All water systems in Washington
4,692 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Columbia Pulp I Columbia County |
25 | 0 | 0 | |
|
Country N Lace Lewis County |
25 | 0 | 0 | |
|
Cowlitz County Shooting Range Cowlitz County |
25 | 0 | 0 | |
|
Davis Lake Water System Okanogan County |
25 | 0 | 0 | |
|
Dayton Airport Business Park Mason County |
25 | 0 | 0 | |
|
Decatur Head Beach Association San Juan County |
25 | 0 | 0 | |
|
Eagle Ridge Water System San Juan County |
25 | 0 | 0 | |
|
East Valley Market Yakima County |
25 | 0 | 0 | |
|
Energy Dept Of/400 Area Benton County |
25 | 0 | 0 | |
|
Erickson Lake Tracts Mason County |
25 | 0 | 0 | |
|
Evergreen School District #205 Stevens County |
25 | 0 | 0 | |
|
Escalona Restaurant Yakima County |
25 | 0 | 0 | |
|
Fir Creek Work Center Mason County |
25 | 0 | 0 | |
|
Fircroft INC San Juan County |
25 | 0 | 0 | |
|
First Friends Church Clark County |
25 | 0 | 0 | |
|
Frostad Farms Water Assn Island County |
25 | 0 | 0 | |
|
Fielding Hills Winery Chelan County |
25 | 0 | 0 | |
|
Foothills Mission Church Spokane County |
25 | 2 | 0 | |
|
Goose Gap Water Association Benton County |
25 | 0 | 0 | |
|
Guthrie Cove Estates Owners Assoc San Juan County |
25 | 0 | 0 | |
|
Haapa Boat Launch Clark County |
25 | 0 | 0 | |
|
Harbor Heights Water King County |
25 | 0 | 0 | |
|
Janke Trucking Lewis County |
25 | 0 | 0 | |
|
Jblm (range 17) Pierce County |
25 | 0 | 0 | |
|
Jerrys Landing Spokane County |
25 | 0 | 0 | |
|
K2 Mine Ferry County |
25 | 0 | 0 | |
|
Lands Hill Water Association Island County |
25 | 0 | 0 | |
|
Lena Creek Campground HP 1 Mason County |
25 | 0 | 0 | |
|
Little Brown Church of Blyn Clallam County |
25 | 0 | 0 | |
|
Longwood Water Association Island County |
25 | 0 | 0 | |
|
Lyons Ferry Hatchery Franklin County |
25 | 0 | 0 | |
|
Labbeemint Water System Yakima County |
25 | 0 | 0 | |
|
Liberty Market Water Supply Island County |
25 | 1 | 0 | |
|
Liebert Property Yakima County |
25 | 2 | 0 | |
|
Lighthouse Baptist Church Jefferson County |
25 | 0 | 0 | |
|
Monsanto Cunningham Rd Adams County |
25 | 0 | 0 | |
|
Nile Valley Community Church Yakima County |
25 | 0 | 0 | |
|
Noah Animal Shelter Water System Snohomish County |
25 | 0 | 0 | |
|
North Sunset Point Water Users Assn San Juan County |
25 | 0 | 0 | |
|
Oklahoma Campground HP 1 Skamania County |
25 | 0 | 0 | |
|
Omicron Investment Company Thurston County |
25 | 0 | 0 | |
|
Park Orchard Tract 40 Grant County |
25 | 0 | 0 | |
|
Pasture Point Tfas Goldendale · County |
25 | 1 | 0 | |
|
Pend Oreille Mine Pend Oreille County |
25 | 0 | 0 | |
|
Poulsbo Sportsman Club Kitsap County |
25 | 0 | 0 | |
|
Pse Whitehorn Whatcom County |
25 | 0 | 0 | |
|
Purdy Lane Comm & Gas Station Pierce County |
25 | 0 | 0 | |
|
Paradisos del Sol Yakima County |
25 | 0 | 0 | |
|
Quilcene Little League Jefferson County |
25 | 0 | 0 | |
|
Red Gate Mobile Home Park Pierce County |
25 | 5 | 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 still 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. Retrieved from ECHO on Oct 11, 2026.