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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
RIVER FALLS WATERWORKS WI6480246 Wisconsin Community 16,000
MENOMONIE WATERWORKS WI6170268 Wisconsin Community 15,950
OCONOMOWOC WATERWORKS WI2680227 Wisconsin Community 15,805
HARTFORD WATERWORKS WI2670110 Wisconsin Community 15,805
MENASHA ELEC & WATER UTIL WI4710334 Wisconsin Community 15,144
WAUNAKEE WATERWORKS WI1130265 Wisconsin Community 14,879
GREENDALE WATERWORKS WI2410571 Wisconsin Community 14,393
WHITEFISH BAY WATERWORKS WI2410597 Wisconsin Community 14,272
ALLOUEZ WATERWORKS WI4050455 Wisconsin Community 14,156
VERONA WATERWORKS WI1130259 Wisconsin Community 14,030
WHITEWATER WATERWORKS WI2650056 Wisconsin Community 14,000
SHOREWOOD WATERWORKS WI2410607 Wisconsin Community 13,535
PLOVER WATERWORKS WI7500726 Wisconsin Community 13,486
CHIPPEWA FALLS WATERWORKS WI6090456 Wisconsin Community 13,375
STOUGHTON WATERWORKS WI1130078 Wisconsin Community 13,078
DARBOY SANITARY DIST 1 WI4450117 Wisconsin Community 13,024
HO-CHUNK CASINO & BINGO 055195000 Wisconsin Non-Transient Non-Community 13,000
GLENDALE WATERWORKS WI2410168 Wisconsin Community 12,883
PORT WASHINGTON WATERWORKS WI2460054 Wisconsin Community 12,853
BROWN DEER WATERWORKS WI2410556 Wisconsin Community 12,741
BARABOO WATERWORKS WI1570085 Wisconsin Community 12,703
FORT ATKINSON WATERWORKS WI1280103 Wisconsin Community 12,390
GRAFTON WATERWORKS WI2460111 Wisconsin Community 12,269
PLATTEVILLE WATERWORKS WI1220115 Wisconsin Community 12,268
CALEDONIA EAST WATER UTILITY DISTRICT WI2520185 Wisconsin Community 12,191
LITTLE CHUTE WATERWORKS WI4450338 Wisconsin Community 12,168
CEDARBURG L & W COMMISSION WI2460108 Wisconsin Community 11,800
SUSSEX VILLAGE HALL & WATER UTILITY WI2680233 Wisconsin Community 11,750
GREENVILLE UTILITIES VIL OF WI4450278 Wisconsin Community 11,340
TWO RIVERS WATERWORKS WI4360436 Wisconsin Community 11,270
OREGON WATERWORKS WI1130251 Wisconsin Community 11,200
MEQUON WATER UTILITY WI2460112 Wisconsin Community 11,152
MARINETTE WATERWORKS WI4380395 Wisconsin Community 10,968
FOX CROSSING UTILITIES EAST WI4710453 Wisconsin Community 10,927
NEW RICHMOND WATERWORKS WI6560126 Wisconsin Community 10,824
MONROE WATERWORKS WI1230078 Wisconsin Community 10,780
PLEASANT PRAIRIE WATER UTILITY WI2300167 Wisconsin Community 10,754
DEFOREST WATERWORKS WI1130221 Wisconsin Community 10,500
PORTAGE WATERWORKS WI1110039 Wisconsin Community 10,437
ELKHORN WATERWORKS WI2650062 Wisconsin Community 10,317
HOLMEN WATERWORKS WI6320306 Wisconsin Community 10,147
SPARTA WATERWORKS WI6420297 Wisconsin Community 10,025
FORT MCCOY NORTH POST WI6420302 Wisconsin Community 10,000
REEDSBURG WATERWORKS WI1570102 Wisconsin Community 9,984
BURLINGTON WATERWORKS WI2520177 Wisconsin Community 9,958
MILWAUKEE COUNTY GROUNDS WI2410778 Wisconsin Community 9,936
STURGEON BAY WATERWORKS WI4150526 Wisconsin Community 9,700
MCFARLAND WATERWORKS WI1130241 Wisconsin Community 9,676
MERRILL WATERWORKS WI7350123 Wisconsin Community 9,661
ALTOONA WATERWORKS WI6180280 Wisconsin Community 9,627