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 |
|---|---|---|---|---|
| Del Oro Water Co.-Stirling Bluffs | Chico, CA | 521 | 14 | - |
| Sun Oaks Racquet Club | Redding, CA | 521 | 6 | - |
| Heavenly Ski Sky Deck | Stateline, CA | 520 | 2 | - |
| Heavenly Ski Gondola | Stateline, CA | 520 | 10 | - |
| Campos Bros. Farms | Caruthers, CA | 520 | 38 | - |
| Usfs - Paradise Cove Campground | Overland Park, CA | 520 | 10 | - |
| Psmcsd - Moss Landing Harbor WS | Royal Oaks, CA | 520 | 8 | - |
| West Palm Springs Village | Desert Hot Springs, CA | 517 | 6 | - |
| Frazier Mountain High School | Lebec, CA | 516 | 41 | - |
| Rio del Colorado | Parker Dam, CA | 515 | 24 | - |
| June Mountain Ski Area - Lower | Mammoth Lakes, CA | 514 | 53 | - |
| June Mountain Ski Area - Upper | Mammoth Lakes, CA | 514 | 20 | - |
| Colusa Co. Wwd #1 - Grimes | Grimes, CA | 512 | 104 | - |
| Madera District Fair | Madera, CA | 512 | 12 | - |
| Indian Creek Golf Course | Loomis, CA | 512 | 11 | - |
| Indianola School | Selma, CA | 511 | 15 | - |
| Burger King #9310 | Los Angeles, CA | 510 | 1 | - |
| Starlite Pines Mutual Water Co Inc | Shingletown, CA | 510 | 6 | - |
| Uvas Canyon County Park | San Jose, CA | 509 | 24 | - |
| Studios 6 Suites | Madera, CA | 508 | 20 | - |
| Tesoro 68137 | Dallas, CA | 508 | 2 | - |
| North Tahoe PUD - Dollar Cove | Tahoe Vista, CA | 507 | 4 | - |
| HI Sahara Oasis | Bullhead City, CA | 507 | 4 | - |
| Cajon Pass Shell | Upland, CA | 507 | 2 | - |
| Jenness Park Christian Camp | Cold Springs, CA | 507 | 8 | - |
| Antelope Valley Indian Museum State Park | Lancaster, CA | 506 | 2 | - |
| Cabana Holiday WS | Irvine, CA | 506 | 9 | - |
| Bartlett Park | Visalia, CA | 506 | 51 | - |
| Costajo Arco Ampm | Bakersfield, CA | 505 | 34 | - |
| Angeles Shooting Ranges | Sylmar, CA | 505 | 16 | - |
| Mountain Meadows MWC | Mammoth Lakes, CA | 505 | 30 | - |
| Camp Tawonga | San Francisco, CA | 505 | 1 | - |
| Krista Mutual Water Company | Frazier Park, CA | 504 | 44 | - |
| Csp - Mt Tam Theatre Well | Petaluma, CA | 504 | 5 | - |
| Csp - Tomales Bay St Park | Petaluma, CA | 503 | 2 | - |
| Csp-Standish Hickey State Rec Area | Eureka, CA | 503 | 9 | - |
| Whitewater Preserve | White Water, CA | 503 | 13 | - |
| White Lotus | Santa Barbara, CA | 503 | 0 | - |
| Csp-Wrights Beach State Park | Mendocino, CA | 502 | 4 | - |
| Kirkwood Sunrise Grill | Kirkwood, CA | 500 | 0 | - |
| Silver Lake Campground | Hollister, CA | 500 | 11 | - |
| Helwig Winery | Plymouth, CA | 500 | 5 | - |
| Chico Eastside Little League | Chico, CA | 500 | 12 | - |
| Jalapenos Water System | South Lake Tahoe, CA | 500 | 1 | - |
| Sierra Tahoe Grandview | Twin Bridges, CA | 500 | 11 | - |
| Sommerville Almond Tree Owners Assn | Zephyr Cove, CA | 500 | 0 | - |
| Kings River Packing Company | Sanger, CA | 500 | 35 | - |
| Prairie Creek Sp-State Parks | Eureka, CA | 500 | 0 | - |
| Pilot Knob RV Resort | Tampa, CA | 500 | 12 | - |
| Millpond Recreation Area | Independence, CA | 500 | 32 | - |