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 |
|---|---|---|---|---|
| Butler Cove Water Company | Port Orchard, WA | 278 | 14 | - |
| Mill a Water Co | Willard, WA | 278 | 35 | - |
| Newhalem Water System | Mount Vernon, WA | 277 | 31 | - |
| Perry | Napavine, WA | 277 | 56 | - |
| River Park | Tacoma, WA | 277 | 17 | - |
| Sun Country Estates 1-2-3 | Wenatchee, WA | 277 | 42 | - |
| Bickleton Community | Goldendale, WA | 277 | 20 | - |
| Raspberry Ridge Water Association | Lynden, WA | 276 | 25 | - |
| Fargher Lake Grocery | Woodland, WA | 275 | 31 | - |
| All Saints Camp | Seattle, WA | 275 | 21 | - |
| Highlands Utility District | Shoreline, WA | 275 | 2 | - |
| West Ridge Water System | Coupeville, WA | 275 | 5 | - |
| Maberry Packing LLC | Lynden, WA | 273 | 10 | - |
| Stewarts Meats | Yelm, WA | 272 | 35 | - |
| View Ridge Heights | Union, WA | 271 | 23 | - |
| Foothills Water Association | Port Orchard, WA | 271 | 23 | - |
| Green Acres - Mattawa | Cle Elum, WA | 271 | 18 | - |
| Bethel Water Co | Olympia, WA | 270 | 151 | - |
| Mary M Knight School | Union, WA | 270 | 35 | - |
| Spangle Town Of | Spangle, WA | 270 | 12 | - |
| Deer Meadows Water Company Inc | Davenport, WA | 268 | 25 | - |
| Navy Yard Park | Poulsbo, WA | 268 | 33 | - |
| Scatter Creek Ranch 760 | Lacey, WA | 268 | 26 | - |
| Keanland Park 761 | Lacey, WA | 268 | 28 | - |
| Lazy Acres 351 | Lacey, WA | 267 | 52 | - |
| Avalon Links Golf Club | Burlington, WA | 266 | 23 | - |
| Fire Mt Scout Reservation | Mount Vernon, WA | 266 | 64 | - |
| Green Island Hills Water Assn | Mount Vernon, WA | 265 | 490 | - |
| Beaver | Beaver, WA | 265 | 68 | - |
| Mt Adams Orchard Division-Camp B | White Salmon, WA | 265 | 19 | - |
| Kahlotus City Of | Kahlotus, WA | 262 | 326 | - |
| Whidbey Shores Water System | Coupeville, WA | 262 | 52 | - |
| Southside Elementary School | Shelton, WA | 260 | 181 | - |
| Woodland Winter Race Track | Woodland, WA | 260 | 7 | - |
| Orondo School | Wenatchee, WA | 260 | 136 | - |
| Cascade Vista HOA | Port Orchard, WA | 260 | 1 | - |
| Sandflat Water Association | Tonasket, WA | 260 | 7 | - |
| Orcas Highlands | Tacoma, WA | 260 | 14 | - |
| Grasslands Water System | Ellensburg, WA | 260 | 30 | - |
| Suncrest Plat Water System | Tonasket, WA | 260 | 31 | - |
| Tamoshan | Olympia, WA | 260 | 42 | - |
| Y-Squalicum Water Assn | Lynden, WA | 260 | 145 | - |
| Skamokawa Water System | Cathlamet, WA | 259 | 123 | - |
| Brinnon General Store | Brinnon, WA | 259 | 23 | - |
| Foothills Community Church | Spokane, WA | 258 | 17 | - |
| Guide Meridian Water Association | Lynden, WA | 258 | 36 | - |
| Conconully Sp Boat Launch | Winthrop, WA | 258 | 5 | - |
| Grapeview School | Shelton, WA | 257 | 38 | - |
| Cole | Tacoma, WA | 257 | 9 | - |
| Lake Bronson Assoc Inc | Sultan, WA | 257 | 25 | - |