 | - |
| Nps - Zzyzx Desert Studies Center | Barstow, CA | 29 | 4 | - |
| American Legion Post 751 | Newberry Spring, CA | 29 | 3 | - |
| German Guys | Stockton, CA | 29 | 0 | - |
| Butano Girl Scout Camp | Pescadero, CA | 29 | 36 | - |
| Santa Barbara Pistachio Company | Maricopa, CA | 29 | 6 | - |
| Eleven Confessions Winery | Oakview, CA | 29 | 0 | - |
| Stewarts Point Water System | Stewarts Point, CA | 29 | 15 | - |
| Carneros Deli | Sonoma, CA | 29 | 13 | - |
| Nalle Winery | Healdsburg, CA | 29 | 0 | - |
| Bogle Vineyards Tasting Room | Clarksburg, CA | 29 | 2 | - |
| Ham's Station | Pioneer, CA | 28 | 17 | - |
| Plasse Homestead Water Association | Jackson, CA | 28 | 11 | - |
| Berry Creek Community Service Dist | Oroville, CA | 28 | 42 | - |
| Forest Village LLC | Rescue, CA | 28 | 24 | - |
| Wildwood Acres Resort | Lafayette, CA | 28 | 10 | - |
| Bryant Creek/Fir Tracts Mwa | Menlo Park, CA | 28 | 15 | - |
| The Point at Shaver Lake | Coalinga, CA | 28 | 10 | - |
| Derrel's Mini Storage #66 | Fresno, CA | 28 | 8 | - |
| South Desert Mutual Water Company | Inyokern, CA | 28 | 31 | - |
| North Kranenburg WS | Bakersfield, CA | 28 | 2 | - |