Public Water Systems
158 active public water systems in 10, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Sackman | Suquamish, 10 | 500 | 48 | - |
| Northwood Casino | Deming, 10 | 500 | 250 | - |
| Bia North Idaho | Lapwai, 10 | 490 | 414 | - |
| Two Rivers Resort | Wellpinit, 10 | 480 | 162 | - |
| Siletz | Siletz, 10 | 475 | 36 | - |
| Wellpinit School | Wellpinit, 10 | 473 | 306 | - |
| Wolf Den Restaurant | Wapato, 10 | 462 | 40 | - |
| Nespelem Agency | Nespelem, 10 | 445 | 305 | - |
| Pocatello Airport | Pocatello, 10 | 423 | 379 | Clean |
| Angel of the Winds RV Resort | Arlington, 10 | 384 | 1 | - |
| Omak HUD | Nespelem, 10 | 380 | 529 | - |
| Cuyamaca | Olympia, 10 | 375 | 500 | - |
| Quinault River Inn | Tacoma, 10 | 370 | 134 | - |
| Upper Skagit | Mount Vernon, 10 | 365 | 40 | - |
| Desmet | Plummer, 10 | 355 | 123 | - |
| Simnasho Schoolie | Warm Springs, 10 | 350 | 335 | - |
| Keller | Nespelem, 10 | 340 | 507 | - |
| Kalispel | Usk, 10 | 330 | 66 | - |
| McCoy Lake | Wellpinit, 10 | 325 | 433 | - |
| Kiana Lodge | Suquamish, 10 | 320 | 11 | - |
| Campbell Farm | Wapato, 10 | 320 | 39 | - |
| Valley Housing LLC | Yakima, 10 | 320 | 0 | - |
| Bannock Peak Store | Fort Hall, 10 | 309 | 48 | - |
| Topp Mart | Yakima, 10 | 303 | 9 | - |
| Big Sky N. Subdivision | Pocatello, 10 | 300 | 223 | - |
| Nooksack Market | Deming, 10 | 300 | 170 | - |
| Parker | Toppenish, 10 | 300 | 249 | - |
| Martha Boardman | Wellpinit, 10 | 295 | 542 | - |
| Rocky River Road Community Site | Nespelem, 10 | 260 | 326 | - |
| Road Warrior | Wapato, 10 | 250 | 18 | - |
| South Lapwai | Lapwai, 10 | 235 | 121 | - |
| Fort Simcoe Job Corps Ctr | White Swan, 10 | 230 | 678 | - |
| Paschal Sherman Indian School | Washington, 10 | 220 | 195 | - |
| Elwha Heights | Port Angeles, 10 | 216 | 69 | - |
| Stillaguamish Village | Mount Vernon, 10 | 210 | 16 | - |
| Lake Quinault School Dist. 97 | Amanda Park, 10 | 210 | 379 | - |
| Qui Nai Elt Village | Taholah, 10 | 207 | 479 | - |
| Indian Lake Campground | Pendleton, 10 | 200 | 30 | - |
| Kamiah | Lapwai, 10 | 200 | 160 | - |
| Rivers West RV Park (Uiuc) | Canyonville, 10 | 200 | 2 | - |
| Queets | Taholah, 10 | 200 | 577 | - |
| Shoalwater Bay | Tokeland, 10 | 198 | 61 | Clean |
| WA He Lut Indian School | Washington, 10 | 175 | 114 | - |
| Olympic Park Trailer Court | Olympia, 10 | 169 | 390 | - |
| Ford-Newhouse Lane | Wellpinit, 10 | 160 | 378 | - |
| Satus Shaker Church | Toppenish, 10 | 160 | 0 | - |
| Rainbow Beach Resort | Nespelem, 10 | 158 | 112 | - |
| Burns Paiute | Burns, 10 | 155 | 407 | - |
| 5 Cedars | Deming, 10 | 150 | 293 | - |
| Rutsatz Road | Deming, 10 | 150 | 187 | - |