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 |
|---|---|---|---|---|
| Mariners Cove Beach Club Inc | Coupeville, WA | 300 | 26 | - |
| Selah Hills Homeowners Cooperative | Yakima, WA | 300 | 19 | - |
| Tri-City Water District #45 | Kennewick, WA | 300 | 357 | - |
| OALC Davenport | Tonasket, WA | 300 | 0 | - |
| Spokane River Rest Area | Spokane, WA | 300 | 10 | - |
| Gull Harbor Mercantile Inc | Shelton, WA | 299 | 19 | - |
| Andrews First | Tacoma, WA | 299 | 5 | - |
| Conconully City Well | Conconully, WA | 299 | 17 | - |
| Arlington Lds Church | Mount Vernon, WA | 299 | 18 | - |
| Stanwood Deli & Gas | Tacoma, WA | 299 | 61 | - |
| Lazy C | Port Townsend, WA | 297 | 9 | - |
| Cro Farms Inc | Rock Island, WA | 297 | 110 | - |
| Lacrosse Town Of | Lacrosse, WA | 297 | 39 | - |
| Kings Way Foursquare | Sequim, WA | 296 | 35 | - |
| Sun Meadows | Sequim, WA | 295 | 13 | - |
| Midway Mini-Mart | Quincy, WA | 293 | 18 | - |
| Skyline Water System Inc | Moses Lake, WA | 293 | 44 | - |
| South Kitsap Little League | Olalla, WA | 293 | 24 | - |
| Desert Canyon Domestic Water System | Orondo, WA | 292 | 281 | - |
| Palouse Falls State Park | Dayton, WA | 292 | 11 | - |
| Bauers Landing Lodge | Cashmere, WA | 291 | 4 | - |
| New Utsalady Water System Inc | Stanwood, WA | 291 | 78 | - |
| Lineage Logistics | Salem, WA | 290 | 11 | - |
| Peterson Farms | Woodland, WA | 290 | 547 | - |
| Cougar Crest | Port Orchard, WA | 290 | 36 | - |
| McKees Beach Assoc | Mount Vernon, WA | 290 | 20 | - |
| Hunters Water District | Colville, WA | 290 | 188 | - |
| Northport Water System | Northport, WA | 290 | 31 | - |
| Shorecrest | Tacoma, WA | 289 | 34 | - |
| Phillips 66 Company | Ferndale, WA | 288 | 8 | - |
| Plymouth Water District | West Richland, WA | 288 | 633 | - |
| Maggie Lake Water District | Tahuya, WA | 287 | 120 | - |
| Camano Hills Water Company Inc | Coupeville, WA | 286 | 71 | - |
| Colony Surf Water Supply | Lilliwaup, WA | 285 | 37 | - |
| Farm Boy Drive IN | Shelton, WA | 285 | 18 | - |
| Goss Lake Park Community | Coupeville, WA | 285 | 61 | - |
| Cedar Glen Mobile Home Park | Port Orchard, WA | 284 | 19 | - |
| Dashmesh Petroleum | Napavine, WA | 284 | 49 | - |
| Port of Shelton Sanderson Field | Shelton, WA | 283 | 23 | - |
| Indian Hills Estates | Poulsbo, WA | 282 | 67 | - |
| Outlook Community Water | Yakima, WA | 282 | 111 | - |
| Camp Nor Wester | Roche Harbor, WA | 281 | 3 | - |
| Yale Village / Saddle Dam Park | Woodland, WA | 281 | 0 | - |
| Federation Forest State Park | Auburn, WA | 281 | 7 | - |
| Marys Garden | Yakima, WA | 280 | 16 | - |
| Walla Walla Airport | Walla Walla, WA | 280 | 36 | - |
| Whitstran Elementary School | Yakima, WA | 280 | 40 | - |
| Yakima Training Center - Pomona | Yakima, WA | 280 | 65 | - |
| Griffith Priday State Park | Ocean Shores, WA | 280 | 8 | - |
| Kayak Point Golf Course | Snohomish, WA | 279 | 30 | - |