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
Seattle Public Utilities Seattle, WA 1,091,904 29 Clean
Tacoma Water Division City Of Tacoma, WA 448,771 41 Detected
Vancouver City Of Vancouver, WA 373,047 49 Detected
Spokane City Of Spokane, WA 343,167 1 Detected
Bellevue City Of Bellevue, WA 317,330 11 Clean
Everett Public Works Dept. City Of Everett, WA 215,774 5 Clean
Alderwood Water District Lynnwood, WA 200,000 6 Clean
Kent Water Department Kent, WA 166,421 37 Detected
Redmond Water System City Of Redmond, WA 163,335 2 Detected
Bellingham-Water Division City Of Bellingham, WA 139,912 18 Clean
Lakehaven Water and Sewer District Federal Way, WA 118,273 78 Detected
Clark Public Utilities Vancouver, WA 116,876 69 Detected
Pasco Water Department Pasco, WA 116,342 62 Clean
Highline Water District Kent, WA 115,950 9 Clean
Kennewick City Of Kennewick, WA 114,468 7 Detected
Olympia City Of Olympia, WA 113,584 41 Detected
Auburn City of Auburn, WA 113,095 127 Detected
Yakima Water Division City Of Yakima, WA 112,858 57 Clean
Skagit County PUD 1 Judy Res Mount Vernon, WA 111,415 19 Detected
Renton City Of Renton, WA 107,119 59 Detected
Richland City Of Richland, WA 106,248 45 Detected
Northshore Utility District Kenmore, WA 105,105 5 Clean
Lacey Water Department Lacey, WA 103,755 61 Detected
Marysville Utilities Marysville, WA 88,589 21 Clean
Sammamish Plateau Water & Sewer Sammamish, WA 79,362 77 Detected
Bremerton City Of Bremerton, WA 70,913 25 Detected
Lynnwood City Of Lynnwood, WA 68,204 8 Clean
Kirkland City Of Kirkland, WA 67,107 1 Clean
Tumwater City Of Tumwater, WA 66,373 22 Detected
Soos Creek Water & Sewer District Renton, WA 64,534 1 Clean
Southwood Tacoma, WA 64,155 379 Detected
Lakewood Water District Lakewood, WA 62,089 63 Detected
Sno PUD 1 - Lake Stevens Everett, WA 60,064 25 Clean
Woodinville Water District Woodinville, WA 59,873 5 Clean
JBLM Lewis Joint Base Lewis-McChord, WA 58,497 9 Detected
Silver Lake Water & Sewer District Bothell, WA 56,582 17 Clean
Covington Water District Kent, WA 52,276 21 Detected
Port of Seattle/Seatac Airport Seattle, WA 49,483 14 Clean
Longview Water Department Longview, WA 49,111 18 Clean
Tukwila Water Department Tukwila, WA 45,374 0 Clean
Wenatchee City Of Wenatchee, WA 43,690 91 Clean
Issaquah Water System Issaquah, WA 43,584 257 Clean
Walla Walla Water Division Walla Walla, WA 42,959 141 Clean
Bonney Lake Water Department City Buckley, WA 42,654 151 Detected
Puyallup City Of Puyallup, WA 39,100 3 Detected
King County Water District #20 Seattle, WA 38,974 3 Clean
Firgrove Mutual Inc Puyallup, WA 36,168 30 Detected
Nob Hill Water Association Yakima, WA 36,026 29 Clean
Edmonds City Of Edmonds, WA 34,023 0 Clean
Bothell Water City Of Bothell, WA 33,643 1 Clean
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