Wisconsin water providers — page 4

Find published drinking-water records, providers, and official agency resources for Wisconsin. Review sources, sample dates, and coverage.

Official drinking-water resources

• Wisconsin Department of Natural Resources - Drinking Water and Groundwater Program
• Wisconsin Drinking Water System Portal

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

11,023 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.

• Federal Correctional InstitutionWI7010105 · CWS · Population served: 1,550
• Sharon WaterworksWI2650145 · CWS · Population served: 1,549
• Kettle Moraine Correctional InstitutionWI4600449 · CWS · Population served: 1,544
• Eagle River WaterworksWI7640113 · CWS · Population served: 1,530
• Brooklyn WaterworksWI1230075 · CWS · Population served: 1,524
• Cleveland WaterworksWI4360426 · CWS · Population served: 1,524
• Bangor WaterworksWI6320233 · CWS · Population served: 1,520
• Hurley WaterworksWI8260116 · CWS · Population served: 1,515
• Concordia UniversityWI2460118 · CWS · Population served: 1,500
• Independence WaterworksWI6620276 · CWS · Population served: 1,500
• Black Earth WaterworksWI1130211 · CWS · Population served: 1,493
• Edgar WaterworksWI7370150 · CWS · Population served: 1,491
• Bonduel WaterworksWI4590450 · CWS · Population served: 1,475
• Orfordville WaterworksWI1540132 · CWS · Population served: 1,475
• Phillips WaterworksWI8510131 · CWS · Population served: 1,473
• Grantsburg WaterworksWI8070310 · CWS · Population served: 1,460
• Muscoda WaterworksWI1220112 · CWS · Population served: 1,453
• Augusta WaterworksWI6180231 · CWS · Population served: 1,450
• Mishicot WaterworksWI4360430 · CWS · Population served: 1,432
• West Baraboo WaterworksWI1570112 · CWS · Population served: 1,414
• Spring Valley WaterworksWI6480249 · CWS · Population served: 1,409
• Cornell WaterworksWI6090458 · CWS · Population served: 1,390
• Woodville WaterworksWI6560138 · CWS · Population served: 1,386
• Markesan WaterworksWI4240218 · CWS · Population served: 1,365
• Cadott WaterworksWI6090450 · CWS · Population served: 1,352
• Maple Bluff WaterworksWI1130234 · CWS · Population served: 1,342
• Black Creek WaterworksWI4450408 · CWS · Population served: 1,336
• Elroy WaterworksWI7290122 · CWS · Population served: 1,333
• Montello WaterworksWI4390281 · CWS · Population served: 1,329
• Hillsboro WaterworksWI6630257 · CWS · Population served: 1,325
• Loyal WaterworksWI6100329 · CWS · Population served: 1,308
• Manawa WaterworksWI4690345 · CWS · Population served: 1,300
• Marion WaterworksWI4690396 · CWS · Population served: 1,293
• Hertel West055295902 · CWS · Population served: 1,281
• Blair WaterworksWI6620274 · CWS · Population served: 1,280
• Fall Creek WaterworksWI6180296 · CWS · Population served: 1,269
• Gillett WaterworksWI4430490 · CWS · Population served: 1,264
• Theresa WaterworksWI1140154 · CWS · Population served: 1,262
• Mole Lake055295601 · CWS · Population served: 1,260
• Barneveld WaterworksWI1250075 · CWS · Population served: 1,258
• Florence Utility CommissionWI4190155 · CWS · Population served: 1,250
• Iola WaterworksWI4690394 · CWS · Population served: 1,249
• Frederic WaterworksWI6490337 · CWS · Population served: 1,241
• Wisconsin Veterans HomeWI4690395 · CWS · Population served: 1,240
• Shullsburg WaterworksWI1330076 · CWS · Population served: 1,222
• Monticello WaterworksWI1230083 · CWS · Population served: 1,217
