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
FREEMAN SCHOOL DIST #358 WA5326460 Washington Non-Transient Non-Community 900
SUPER 7 MINI-MART OR4195739 Washington Transient Non-Community 900
SCATCHET HEAD WATER DISTRICT WA5376470 Washington Community 900
MERIDIAN SCHOOL COMPLEX WA53AB234 Washington Non-Transient Non-Community 900
Solmar Water WA5381315 Washington Community 895
QUILEUTE WATER SYSTEM 105300016 Washington Community 885
ISLAND LAKE WA5336150 Washington Community 883
Potholes General Store WA5308167 Washington Transient Non-Community 877
CARBONADO WATER DEPT WA5311100 Washington Community 875
LEWISVILLE PARK WA5347065 Washington Transient Non-Community 875
KELLER FERRY MARINA WA53NP469 Washington Transient Non-Community 875
MANCHESTER STATE PARK WA53SP500 Washington Transient Non-Community 874
Johns Farms WA53AB573 Washington Transient Non-Community 872
ROLLING HILLS-GLENCAIRN WA5374000 Washington Community 872
LAKE OF THE WOODS COMMUNITY CLUB WA5344387 Washington Community 870
Admirals Cove Water District WA5300410 Washington Community 870
ADAMS COUNTY WATER DIST #1 WA5322525 Washington Community 870
LA CENTER WA5343300 Washington Community 867
OKANOGAN COUNTY FAIR WATER SYSTEM WA5334314 Washington Transient Non-Community 867
PE ELL TOWN OF WA5366750 Washington Community 859
DAROGA STATE PARK NORTH WA53SP202 Washington Transient Non-Community 849
FISHHOOK PARK WA5309639 Washington Transient Non-Community 846
JEFFERSON COUNTY LUD #3 WA5300058 Washington Community 840
ALBERTS RED APPLE MARKET WA5316481 Washington Transient Non-Community 840
HORN SCHOOL REST AREA WA53HD300 Washington Transient Non-Community 833
Mossyrock Park Power House WA5307731 Washington Transient Non-Community 832
ROSALIA TOWN OF WA5374250 Washington Community 831
ENUMCLAW GOLF COURSE WA5323580 Washington Community 829
HANGMAN HILLS WATER DIST 15 WA5330848 Washington Community 827
CAMALOCH ASSOCIATION WA5310580 Washington Community 825
LAKE MERWIN CAMPERS HIDEAWAY SYS 1 WA5316786 Washington Transient Non-Community 820
PENROSE POINT STATE PARK WA53SP680 Washington Transient Non-Community 816
WEST VALLEY HIGH SCHOOL WA5394927 Washington Transient Non-Community 815
DIAMOND POINT WA5319210 Washington Community 810
CONCRETE UTILITIES WA5303950 Washington Community 810
YAKIMA SPORTSMANS STATE PARK WA53SP990 Washington Transient Non-Community 808
ALPOWA SUMMIT REST AREA WA53HD007 Washington Transient Non-Community 801
HIGHLAND QUICK STOP WA5306673 Washington Transient Non-Community 801
Little Creek Casino/Trading Post 105300097 Washington Community 800
EASTHILL COMMUNITY WELL CO WA5321170 Washington Community 800
WSDH-GRANITE LAKE REST AREA WA53HD270 Washington Community 800
ST JOHN TOWN OF WA5375300 Washington Community 800
NEWHALEM CAMPGROUND & VISITOR CTR WA53NP012 Washington Transient Non-Community 800
VASHON ISLAND WATER & ROAD ASS WA5391404 Washington Community 800
FIRCREST SCHOOL / DSHS WA5318666 Washington Community 800
MT BAKER MOTORCYCLE CLUB WA5357497 Washington Transient Non-Community 800
ROSEDALE EAST WA5309490 Washington Community 798
WHATCOM COUNTY WATER DIST 13 WA5395914 Washington Community 795
MERCER CREST WATER ASSOC WA5353600 Washington Community 795
SUCIA ISLAND STATE PARK WA53SP900 Washington Transient Non-Community 794