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 |
|---|---|---|---|---|
| Olympic Water System | University Place, WA | 75 | 13 | - |
| Tel Company 3 | Freeland, WA | 75 | 2,633 | - |
| Windolph | Port Orchard, WA | 75 | 17 | - |
| Woodland Park Mobil Court | Yakima, WA | 75 | 1,788 | - |
| Walla Walla River Packing & Storage | Walla Walla, WA | 75 | 57 | - |
| Redtail Hawk 616 | Lacey, WA | 75 | 234 | - |
| Olympia Bible | Olympia, WA | 75 | 14 | - |
| Island PTBA Water System | Coupeville, WA | 75 | 25 | - |
| Country Christian Center | Pasco, WA | 75 | 12 | - |
| BT Loftus Ranches Field 19 Well | Yakima, WA | 75 | 5 | - |
| Ahtanum Berry Patch | Yakima, WA | 75 | 0 | - |
| Haynes Acres Division 1 | Olympia, WA | 74 | 49 | - |
| Zittels Marina | Olympia, WA | 74 | 15 | - |
| Paradise Water Assoc | Copalis Beach, WA | 74 | 335 | - |
| Davis Landing Water System | Coupeville, WA | 74 | 8 | - |
| Green Acres Mobile Home Park | Sequim, WA | 74 | 16 | - |
| Admiral Water Users Assn | Moses Lake, WA | 74 | 19 | - |
| The High End | E. Wenatchee, WA | 74 | 55 | - |
| Luana Water Assn. | Port Orchard, WA | 74 | 60 | - |
| Marshall Community Water Assn | Marshall, WA | 74 | 397 | - |
| Rom 626 | Lacey, WA | 74 | 20 | - |
| Tulalip Shores Water System | Arlington, WA | 74 | 47 | - |
| Medicine Creek Winery | Shelton, WA | 74 | 0 | - |
| Stewarts Arena | Port Orchard, WA | 74 | 1 | - |
| Little White Salmon Natl Fish Hatc | Cook, WA | 74 | 3 | - |
| Whidbey Institute | Freeland, WA | 73 | 504 | - |
| Madrona Park | Shelton, WA | 73 | 1 | - |
| Moa Tel | Port Townsend, WA | 73 | 14 | - |
| Silver Lake RD Acreage Tracts | Coupeville, WA | 73 | 56 | - |
| Crescent Bar Outdoor Rec Club | Quincy, WA | 73 | 19 | - |
| Soos Creek Salmon Hatchery | Auburn, WA | 73 | 5 | - |
| Liars Cove | Conconully, WA | 73 | 5 | - |
| Maple Haven | Silverdale, WA | 73 | 78 | - |
| Pioneer Hill West | Poulsbo, WA | 73 | 151 | - |
| Pleasant Valley Water System | Ferndale, WA | 73 | 64 | - |
| Rae Lake | Shelton, WA | 73 | 148 | - |
| Steamboat Island Inc | Port Orchard, WA | 73 | 32 | - |
| Schoonover Hutterian Brethren | Odessa, WA | 73 | 95 | - |
| High Ridge | Port Orchard, WA | 73 | 15 | - |
| Kopachuck State Park | Belfair, WA | 73 | 11 | - |
| Lookout Point | Tacoma, WA | 72 | 2 | - |
| Loge Alta Crystal | Enumclaw, WA | 72 | 34 | - |
| Black Mountain Ranch | Maple Falls, WA | 72 | 15 | - |
| Valley Fruit Orchards LLC | Yakima, WA | 72 | 11 | - |
| Cormorant Water System | Lopez Island, WA | 72 | 5 | - |
| Mountain View | White Salmon, WA | 72 | 25 | - |
| Dryden Independent Plaza & RV | Dryden, WA | 72 | 26 | - |
| Oysterville Water | Oysterville, WA | 72 | 30 | - |
| Harbor Mobile Estates | Hoquiam, WA | 72 | 288 | - |
| Lakeside Bible Camp | Clinton, WA | 72 | 28 | - |