• Lakeland UniversityWI4600487 · CWS · Population served: 1,200
• Reedsville WaterworksWI4360431 · CWS · Population served: 1,200
• Rockvale MhpWI1540126 · CWS · Population served: 1,200
• Wittenberg WaterworksWI4590465 · CWS · Population served: 1,200
• Hazel Green WaterworksWI1220102 · CWS · Population served: 1,193
• Hilbert WaterworksWI4080269 · CWS · Population served: 1,176
• Princeton WaterworksWI4240219 · CWS · Population served: 1,166
• Neopit055295510 · CWS · Population served: 1,162
• Luck WaterworksWI6490338 · CWS · Population served: 1,150
• Cashton WaterworksWI6420294 · CWS · Population served: 1,120
• Amherst WaterworksWI7500094 · CWS · Population served: 1,119
• Dane WaterworksWI1130220 · CWS · Population served: 1,117
• Colfax WaterworksWI6170261 · CWS · Population served: 1,102
• Glenwood City WaterworksWI6560120 · CWS · Population served: 1,102
• Strum WaterworksWI6620331 · CWS · Population served: 1,100
• Oakhill Correctional InstWI1130250 · CWS · Population served: 1,096
• Rio WaterworksWI1110111 · CWS · Population served: 1,095
• Greenwood WaterworksWI6100328 · CWS · Population served: 1,079
• Turtle Lake WaterworksWI6030142 · CWS · Population served: 1,073
• Dickeyville WaterworksWI1220094 · CWS · Population served: 1,069
• Robert William Park Water Association IncWI2410589 · CWS · Population served: 1,065
• Hustisford WaterworksWI1140148 · CWS · Population served: 1,063
• Clear Lake WaterworksWI6490335 · CWS · Population served: 1,061
• Oakfield WaterworksWI4200475 · CWS · Population served: 1,058
• Ashwood Grove EdgewaterWI4200485 · CWS · Population served: 1,046
• Mosinee East SystemWI7372480 · CWS · Population served: 1,046
• Boyceville WaterworksWI6170260 · CWS · Population served: 1,043
• Balsam Lake WaterworksWI6490330 · CWS · Population served: 1,031
• Crivitz WaterworksWI4380411 · CWS · Population served: 1,026
• Athens WaterworksWI7370149 · CWS · Population served: 1,025
• Shelby Tn of Wedgewood VlyWI6320311 · CWS · Population served: 1,020
• Albany WaterworksWI1230071 · CWS · Population served: 1,018
• Green Lake WaterworksWI4240217 · CWS · Population served: 1,002
• Bristol Village of EastWI2300767 · CWS · Population served: 1,001
• Sister Bay WaterworksWI4150510 · CWS · Population served: 1,000
• Belmont WaterworksWI1330069 · CWS · Population served: 991
• Fond Du Lac Tn Water UtilityWI4200429 · CWS · Population served: 980
• Benton WaterworksWI1330070 · CWS · Population served: 976
• Valders WaterworksWI4360437 · CWS · Population served: 954
• Blue Mounds WaterworksWI1130023 · CWS · Population served: 950
• Laona Sanitary DistWI7210108 · CWS · Population served: 950
• Shell Lake WaterworksWI8660304 · CWS · Population served: 950
• Southern Wisconsin CenterWI2520199 · CWS · Population served: 950
• Arlington WaterworksWI1110093 · CWS · Population served: 946
• Paddock Lake WaterworksWI2300146 · CWS · Population served: 945
• Rib Lake WaterworksWI8610126 · CWS · Population served: 945
• Siren WaterworksWI8070311 · CWS · Population served: 941
• Iron Ridge WaterworksWI1140150 · CWS · Population served: 937
• Dresser WaterworksWI6490336 · CWS · Population served: 936
• Owen WaterworksWI6100334 · CWS · Population served: 936
• Plainfield WaterworksWI4700268 · CWS · Population served: 924
• Shiocton UtilitiesWI4450415 · CWS · Population served: 921
• Milltown WaterworksWI6490339 · CWS · Population served: 915
• Centuria WaterworksWI6490332 · CWS · Population served: 900