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Browse Water Systems

23,975 public water systems in WI.

Public Water Systems Database

Browse 23,975 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
CORNELL WATERWORKS WI6090458 Wisconsin Community 1,390
WOODVILLE WATERWORKS WI6560138 Wisconsin Community 1,386
NEW BERLIN WEST MIDDLE HIGH SCHOOL WI2680813 Wisconsin Non-Transient Non-Community 1,380
MARKESAN WATERWORKS WI4240218 Wisconsin Community 1,365
WE ENERGIES 1 - VILLE DU PARC 5 WI2460065 Wisconsin Community 1,360
CADOTT WATERWORKS WI6090450 Wisconsin Community 1,352
WI DOT REST AREA 82 NORTHBOUND WI4390541 Wisconsin Transient Non-Community 1,350
SOUTHERN DOOR SCH DIST WI4151198 Wisconsin Non-Transient Non-Community 1,350
MAPLE BLUFF WATERWORKS WI1130234 Wisconsin Community 1,342
BLACK CREEK WATERWORKS WI4450408 Wisconsin Community 1,336
ELROY WATERWORKS WI7290122 Wisconsin Community 1,333
HARDEES IN DELAFIELD WI2680557 Wisconsin Transient Non-Community 1,333
MONTELLO WATERWORKS WI4390281 Wisconsin Community 1,329
HILLSBORO WATERWORKS WI6630257 Wisconsin Community 1,325
FOX BROS PIGGLY WIGGLY INC - HUBERTUS WI2671612 Wisconsin Non-Transient Non-Community 1,314
WESTOSHA HIGH SCHOOL ADDITION WI2300758 Wisconsin Non-Transient Non-Community 1,310
WESTOSHA HIGH SCHOOL WI2300184 Wisconsin Non-Transient Non-Community 1,310
LOYAL WATERWORKS WI6100329 Wisconsin Community 1,308
UNITY SCHOOL DISTRICT 1 WI6490419 Wisconsin Non-Transient Non-Community 1,300
MANAWA WATERWORKS WI4690345 Wisconsin Community 1,300
MARION WATERWORKS WI4690396 Wisconsin Community 1,293
HERTEL WEST 055295902 Wisconsin Community 1,281
BLAIR WATERWORKS WI6620274 Wisconsin Community 1,280
FALL CREEK WATERWORKS WI6180296 Wisconsin Community 1,269
GILLETT WATERWORKS WI4430490 Wisconsin Community 1,264
THERESA WATERWORKS WI1140154 Wisconsin Community 1,262
MOLE LAKE 055295601 Wisconsin Community 1,260
BARNEVELD WATERWORKS WI1250075 Wisconsin Community 1,258
WI DOT WAYSIDE 30 KNOWLTON WI7370196 Wisconsin Transient Non-Community 1,250
FLORENCE UTILITY COMMISSION WI4190155 Wisconsin Community 1,250
MCDONALDS VERNON WI2682450 Wisconsin Non-Transient Non-Community 1,250
ELMBROOK MEMORIAL HOSPITAL WI2680437 Wisconsin Non-Transient Non-Community 1,250
IOLA WATERWORKS WI4690394 Wisconsin Community 1,249
FREDERIC WATERWORKS WI6490337 Wisconsin Community 1,241
WISCONSIN VETERANS HOME WI4690395 Wisconsin Community 1,240
CULVERS OF NEWVILLE WI1540271 Wisconsin Non-Transient Non-Community 1,233
SHULLSBURG WATERWORKS WI1330076 Wisconsin Community 1,222
MONTICELLO WATERWORKS WI1230083 Wisconsin Community 1,217
WI DOT REST AREA 15 BANGOR WI6420364 Wisconsin Transient Non-Community 1,200
LAKELAND UNIVERSITY WI4600487 Wisconsin Community 1,200
WITTENBERG WATERWORKS WI4590465 Wisconsin Community 1,200
REEDSVILLE WATERWORKS WI4360431 Wisconsin Community 1,200
BROOKFIELD HILLS WI2680276 Wisconsin Community 1,200
PAVILION SHOPPING CTR IN MEQUON WI2460223 Wisconsin Non-Transient Non-Community 1,200
M A T C NORTH CAMPUS WI2460177 Wisconsin Non-Transient Non-Community 1,200
FRANKLIN ROOT RIVER WI2410564 Wisconsin Community 1,200
WILMOT UNION HIGH SCHOOL WI2300490 Wisconsin Non-Transient Non-Community 1,200
WAUNONA SANITARY DISTRICT 2 WI1130742 Wisconsin Community 1,200
HAZEL GREEN WATERWORKS WI1220102 Wisconsin Community 1,193
HILBERT WATERWORKS WI4080269 Wisconsin Community 1,176