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 |
|---|---|---|---|---|
| Holiday Beach Water Supply | Union, WA | 130 | 33 | - |
| Olympia Campground | Olympia, WA | 130 | 1 | - |
| Maple Glen Community Association | Freeland, WA | 130 | 175 | - |
| Portland Fair Estates | Friday Harbor, WA | 130 | 47 | - |
| Selandia Manor Water Assn | Yakima, WA | 130 | 31 | - |
| Skookumchuck 612 | Lacey, WA | 130 | 290 | - |
| Sydney Heights Water Assn | Walla Walla, WA | 130 | 48 | - |
| Bethany Vineyards | Ridgefield, WA | 130 | 24 | - |
| Andy Creek Cabin Association | Yakima, WA | 129 | 7 | - |
| Ayock Beach Improvement | Shelton, WA | 129 | 10 | - |
| Eagle Valley Campground | Cle Elum, WA | 129 | 14 | - |
| Cushman Inc | Shelton, WA | 129 | 1 | - |
| Riverside Grocery & Cafe Inc. | Washougal, WA | 129 | 4 | - |
| Twenty-Three 800 Tiger Mountain | Port Orchard, WA | 129 | 41 | - |
| Pasayten Peak | Mazama, WA | 129 | 1 | - |
| Klahowya Campground | Olympia, WA | 129 | 11 | - |
| Conconully Sp Primitive Area | Winthrop, WA | 129 | 5 | - |
| Ginkgo State Park-Natural Area | Ellensburg, WA | 129 | 6 | - |
| 79th Ave Community Water Assoc | Puyallup, WA | 128 | 11 | - |
| Radar Hill Water System | Othello, WA | 128 | 119 | - |
| Dobler John D Water System | Port Orchard, WA | 128 | 26 | - |
| Rimrock Cove | Quincy, WA | 128 | 11 | - |
| Sam Lake Improvement Association | Marysville, WA | 128 | 18 | - |
| Snug Harbor Resort Water System | Friday Harbor, WA | 127 | 42 | - |
| Bethel East | Port Orchard, WA | 127 | 45 | - |
| Forest Park | Tacoma, WA | 127 | 7 | - |
| The Meadows Water System LLC | Kirkland, WA | 127 | 47 | - |
| Parklane Water Association | Stanwood, WA | 127 | 94 | - |
| Teronda West Country Club Assn. | Coupeville, WA | 127 | 26 | - |
| Eric G. Sandstrom VFW 969 | Tacoma, WA | 126 | 14 | - |
| Steamboat Island Fuel | Port Orchard, WA | 126 | 9 | - |
| Wanapum Powerplant | Beverly, WA | 126 | 25 | - |
| Sundown M Ranch | Yakima, WA | 126 | 40 | - |
| Meridian Heights Water District | Port Orchard, WA | 126 | 38 | - |
| Mountain Valley Water System | Olympia, WA | 126 | 14 | - |
| Sandwood Heights Subdivision | Woodland, WA | 126 | 189 | - |
| Valley View Mobile Park LLC | Port Orchard, WA | 126 | 12 | - |
| Afc Ranch 2 | Tonasket, WA | 125 | 18 | - |
| Rainier Terrace | Port Orchard, WA | 125 | 14 | - |
| Northwest Vipassana | Napavine, WA | 125 | 7 | - |
| Aloha Pines Estates Water System | Elk, WA | 125 | 20 | - |
| Montessori Country School AP | Suquamish, WA | 125 | 50 | - |
| Spanaway Village Water System | Olympia, WA | 125 | 114 | - |
| Finley Shopper The | Kennewick, WA | 125 | 17 | - |
| Hama Hama Company | Shelton, WA | 125 | 11 | - |
| Isle Aire Beach Association | Maple Falls, WA | 125 | 52 | - |
| Lake Terrill Water Assoc | Lynden, WA | 125 | 27 | - |
| Columbia Place LLC | Portland, WA | 125 | 235 | - |
| Tolmie Cove | Port Orchard, WA | 125 | 23 | - |
| Waterloo Acres Community Water Sys | Oak Harbor, WA | 125 | 21 | - |