Public Water Systems
4,557 active public water systems in WA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Fields Point - Chelan RD | Chelan, WA | 200 | 7 | - |
| Klahanie Campground | Olympia, WA | 200 | 0 | - |
| Beacon Rock State Park Gp Cg | Stevenson, WA | 200 | 18 | - |
| Jblm (Gc) | Joint Base Lewis-McChord, WA | 199 | 1 | - |
| Deception Pass Sp - Cornet Bay | Oak Harbor, WA | 199 | 11 | - |
| Mountain Park Water System | Gig Harbor, WA | 198 | 7 | - |
| Hillcrest Mobile Home Park | Lakewood, WA | 198 | 17 | - |
| Iglesia Bethel | Othello, WA | 197 | 27 | - |
| Ice Harbor Dam | Pasco, WA | 197 | 658 | - |
| Lwwsd - Eagleridge | Bellingham, WA | 196 | 2 | - |
| Sundquist Sunnyslope Domestic | Yakima, WA | 196 | 3 | - |
| Port Orchard Nazarene Church | Port Orchard, WA | 195 | 27 | - |
| Bible Baptist Church | Oak Harbor, WA | 195 | 18 | - |
| Honeymoon Lake | Arlington, WA | 195 | 34 | - |
| Polnell Shores Comm Org Inc | Coupeville, WA | 195 | 52 | - |
| Tolmie Park 239 | Lacey, WA | 195 | 19 | - |
| Harris Custer Estates Water Assn | Coupeville, WA | 194 | 9 | - |
| Latah Town Of | Waverly, WA | 194 | 42 | - |
| Maple Falls Water Coop | Maple Falls, WA | 194 | 217 | - |
| Crescent Bar Resort | Wenatchee, WA | 193 | 31 | - |
| Finisterre Heights Water System | Mount Vernon, WA | 193 | 6 | - |
| Blalock Orchards Dist 12 | Walla Walla, WA | 193 | 13 | - |
| Lee | Tacoma, WA | 193 | 32 | - |
| Metaline Water Dept | Metaline, WA | 193 | 369 | - |
| Outlaw Camp | Cle Elum, WA | 193 | 0 | - |
| Yak Co - Crewport | Yakima, WA | 192 | 114 | - |
| North Fork Brewery | Deming, WA | 192 | 28 | - |
| Sun Village Resort LLC | Moses Lake, WA | 192 | 44 | - |
| Woodland Manor | Union, WA | 192 | 15 | - |
| Sundquist TWH-Terrace Heights | Yakima, WA | 192 | 3 | - |
| Vuecrest | Union, WA | 191 | 63 | - |
| Discovery Bay Village | Sequim, WA | 191 | 219 | - |
| Marcus Water Dept | WA | 191 | 54 | - |
| Worldmark Resort at Deer Harbor | Eastsound, WA | 190 | 8 | - |
| Kitsap West Mhc Water Co | Port Orchard, WA | 190 | 47 | - |
| Pineloch Sun Beach Club | Ronald, WA | 190 | 47 | - |
| Seabold United Methodist Church | Port Orchard, WA | 190 | 2 | - |
| Beacon Hill East | Longview, WA | 190 | 0 | - |
| Maryhill Winery | Goldendale, WA | 189 | 18 | - |
| Clark Addition Water System | Pasco, WA | 189 | 6 | - |
| Richardson Water Company | Yakima, WA | 188 | 43 | - |
| Harbor Heights | Tacoma, WA | 188 | 1 | - |
| Ridgewood 609 | Lacey, WA | 188 | 71 | - |
| Sun Harbor SW | Kennewick, WA | 188 | 3 | - |
| Djs Country Market Inc | Tenino, WA | 187 | 17 | - |
| Sun Harbor Water District #3 | Burbank, WA | 187 | 406 | - |
| Cedar Ridge 617 | Lacey, WA | 186 | 17 | - |
| Country Club Estates Water System | Moses Lake, WA | 186 | 154 | - |
| Maryhill Museum of Art | Goldendale, WA | 186 | 25 | - |
| Newaukum Ventures | Napavine, WA | 186 | 43 | - |