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 |
|---|---|---|---|---|
| Rosemount | Gig Harbor, WA | 320 | 6 | - |
| Swantown Water District | Freeland, WA | 318 | 41 | - |
| Clear Lake Water District | Port Orchard, WA | 317 | 21 | - |
| Loveland Mobile Estates | Port Orchard, WA | 317 | 119 | - |
| Nisqually Sportsmens Club | Port Orchard, WA | 317 | 12 | - |
| Port of Vancouver | Vancouver, WA | 317 | 32 | - |
| Purdy Shopping Center | Port Orchard, WA | 317 | 4 | - |
| Curlew Water & Sewer District | Republic, WA | 316 | 66 | - |
| West Mesa Domestic Water Assn | Othello, WA | 316 | 244 | - |
| Sunwood Graham | Port Orchard, WA | 315 | 92 | - |
| Springdale Town Of | Springdale, WA | 315 | 205 | - |
| Taylor Station | Port Orchard, WA | 314 | 21 | - |
| Huff and Puff Drive IN | Randle, WA | 313 | 26 | - |
| Stratford Road Estates | Moses Lake, WA | 312 | 186 | - |
| Cowlitz Food and Fuel | Toledo, WA | 312 | 7 | - |
| Driftwood Heights Association | Coupeville, WA | 311 | 23 | - |
| Steamboat Square | Port Orchard, WA | 310 | 74 | - |
| Beachcomber H2o Co | Freeland, WA | 310 | 645 | - |
| Canyon Village Water System Inc | Yakima, WA | 310 | 263 | - |
| Camano Laguna Vista Water Assoc | Stanwood, WA | 310 | 54 | - |
| Evergreen Elementary School | Gig Harbor, WA | 310 | 1 | - |
| Sunshine | Port Orchard, WA | 309 | 14 | - |
| Ocean Shores Outdoor Club | Ocean Shores, WA | 309 | 16 | - |
| Paradise Estates Water Dept Inc | Ashford, WA | 309 | 214 | - |
| Cedar Springs Camp | Lake Stevens, WA | 308 | 47 | - |
| Terry Lane 354 | Lacey, WA | 308 | 9 | - |
| Green Acres Orchard | Mattawa, WA | 308 | 0 | - |
| Marblemount Ranger Station | Marblemount, WA | 308 | 15 | - |
| McDonald Well | Yakima, WA | 307 | 5 | - |
| Cattlemens Livestock Exchange | Yelm, WA | 306 | 11 | - |
| Spo Co - Fish Lake Park | Spokane, WA | 306 | 5 | - |
| Riverside SD Chattaroy Elementary | Chattaroy, WA | 306 | 122 | - |
| Wanapum Village | Selah, WA | 305 | 164 | - |
| Theodore Hoss Sports Complex | Rochester, WA | 304 | 47 | - |
| Gifford Campground | Coulee dam, WA | 304 | 2 | - |
| Port Gamble | Poulsbo, WA | 303 | 43 | - |
| South Lewis County Regional Park | Napavine, WA | 303 | 8 | - |
| Littlerock Grocery | Shelton, WA | 303 | 47 | - |
| Touchet School | Walla Walla, WA | 303 | 354 | - |
| Artesian Water District 8 | College Place, WA | 302 | 30 | - |
| Crystal River Ranch Assoc | Greenwater, WA | 302 | 5 | - |
| Parkwood Manor MHP | Coupeville, WA | 301 | 39 | - |
| Schaefer County Park | Napavine, WA | 301 | 21 | - |
| Sunnyview Park | Sunnyside, WA | 300 | 8 | - |
| Fordyce Water Assn | Husum, WA | 300 | 164 | - |
| Kens Korner | Coupeville, WA | 300 | 13 | - |
| Homestead Manufactured Housing | Kennewick, WA | 300 | 130 | - |
| Hillcrest Water Users Assn | Moses Lake, WA | 300 | 56 | - |
| Lewis River Golf Course | Kelso, WA | 300 | 3,259 | - |
| Donnas Mini Market Water System | Arlington, WA | 300 | 17 | - |