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 |
|---|---|---|---|---|
| Ames Lake Water Assoc Inc | Redmond, WA | 3,224 | 178 | - |
| Strohs Water Company Inc | Tacoma, WA | 3,192 | 19 | - |
| Algona Water Dept | Algona, WA | 3,180 | 13 | - |
| Twanoh State Park | Belfair, WA | 3,173 | 32 | - |
| Lake Forest Park Water District | Lake Forest Park, WA | 3,171 | 9,527 | Clean |
| Maytown Rest Area | Tacoma, WA | 3,134 | 17 | - |
| Highland Water District | Monroe, WA | 3,121 | 5 | - |
| Meadows 690 | Lacey, WA | 3,100 | 23 | - |
| Box Canyon | Ashford, WA | 3,099 | 10 | - |
| Napavine City Of | Napavine, WA | 3,095 | 57 | - |
| Olympic Water & Sewer Inc | Port Ludlow, WA | 3,086 | 11 | - |
| Snake River Housing Water System | Yakima, WA | 3,036 | 50 | Clean |
| Yacolt | Vancouver, WA | 3,034 | 80 | - |
| Dry Creek Water Association | Port Angeles, WA | 3,030 | 25 | - |
| Sunrise No 12 | Ashford, WA | 3,018 | 13 | - |
| Carson | Carson, WA | 3,015 | 594 | - |
| Fall City Water Dist. #127 | Fall City, WA | 2,987 | 15 | - |
| Clearwood | Yelm, WA | 2,956 | 10 | - |
| Cedar Crest | Tacoma, WA | 2,954 | 242 | - |
| Dosewallips State Park | Sequim, WA | 2,941 | 30 | - |
| South Bend Water Department | South Bend, WA | 2,930 | 1,250 | - |
| Okanogan Water Department City Of | Okanogan, WA | 2,921 | 77 | - |
| Erland Point Water Co | Silverdale, WA | 2,909 | 29 | - |
| Steamboat Rock State Park #1 | Coulee city, WA | 2,907 | 6 | - |
| Toutle Community Regional Water | Kelso, WA | 2,904 | 17 | - |
| Sno PUD 1 - Warm Beach | Everett, WA | 2,890 | 19 | - |
| Stevens Co PUD - Deer Lake | Loon Lake, WA | 2,884 | 1 | - |
| Western State Hospital | Port Orchard, WA | 2,857 | 65 | - |
| Desert Aire Owner Assn | Desert Aire, WA | 2,856 | 518 | - |
| Providence SHMC | Spokane, WA | 2,838 | 0 | - |
| Battle Ground High and Lewisville E | Battle Ground, WA | 2,835 | 15 | - |
| Hutchinson Irrigation Dist #16 | Spokane Valley, WA | 2,826 | 25 | - |
| McCormick Woods | Port Orchard, WA | 2,760 | 59 | Clean |
| West Sequim Bay Inc | Sequim, WA | 2,759 | 28 | Clean |
| Rainier Water Department | Rainier, WA | 2,758 | 90 | - |
| Ilwaco Water Department City Of | Ilwaco, WA | 2,757 | 159 | - |
| McCleary City Of | McCleary, WA | 2,753 | 34 | - |
| Gold Bar City Of | Goldbar, WA | 2,745 | 85 | Clean |
| Kettle Falls Water Dept | Kettle Falls, WA | 2,698 | 8 | - |
| Surfside Homeowners | Ocean Park, WA | 2,687 | 27 | - |
| Olympic Mall | Tacoma, WA | 2,681 | 79 | - |
| Columbia Valley Water District | Maple Falls, WA | 2,648 | 39 | Clean |
| Suncadia Resort | Cle Elum, WA | 2,640 | 15 | - |
| Chewelah Water Dept South | Chewelah, WA | 2,615 | 66 | - |
| Stevenson Water Dept | Stevenson, WA | 2,594 | 87 | - |
| Camano Water Association | Coupeville, WA | 2,592 | 15 | - |
| Lake Wenatchee State Park South Si | Wenatchee, WA | 2,591 | 18 | - |
| Asotin Water Dept | Asotin, WA | 2,531 | 7 | - |
| Johnston Ridge Observatory | Amboy, WA | 2,506 | 15 | - |
| Stevens Co PUD - Loon Lake | Loon Lake, WA | 2,487 | 433 | - |