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 |
|---|---|---|---|---|
| Royal Ridges Retreat Lower Camp | Battle Ground, WA | 257 | 12 | - |
| Surfcrest Properties LLC | Port Orchard, WA | 256 | 8 | - |
| Walczak 620 | Lacey, WA | 256 | 94 | - |
| Union Food Mart | Olympia, WA | 255 | 13 | - |
| Parker Spring Acres Water Assoc | Moses Lake, WA | 255 | 26 | - |
| Pilaguamish Community Club | Granite Falls, WA | 255 | 19 | - |
| Eason Dan B | Shelton, WA | 254 | 43 | - |
| Burlington KOA | Burlington, WA | 254 | 9 | - |
| Eagle Harbor Marina | Bainbridge Island, WA | 254 | 30 | - |
| Lake Tyee | Mount Vernon, WA | 254 | 38 | - |
| Stevens Co PUD - Addy | Loon Lake, WA | 253 | 7 | - |
| Cypress Country Estates | Othello, WA | 253 | 45 | - |
| South Bay Market and Deli | Port Orchard, WA | 253 | 28 | - |
| 97 Rock House WS | Yakima, WA | 253 | 10 | - |
| Hydro Irrigation District No 9 | Walla Walla, WA | 252 | 8 | - |
| Lone Fir Bar and Grill LLC | Woodland, WA | 252 | 8 | - |
| Rogers Water System | Nine Mile Falls, WA | 251 | 3 | - |
| Emerald Heights | Port Orchard, WA | 251 | 27 | - |
| Walts Meats | Woodland, WA | 251 | 326 | - |
| Deer Creek Water Assn/Guide South | Bellingham, WA | 251 | 8 | - |
| Sullivan Lake Complex | Colville, WA | 251 | 53 | - |
| Prairie Ridge 605 | Lacey, WA | 250 | 15 | - |
| Lamb Weston - Paterson | Paterson, WA | 250 | 821 | - |
| Great Western Mobile Home Park | Vancouver, WA | 250 | 75 | - |
| Blalock Orchard Dist 10 | Walla Walla, WA | 250 | 58 | - |
| Coleman Butte Water Assn | Tonasket, WA | 250 | 48 | - |
| Sunrise Water Association | Moses Lake, WA | 250 | 44 | - |
| Eagle Ridge | Arlington, WA | 250 | 52 | - |
| Spokane Christian Center | Spokane, WA | 250 | 22 | - |
| Aqua Copia/Horse Country Estates | Snohomish, WA | 250 | 83 | - |
| Nisqually Valley Moose 1905 | Yelm, WA | 250 | 26 | - |
| Percie Road Water Association | Custer, WA | 250 | 56 | - |
| Samish Grade School | Mount Vernon, WA | 250 | 31 | - |
| Washtucna Water Department | Washtucna, WA | 250 | 76 | - |
| Western Ranchettes Inc. | Black Diamond, WA | 250 | 82 | - |
| Ravenwing Ranch | Seattle, WA | 250 | 0 | - |
| WSDP Seven Mile Riverside State Prk | Nine Mile Falls, WA | 250 | 0 | - |
| Hartline Water System | Yakima, WA | 249 | 69 | - |
| Coyle | Port Townsend, WA | 249 | 296 | - |
| Cougar Park and Campground | Woodland, WA | 248 | 1 | - |
| Pinecroft Mobile Home Park | Port Orchard, WA | 248 | 50 | - |
| Field of Dreams | Port Orchard, WA | 247 | 62 | - |
| Camano City Community Club Inc | Mount Vernon, WA | 246 | 63 | - |
| Tempo Lake Water Co | Port Orchard, WA | 246 | 3,044 | - |
| Marbello | Port Orchard, WA | 245 | 10 | - |
| Metz Community & RV LLC | Port Orchard, WA | 245 | 77 | - |
| Mill Pond Community LLC | Port Orchard, WA | 245 | 92 | - |
| Spring Glen Association | Fall City, WA | 245 | 650 | - |
| Pederson Harold Well | Tacoma, WA | 244 | 17 | - |
| Crescent View Condominium Owners | Quincy, WA | 243 | 34 | - |