Browse Water Systems

22,144 public water systems in WI.

Public Water Systems Database

Browse 22,144 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
SALEM GRADE SCHOOL NORTH WELL WI2300487 Wisconsin Non-Transient Non-Community 800
ELMWOOD WATERWORKS WI6480250 Wisconsin Community 798
STODDARD WATERWORKS WI6630262 Wisconsin Community 793
PLAIN WATERWORKS WI1570098 Wisconsin Community 792
PARKVIEW HEALTH CENTER WI4710456 Wisconsin Community 790
MOHICAN NORTH STAR CASINO 050595010 Wisconsin Non-Transient Non-Community 784
SEVENWINDS LODGE AND CONVENTION CENTER 050595307 Wisconsin Non-Transient Non-Community 782
FRIENDSHIP WATERWORKS WI7010110 Wisconsin Community 781
WI HEIGHTS HIGH SCHOOL WI1130566 Wisconsin Non-Transient Non-Community 780
CASSVILLE WATERWORKS WI1220091 Wisconsin Community 777
DAIRY QUEEN OF PLYMOUTH WI4600557 Wisconsin Transient Non-Community 770
MCDONALDS STURTEVANT WI2521052 Wisconsin Transient Non-Community 770
ALMA WATERWORKS WI6060192 Wisconsin Community 769
WYOCENA WATERWORKS WI1110124 Wisconsin Community 768
COON VALLEY WATERWORKS WI6630252 Wisconsin Community 765
CLAYTON WATERWORKS WI6490334 Wisconsin Community 765
CROSS POINT COMMUNITY CHURCH WI2685801 Wisconsin Transient Non-Community 764
LITTLE STAR CONVENIENCE STORE 050595012 Wisconsin Transient Non-Community 762
MERCER SANITARY DISTRICT WI8260120 Wisconsin Community 760
WONEWOC WATERWORKS WI7290137 Wisconsin Community 758
WHITELAW WATERWORKS WI4360439 Wisconsin Community 757
DELAFIELD CONVENIENCE WI2680638 Wisconsin Transient Non-Community 754
THE COLUMBIAN WI2670478 Wisconsin Transient Non-Community 752
LAKE MEADOWS WATER TRUST WI2680228 Wisconsin Community 750
EMRICK LAKE CMPGRND EAST SITES WI7010643 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND EAST SHOWER HOUSE WI7010054 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND OFFICE WI7010538 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND HANDPUMP WI7010537 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND CABINS WI7010536 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND MAIN WELL WI7010192 Wisconsin Transient Non-Community 750
EMRICK LAKE CMPGRND RESERVE AREA WI7010665 Wisconsin Transient Non-Community 750
IMMANUEL LUTHERAN CHURCH & SCHOOL WI2682144 Wisconsin Non-Transient Non-Community 750
WABENO SANITARY DIST 1 WI7210110 Wisconsin Community 750
REHLKO POWER SYSTEMS SECURITY WI4600503 Wisconsin Non-Transient Non-Community 750
GLIDDEN SANITARY DISTRICT WI8020376 Wisconsin Community 750
ST PAULS EVANGELICAL LUTHERAN CHURCH WI4600592 Wisconsin Non-Transient Non-Community 735
MELLEN WATER UTILITY WI8020378 Wisconsin Community 731
IOWA GRANT SCHOOLS WI1250165 Wisconsin Non-Transient Non-Community 730
COLEMAN WATERWORKS WI4380436 Wisconsin Community 727
JAMMERS WI7720251 Wisconsin Transient Non-Community 725
SHAWANO COUNTY PARK CMPGD WI4590505 Wisconsin Transient Non-Community 725
WASHINGTON INN SUPPER CLUB WI4590504 Wisconsin Transient Non-Community 725
ELBOW ROOM WI4590501 Wisconsin Transient Non-Community 725
MORTS PUB WI4590513 Wisconsin Transient Non-Community 725
STATE OF WISC WI4700295 Wisconsin Transient Non-Community 725
UNITED COOPERATIVE STORE & OFFICES WI1140425 Wisconsin Transient Non-Community 723
WILSON SCHOOL WI2460216 Wisconsin Non-Transient Non-Community 722
WI DNR AMNICON FALLS STATE PARK- PEVS WI8161264 Wisconsin Transient Non-Community 721
SLICED WI1130195 Wisconsin Transient Non-Community 720
HALE PARK MEADOWS WI2680216 Wisconsin Community 720