All water systems in Washington
4,692 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Prairie Ridge 605 Thurston County |
250 | 1 | 0 | |
|
Road Warrior Wapato · County |
250 | 4 | 1 | |
|
Ravenwing Ranch Chelan County |
250 | 0 | 0 | |
|
Samish Grade School Skagit County |
250 | 0 | 0 | |
|
Spokane Christian Center Spokane County |
250 | 0 | 0 | |
|
Sunrise Water Association Grant County |
250 | 1 | 0 | |
|
Washtucna Water Department Adams County |
250 | 4 | 0 | |
|
Western Ranchettes Inc. Pierce County |
250 | 0 | 0 | |
|
Wsdp Seven Mile Riverside State Prk Spokane County |
250 | 0 | 0 | |
|
Hartline Water System Grant County |
249 | 0 | 0 | |
|
Cougar Park and Campground Cowlitz County |
248 | 0 | 0 | |
|
Pinecroft Mobile Home Park Spokane County |
248 | 0 | 0 | |
|
Field of Dreams Thurston County |
247 | 0 | 0 | |
|
Camano City Community Club INC Island County |
246 | 1 | 1 | |
|
Tempo Lake Water CO Thurston County |
246 | 0 | 0 | |
|
Marbello Snohomish County |
245 | 0 | 0 | |
|
Metz Community & RV LLC Benton County |
245 | 2 | 0 | |
|
Mill Pond Community LLC Kittitas County |
245 | 0 | 0 | |
|
Pederson Harold Well Pierce County |
244 | 0 | 0 | |
|
Calvary Baptist Church Kittitas County |
243 | 0 | 0 | |
|
Crescent View Condominium Owners Grant County |
243 | 1 | 0 | |
|
Shirona Water System Island County |
243 | 2 | 0 | |
|
King County Water District #123 King County |
242 | 0 | 0 | |
|
Kittitas CO WD #2 Kittitas County |
242 | 2 | 1 | |
|
Plymouth Day Use Benton County |
242 | 0 | 0 | |
|
Valleyhi Community Club Chelan County |
242 | 1 | 0 | |
|
YMCA Camp Reed Pend Oreille County |
242 | 1 | 0 | |
|
Camp Colman Pierce County |
241 | 0 | 0 | |
|
Columbus Park Thurston County |
241 | 0 | 0 | |
|
Vistas INC Clallam County |
241 | 1 | 0 | |
|
Dixie Water Association Walla Walla County |
240 | 2 | 0 | |
|
Hide-Away Water Company INC Island County |
240 | 1 | 0 | |
|
Rathbone Park Water Assoc Whatcom County |
240 | 1 | 0 | |
|
Ridgeview Estates Water Association Grant County |
240 | 2 | 0 | |
|
Summerset West Water Association Adams County |
240 | 4 | 0 | |
|
Timberline Mobile Home Park Spokane County |
240 | 0 | 0 | |
|
Utsalady Heights Owners Assn Island County |
240 | 0 | 0 | |
|
Cal Waterworks Island County |
239 | 0 | 0 | |
|
Lewis & Clark Trail State Park Columbia County |
239 | 0 | 0 | |
|
Olalla Kitsap County |
239 | 0 | 0 | |
|
Thousand Trails-La Conner Skagit County |
239 | 0 | 0 | |
|
Majestic Mobile Manor Pierce County |
238 | 1 | 0 | |
|
Skagit CO Pud Marblemount Skagit County |
238 | 2 | 0 | |
|
Ocean City Grays Harbor County |
237 | 1 | 0 | |
|
River Rue Lincoln County |
237 | 2 | 0 | |
|
Hemmi Road Water Association Whatcom County |
236 | 0 | 0 | |
|
Kopachuck Pierce County |
236 | 0 | 0 | |
|
Energy Dept Of/100k Benton County |
235 | 0 | 0 | |
|
Fragaria Landing Kitsap County |
235 | 0 | 0 | |
|
Holiday Hideaway Water Co Skagit County |
235 | 1 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Washington records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.