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 |
|---|---|---|---|---|
| Raft Island | Tacoma, WA | 575 | 12 | - |
| Rivershore Water District #1 | Snohomish, WA | 572 | 17 | - |
| Rockford Town Of | Rockford, WA | 570 | 79 | - |
| Sprague City Of | Sprague, WA | 570 | 119 | - |
| Rogers Group Properties I LLC | North Bend, WA | 570 | 29 | Clean |
| Consolidated Support Services | Medical lake, WA | 569 | 64 | Clean |
| Acme Water District No 18 | Acme, WA | 568 | 35 | - |
| North Whidbey Water District | Oak Harbor, WA | 568 | 14 | - |
| Kalaloch Campground | Port Angeles, WA | 568 | 5 | - |
| Westside Water Assn | Vashion Island, WA | 562 | 65 | - |
| Key Center Water System | Gig Harbor, WA | 561 | 21 | - |
| Sno PUD 1 - Sunday Lake | Everett, WA | 561 | 30 | - |
| Tahuyeh Lake Community Club | Port Orchard, WA | 560 | 193 | - |
| Bloedel Reserve | Bremerton, WA | 559 | 24 | - |
| Dungeness Heights | Yelm, WA | 558 | 140 | - |
| Oasis Water Corporation | Pasco, WA | 556 | 60 | - |
| Rainier School | Buckley, WA | 556 | 341 | - |
| Albion Water Dept | Albion, WA | 555 | 13 | - |
| Green Tank Irr District 11 | Walla Walla, WA | 553 | 524 | - |
| Silver Lake Park - Main Campground | Bellingham, WA | 553 | 20 | - |
| Klickitat Water System | Goldendale, WA | 551 | 69 | - |
| Southworth Elementary | Port Orchard, WA | 550 | 1,658 | - |
| Stevens Co PUD - Valley | Loon Lake, WA | 550 | 0 | Clean |
| Crescent Park 355 | Lacey, WA | 550 | 21 | - |
| Foxhall | Tacoma, WA | 549 | 4 | - |
| Beacon Rock State Park Boat Launch | Stevenson, WA | 549 | 6 | - |
| Club Green Meadows | Vancouver, WA | 545 | 5 | - |
| Satsop Business Park | Aberdeen, WA | 544 | 5,255 | - |
| Kanaskat-Palmer State Park | Auburn, WA | 543 | 8 | - |
| Brewster Flat Domestic Water Assn | Brewster, WA | 542 | 35 | - |
| Kachess Campground/Cle Elum RD | Overland Park, WA | 542 | 2 | - |
| South Cle Elum Water Dept | South Cle Elum, WA | 541 | 62 | - |
| Hamilton Water Department | Maple Falls, WA | 540 | 33 | - |
| Inchelium Water District | Tonasket, WA | 540 | 110 | - |
| Old Settlers Water Association | Custer, WA | 540 | 39 | - |
| Sandy Hook Yacht Club Estates | Freeland, WA | 540 | 20 | - |
| Shore Acres Water Company | Gig Harbor, WA | 540 | 3 | - |
| Madrona Beach Comm Water System | Stanwood, WA | 539 | 41 | - |
| Quincy Valley Rest Area | Ephrata, WA | 536 | 10 | - |
| Bluewood Ski Area | Dayton, WA | 532 | 14 | - |
| Stevens Co PUD - Spokane Lake Park | Loon Lake, WA | 532 | 9 | - |
| Burbank Irrigation District 4 | Pasco, WA | 527 | 27 | - |
| Zebras Aqueous Substance | Port Orchard, WA | 526 | 102 | - |
| Bethel Green Acres Water Assn | Tacoma, WA | 522 | 30 | - |
| Prescott Town Of | Walla Walla, WA | 522 | 68 | - |
| Great Basin Water Kiona | Pasco, WA | 520 | 225 | - |
| Dry Falls State Park | Coulee City, WA | 519 | 10 | - |
| Rolling Firs Evergreen Terrace | Tacoma, WA | 514 | 18 | - |
| Battle Point Park | Bainbridge Island, WA | 512 | 34 | - |
| Kittitas County Water District #4 | Thorp, WA | 510 | 13 | - |