PlainWater

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.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
College Place Water Dept College Place, WA 8,147 127 Clean
North Beach Water Ocean Park, WA 8,093 80 Clean
Milton City Of Milton, WA 8,078 56 Detected
Kalama City Of Kalama, WA 8,020 9 Clean
Fircrest City Of Fircrest, WA 7,927 134 Detected
Pacific City Of Buckley, WA 7,925 16 Clean
Model Irrigation Dist #18 Spokane, WA 7,903 204 Detected
Tanglewilde Thompson Place 600 Lacey, WA 7,900 2 Clean
Stevens Co PUD - Suncrest Loon Lake, WA 7,484 496 Detected
Buckley Water Buckley, WA 7,411 35 Clean
Peacock Hill Tacoma, WA 7,401 52 Detected
North Bend City Of North Bend, WA 7,228 5 Clean
Sultan Water Department Sultan, WA 7,160 92 Clean
Granite Falls City Of Granite Falls, WA 6,926 6 Clean
Lake Chelan Reclamation District Manson, WA 6,798 247 Clean
Elma City Of Elma, WA 6,638 28 Clean
Sallal Water Association Inc North Bend, WA 6,600 15 Clean
Union Gap Water Union Gap, WA 6,433 26 Clean
Energy Dept Of/200W Richland, WA 6,351 15 Clean
Blaine City Of Blaine, WA 6,319 141 Clean
Pasadena Park Irr Dist 17 Spokane, WA 6,269 298 Clean
Prosser City Of Prosser, WA 6,211 19 Clean
Spo Co Water Dist 3 Sys 4 Spokane, WA 6,155 332 Clean
Artondale Tacoma, WA 5,828 551 Detected
Seven Lakes Water Association Stanwood, WA 5,823 58 Clean
Cashmere Water Department Cashmere, WA 5,815 12 -
Snoqualmie Pass Utility District Snoqualmie Pass, WA 5,805 322 Clean
Indian John Rest Area (Eb/Wb) Cle Elum, WA 5,718 10 -
Benton City Water Benton City, WA 5,626 74 Detected
Moxee Water Department Moxee, WA 5,599 89 Clean
Fairchild Air Force Base Fairchild AFB, WA 5,553 10 Detected
Montesano City Of Montesano, WA 5,492 25 Clean
North Bainbridge Water Co Poulsbo, WA 5,490 701 Clean
Westport Water Department Westport, WA 5,346 881 Clean
Wapato Waterworks Wapato, WA 5,255 146 Clean
Point Evans Tacoma, WA 5,211 411 Clean
Connell City Of Connell, WA 5,150 133 Clean
Grays Harbor Co Water Dist 2 Montesano, WA 5,112 73 Clean
Minterbrook Tacoma, WA 5,083 130 Detected
Deer Park City Of Deer Park, WA 5,045 69 Detected
King County Water District #54 Des Moines, WA 5,037 20 Clean
Mattawa City of Mattawa, WA 5,015 227 Clean
Spokane Business & Industrial Park Spokane, WA 5,000 25 Clean
Medical Lake City Of Medical Lake, WA 4,982 11 Detected
Colville Water Department Colville, WA 4,955 6 Clean
Omak City Of Omak, WA 4,940 13 Detected
Longmire Ashford, WA 4,871 214 Clean
Sun Lakes State Park Coulee City, WA 4,858 17 -
Moran State Park-Mountain Lake Olga, WA 4,804 10 -
Moran State Park - Summit Lake Olga, WA 4,803 2 -
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