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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.

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System Name PWSID State Type Population Served
YACOLT WA5399000 Washington Community 3,034
Dry Creek Water Association WA5320050 Washington Community 3,030
SUNRISE NO 12 WA53NP850 Washington Transient Non-Community 3,018
CARSON WA5311340 Washington Community 3,015
SEAQUEST STATE PARK WA53SP800 Washington Transient Non-Community 3,003
FALL CITY WATER DIST. #127 WA5324550 Washington Community 2,987
CLEARWOOD WA5313615 Washington Community 2,956
CEDAR CREST WA5311887 Washington Community 2,954
DOSEWALLIPS STATE PARK WA53SP215 Washington Transient Non-Community 2,941
South Bend Water Department WA5381500 Washington Community 2,930
OKANOGAN WATER DEPARTMENT CITY OF WA5363200 Washington Community 2,921
ERLAND POINT WATER CO WA5323850 Washington Community 2,909
Steamboat Rock State Park #1 WA53SP860 Washington Transient Non-Community 2,907
TOUTLE COMMUNITY REGIONAL WATER WA5388905 Washington Community 2,904
SNO PUD 1 - WARM BEACH WA5393000 Washington Community 2,890
STEVENS CO PUD - DEER LAKE WA5393380 Washington Community 2,884
ALEXANDERS RESORT WA5301346 Washington Community 2,878
WESTERN STATE HOSPITAL WA5395150 Washington Community 2,857
DESERT AIRE OWNER ASSN WA5319056 Washington Community 2,856
Providence SHMC WA53AD002 Washington Non-Transient Non-Community 2,838
BATTLE GROUND HIGH AND LEWISVILLE E WA5304710 Washington Non-Transient Non-Community 2,835
HUTCHINSON IRRIGATION DIST #16 WA5335100 Washington Community 2,826
TWIN HARBORS STATE PARK WA53SP960 Washington Transient Non-Community 2,818
800 FIFTH AVENUE WATER SYSTEM WA5302462 Washington Non-Transient Non-Community 2,804
SNOQUALMIE CASINO 105300151 Washington Non-Transient Non-Community 2,800
MCCORMICK WOODS WA5340529 Washington Community 2,760
WEST SEQUIM BAY INC WA5354192 Washington Community 2,759
RAINIER WATER DEPARTMENT WA5370980 Washington Community 2,758
ILWACO WATER DEPARTMENT CITY OF WA5335500 Washington Community 2,757
MCCLEARY CITY OF WA5352250 Washington Community 2,753
GOLD BAR CITY OF WA5328300 Washington Community 2,745
SKI ACRES WATER SYSTEM WA5379700 Washington Community 2,733
KETTLE FALLS WATER DEPT WA5338400 Washington Community 2,698
SURFSIDE HOMEOWNERS WA5386470 Washington Community 2,687
OLYMPIC MALL WA5363479 Washington Community 2,681
Columbia Valley Water District WA5366110 Washington Community 2,648
SUNCADIA RESORT WA53AA317 Washington Community 2,640
BLYN - 7 CEDARS CONSOLIDATED 105300083 Washington Non-Transient Non-Community 2,630
Harrison Medical Center - Bremerton WA53AD616 Washington Non-Transient Non-Community 2,627
WHATCOM WTR DIST 10 - GENEVA WA5308117 Washington Community 2,622
CHEWELAH WATER DEPT SOUTH WA5312750 Washington Community 2,615
SEA CLIFF ESTATES WA5376880 Washington Community 2,602
CAMANO ISLAND STATE PARK WA53SP125 Washington Community 2,598
STEVENSON WATER DEPT WA5384250 Washington Community 2,594
WSDP Riverside SP Bowl & Pitcher WA53SP729 Washington Transient Non-Community 2,593
CAMANO WATER ASSOCIATION WA5310750 Washington Community 2,592
LAKE WENATCHEE STATE PARK SOUTH SI WA53SP431 Washington Transient Non-Community 2,591
SILVER LAKE REST AREA - WSDOT WA53HD710 Washington Transient Non-Community 2,547
SNO PUD 1 - DUBUQUE WA5320150 Washington Community 2,545
WASHINGTON STATE REFORMATORY WA5393150 Washington Community 2,534