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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
ALDERBROOK WATER CO WA5301050 Washington Community 2,154
KCWD #4 WA5338700 Washington Community 2,150
MABTON CITY OF WA5349650 Washington Community 2,150
LIMEKILN STATE PARK WA53SP017 Washington Transient Non-Community 2,149
LAKE LIMERICK WATER WA5344150 Washington Community 2,148
MORTON CITY OF WA5356250 Washington Community 2,147
KCWD #77 WA5340700 Washington Community 2,135
NASON CREEK REST AREA WA53HD515 Washington Transient Non-Community 2,125
LAKELAND VILLAGE WATER WA5345090 Washington Community 2,120
RIVER ROCK TOBACCO AND FUEL 105338114 Washington Non-Transient Non-Community 2,117
SUNNYSLOPE WA5385550 Washington Community 2,112
CARNHOPE IRRIGATION DISTRICT 7 WA5311250 Washington Community 2,104
ISLAND UTILITY WA5357776 Washington Community 2,103
PEARRYGIN LAKE STATE PARK - BOTH CG WA53SP660 Washington Transient Non-Community 2,103
CID #19-EAST FARMS WA5310228 Washington Community 2,100
ROSLYN CITY OF WA5374400 Washington Community 2,099
SANDY POINT IMPROVEMENT CO WA5376105 Washington Community 2,098
OHANAPECOSH WA53NP670 Washington Transient Non-Community 2,092
MIRRORMONT WA5355250 Washington Community 2,083
NASELLE WA5358350 Washington Community 2,073
MISTEQUA CASINO 105300134 Washington Non-Transient Non-Community 2,070
MEADOW GLADE WA5353180 Washington Community 2,066
WHITE PASS COMPANY INC WA5396175 Washington Non-Transient Non-Community 2,066
HYAK WA5335180 Washington Transient Non-Community 2,065
HEIGHTS WATER WA5332300 Washington Community 2,051
BAINBRIDGE ISLAND HIGH SCHOOL WA5303790 Washington Non-Transient Non-Community 2,050
CONCERT CAMPING INC WA5305133 Washington Transient Non-Community 2,040
NISQUALLY PINES COMMUNITY CLUB WA5359591 Washington Community 2,037
WEST PASCO WATER SYSTEM INC WA5394850 Washington Community 2,015
END OF TRAIL II 105300113 Washington Transient Non-Community 2,000
LAKERIDGE WATER DISTRICT WA5340250 Washington Community 2,000
PURDY CAMPUS SYSTEM WA5366927 Washington Non-Transient Non-Community 2,000
TULALIP SEWER DISTRICT NO 1 OR5300003 Washington Community 2,000
DEER CREEK WATER ASSOC. WA5318418 Washington Community 2,000
NORMANDY PARK WATER COMPANY WA5359900 Washington Community 1,985
ROCHE HARBOR WATER SYSTEM INC WA5373230 Washington Community 1,985
Burbank Business Park WA53AB436 Washington Non-Transient Non-Community 1,983
LEWIS CO WATER DIST #2 WA5347001 Washington Community 1,983
CLINTON WATER DISTRICT WA5313900 Washington Community 1,980
CURRAN ROAD MUTUAL WATER ASSN WA5316950 Washington Community 1,977
SKAGIT CO WATER DISTRICT #1 WA5300392 Washington Community 1,974
FLAMING GEYSER STATE PARK WA53SP260 Washington Transient Non-Community 1,947
TOLEDO MUNICIPAL WA5388660 Washington Community 1,944
CUSTER S B REST AREA - DOT WA53HD161 Washington Transient Non-Community 1,942
MILLWOOD CITY OF WA5354850 Washington Community 1,925
PALMER LAKE WA5365745 Washington Community 1,924
CARLSBORG LUD 10 12 13 14 WA5300307 Washington Community 1,917
CUSTER REST AREA - DOT WA53HD160 Washington Transient Non-Community 1,910
Anacortes - Fidalgo WA5300932 Washington Community 1,890
SUQUAMISH REGIONAL PUBLIC WATER SYSTEM 105338117 Washington Non-Transient Non-Community 1,874