Browse Water Systems

10,030 public water systems in WA.

Public Water Systems Database

Browse 10,030 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

System Name PWSID State Type Population Served
SEATTLE PUBLIC UTILITIES WA5377050 Washington Community 1,091,904
TACOMA WATER DIVISION CITY OF WA5386800 Washington Community 448,771
VANCOUVER CITY OF WA5391200 Washington Community 373,047
SPOKANE CITY OF WA5383100 Washington Community 343,167
BELLEVUE CITY OF WA5305575 Washington Community 317,330
EVERETT PUBLIC WORKS DEPT. CITY OF WA5324050 Washington Community 215,774
ALDERWOOD WATER DISTRICT WA5301300 Washington Community 200,000
KENT WATER DEPARTMENT WA5338150 Washington Community 166,421
REDMOND WATER SYSTEM CITY OF WA5371650 Washington Community 163,335
BELLINGHAM-WATER DIVISION CITY OF WA5305600 Washington Community 139,912
LAKEHAVEN WATER AND SEWER DISTRICT WA5341997 Washington Community 118,273
CLARK PUBLIC UTILITIES WA5313333 Washington Community 116,876
PASCO WATER DEPARTMENT WA5366400 Washington Community 116,342
HIGHLINE WATER DISTRICT WA5340650 Washington Community 115,950
KENNEWICK CITY OF WA5338100 Washington Community 114,468
OLYMPIA CITY OF WA5363450 Washington Community 113,584
Auburn City of WA5303350 Washington Community 113,095
YAKIMA WATER DIVISION CITY OF WA5399150 Washington Community 112,858
SKAGIT COUNTY PUD 1 JUDY RES WA5379500 Washington Community 111,415
RENTON CITY OF WA5371850 Washington Community 107,119
RICHLAND CITY OF WA5372250 Washington Community 106,248
NORTHSHORE UTILITY DISTRICT WA5340800 Washington Community 105,105
LACEY WATER DEPARTMENT WA5343500 Washington Community 103,755
MARYSVILLE UTILITIES WA5351900 Washington Community 88,589
SAMMAMISH PLATEAU WATER & SEWER WA5340900 Washington Community 79,362
BREMERTON CITY OF WA5308200 Washington Community 70,913
LYNNWOOD CITY OF WA5349270 Washington Community 68,204
KIRKLAND CITY OF WA5342250 Washington Community 67,107
TUMWATER CITY OF WA5389700 Washington Community 66,373
SOOS CREEK WATER & SEWER DISTRICT WA5340100 Washington Community 64,534
SOUTHWOOD WA5382844 Washington Community 64,155
LAKEWOOD WATER DISTRICT WA5345550 Washington Community 62,089
SNO PUD 1 - LAKE STEVENS WA5380907 Washington Community 60,064
WOODINVILLE WATER DISTRICT WA5341600 Washington Community 59,873
JBLM Lewis WA5326050 Washington Community 58,497
SILVER LAKE WATER & SEWER DISTRICT WA5379250 Washington Community 56,582
COVINGTON WATER DISTRICT WA5341650 Washington Community 52,276
PORT OF SEATTLE/SEATAC AIRPORT WA5303182 Washington Non-Transient Non-Community 49,483
LONGVIEW WATER DEPARTMENT WA5348100 Washington Community 49,111
TUKWILA WATER DEPARTMENT WA5389500 Washington Community 45,374
WENATCHEE CITY OF WA5394350 Washington Community 43,690
ISSAQUAH WATER SYSTEM WA5336350 Washington Community 43,584
WALLA WALLA WATER DIVISION WA5392500 Washington Community 42,959
BONNEY LAKE WATER DEPARTMENT CITY WA5307650 Washington Community 42,654
PUYALLUP CITY OF WA5370050 Washington Community 39,100
KING COUNTY WATER DISTRICT #20 WA5338950 Washington Community 38,974
FIRGROVE MUTUAL INC WA5325200 Washington Community 36,168
NOB HILL WATER ASSOCIATION WA5359700 Washington Community 36,026
EDMONDS CITY OF WA5322500 Washington Community 34,023
BOTHELL WATER CITY OF WA5307900 Washington Community 33,643