Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Mira Loma High Desert Hospital | Castaic, CA | 500 | 2 | - |
| Lake Isabella Community Services Dist | Shafter, CA | 500 | 15 | - |
| Whitney Portal | Bishop, CA | 500 | 12 | - |
| Diaz Lake Campground | Independence, CA | 500 | 23 | - |
| Millpond Recreation Area | Independence, CA | 500 | 32 | - |
| Pilot Knob RV Resort | Tampa, CA | 500 | 12 | - |
| Prairie Creek Sp-State Parks | Eureka, CA | 500 | 0 | - |
| Kings River Packing Company | Sanger, CA | 500 | 35 | - |
| Sommerville Almond Tree Owners Assn | Zephyr Cove, CA | 500 | 0 | - |
| Sierra Tahoe Grandview | Twin Bridges, CA | 500 | 11 | - |
| Jalapenos Water System | South Lake Tahoe, CA | 500 | 1 | - |
| Chico Eastside Little League | Chico, CA | 500 | 12 | - |
| Helwig Winery | Plymouth, CA | 500 | 5 | - |
| Silver Lake Campground | Hollister, CA | 500 | 11 | - |
| Kirkwood Sunrise Grill | Kirkwood, CA | 500 | 0 | - |
| Tacna Water Improvement District | Yuma, AZ | 500 | 0 | - |
| Escapees at North Ranch | Williams, AZ | 500 | 74 | - |
| Silver Bell Army Heliport | Phoenix,, AZ | 500 | 144 | - |
| Town of Florence - Rodeo Well | Florence, AZ | 500 | 0 | - |
| Trails West MHP | Tucson, AZ | 500 | 78 | - |
| White Hills Carl's JR | Las Vegas, AZ | 500 | 0 | - |
| Carioca Tc # 11 - Wickieup | Phoenix, AZ | 500 | 28 | - |
| Orangewood Mobile Home Park | Phoenix, AZ | 500 | 111 | - |
| Carioca Shell #99 | Phoenix, AZ | 500 | 0 | - |
| Clints Well Gas and Go | Happy Jack, AZ | 500 | 69 | - |
| Ozarks RV Resort Owners Association | Oak Grove, AR | 500 | 19 | - |
| Kwik Serv | Hardy, AR | 500 | 131 | - |
| Camp Kia Kima | Hardy, AR | 500 | 62 | - |
| Branch Water Works | Branch, AR | 500 | 173 | - |
| Fcmtc Waterworks | Fort Chaffee, AR | 500 | 23 | - |
| Tok Civic Center | Tok, AK | 500 | 44 | - |
| Nsb Sa-10 Truck 19523 | Deadhorse, AK | 500 | 0 | - |
| Nsb Sa-10 Truck 19522 | Deadhorse, AK | 500 | 0 | - |
| Worely Water Tanker #30028 | Anchorage, AK | 500 | 3 | - |
| Fnsb Birch Hill Ski Lodge | Fairbanks, AK | 500 | 25 | - |
| Bethel Church | Fairbanks, AK | 500 | 45 | - |
| Silver Bay Seafoods Naknek | Naknek, AK | 500 | 17 | - |
| Trapper Creek Watering Point | Trapper Creek, AK | 500 | 7 | - |
| Northwood Casino | Deming, 10 | 500 | 250 | - |
| Sackman | Suquamish, 10 | 500 | 48 | - |
| Bay City Waterworks | Bay City, WI | 499 | 29 | - |
| Silver Hawk | Port Orchard, WA | 499 | 0 | - |
| Coral World | VI | 499 | 5 | - |
| Tyler Pipe Company | Tyler, TX | 499 | 16 | - |
| Wickson Sud Wheelock | Bryan, TX | 499 | 12 | - |
| Timber Lake | Timber Lake, SD | 499 | 207 | - |
| White | White, SD | 499 | 15 | - |
| Karns Food | Mechanisburg, PA | 499 | 525 | - |
| Purchase Line South Elem Sch | Commodore, PA | 499 | 142 | - |
| Orchard Hills Apts | Mexico, PA | 499 | 231 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).