Wisconsin water providers — page 5

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.

• Elk Mound WaterworksWI6170264 · CWS · Population served: 895
• Lone Rock WaterworksWI1530061 · CWS · Population served: 895
• Montreal WaterworksWI8260121 · CWS · Population served: 887
• Biron Water UtilityWI7720171 · CWS · Population served: 879
• Arena WaterworksWI1250073 · CWS · Population served: 877
• Brandon WaterworksWI4200402 · CWS · Population served: 872
• Allenton Sanitary DistrictWI2670104 · CWS · Population served: 860
• Stone Lake Community055295201 · CWS · Population served: 851
• Hillcrest Estates MhpWI6180285 · CWS · Population served: 850
• Necedah WaterworksWI7290130 · CWS · Population served: 844
• Highland WaterworksWI1250080 · CWS · Population served: 842
• Dorchester WaterworksWI6100326 · CWS · Population served: 834
• Birnamwood WaterworksWI4590449 · CWS · Population served: 832
• Argyle WaterworksWI1330068 · CWS · Population served: 823
• Footville WaterworksWI1540125 · CWS · Population served: 816
• Pepin WaterworksWI6470141 · CWS · Population served: 816
• Blanchardville WaterworksWI1330071 · CWS · Population served: 810
• Pittsville WaterworksWI7720112 · CWS · Population served: 800
• Westport Water UtilityWI1132442 · CWS · Population served: 800
• Elmwood WaterworksWI6480250 · CWS · Population served: 798
• Stoddard WaterworksWI6630262 · CWS · Population served: 793
• Plain WaterworksWI1570098 · CWS · Population served: 792
• Friendship WaterworksWI7010110 · CWS · Population served: 781
• Cassville WaterworksWI1220091 · CWS · Population served: 777
• Alma WaterworksWI6060192 · CWS · Population served: 769
• Wyocena WaterworksWI1110124 · CWS · Population served: 768
• Cambria WaterworksWI1110041 · CWS · Population served: 767
• Clayton WaterworksWI6490334 · CWS · Population served: 765
• Coon Valley WaterworksWI6630252 · CWS · Population served: 765
• Mercer Sanitary DistrictWI8260120 · CWS · Population served: 760
• Wonewoc WaterworksWI7290137 · CWS · Population served: 758
• Whitelaw WaterworksWI4360439 · CWS · Population served: 757
• Glidden Sanitary DistrictWI8020376 · CWS · Population served: 750
• Lake Meadows Water TrustWI2680228 · CWS · Population served: 750
• Wabeno Sanitary Dist 1WI7210110 · CWS · Population served: 750
• Mellen Water UtilityWI8020378 · CWS · Population served: 731
• Coleman WaterworksWI4380436 · CWS · Population served: 727
• Crystal Lake Rv Resort LLCWI1110066 · CWS · Population served: 725
• Hale Park MeadowsWI2680216 · CWS · Population served: 720
• Cascade WaterworksWI4600436 · CWS · Population served: 719
• Montfort WaterworksWI1220110 · CWS · Population served: 718
• Potosi WaterworksWI1220117 · CWS · Population served: 718
• Reeseville WaterworksWI1140153 · CWS · Population served: 718
• La Farge WaterworksWI6630258 · CWS · Population served: 712
• Wauzeka WaterworksWI6120253 · CWS · Population served: 711
• Almena WaterworksWI6030124 · CWS · Population served: 705
• St Nazianz WaterworksWI4360433 · CWS · Population served: 705
• Tigerton WaterworksWI4590462 · CWS · Population served: 705
• Birch Terrace Mobile Home CommunityWI6170270 · CWS · Population served: 700
• Durham Meadows Water TrustWI2680213 · CWS · Population served: 700
• Saddle Ridge EstatesWI1110123 · CWS · Population served: 700
• Ridgeland055295704 · CWS · Population served: 691
• Ridgeway WaterworksWI1250087 · CWS · Population served: 690
• Bloomington WaterworksWI1220085 · CWS · Population served: 682
• Viola WaterworksWI6630269 · CWS · Population served: 667
• Livingston WaterworksWI1220109 · CWS · Population served: 664
• Prentice WaterworksWI8510132 · CWS · Population served: 660
• Hobart Waterworks S A 3WI4052077 · CWS · Population served: 658
• Norwalk WaterworksWI6420296 · CWS · Population served: 653
• Webster WaterworksWI8070312 · CWS · Population served: 652
• Greenleaf WaterworksWI4050466 · CWS · Population served: 650
• Rock River Leisure Estates CoopWI1540167 · CWS · Population served: 650
• Stockbridge WaterworksWI4080407 · CWS · Population served: 650
• Rockland WaterworksWI6320333 · CWS · Population served: 642
• Camp Douglas WaterworksWI7290121 · CWS · Population served: 640
• Eleva WaterworksWI6620270 · CWS · Population served: 635
• Carter Community055295205 · CWS · Population served: 634
• Brownsville WaterworksWI1140139 · CWS · Population served: 630
• Bruce WaterworksWI8550127 · CWS · Population served: 620
• Mequon Trail TownhomesWI2460817 · CWS · Population served: 615
• Huntington ParkWI2460151 · CWS · Population served: 600
• Iron River Sanitary DistrictWI8040131 · CWS · Population served: 600
• Village of Bristol WaterworksWI2300050 · CWS · Population served: 598
• Soldiers Grove WaterworksWI6120252 · CWS · Population served: 592
• North Freedom WaterworksWI1570096 · CWS · Population served: 589
• Delafield SquareWI2685812 · CWS · Population served: 587
• Lena WaterworksWI4430493 · CWS · Population served: 585
• Wausaukee WaterworksWI4380445 · CWS · Population served: 585
• Autumn Ridge Water System LLCWI1281138 · CWS · Population served: 575
• Rocky Knoll Health Care FacWI4600447 · CWS · Population served: 564
• Stetsonville WaterworksWI8610550 · CWS · Population served: 563
• Minong WaterworksWI8660303 · CWS · Population served: 561
• Kieler Sd No 1WI1220103 · CWS · Population served: 560
• Ontario WaterworksWI6630259 · CWS · Population served: 554
• Star Prairie WaterworksWI6560141 · CWS · Population served: 553
• Hatley WaterworksWI7371256 · CWS · Population served: 550
• Phelps Sanitary DistrictWI7640114 · CWS · Population served: 550
• New Auburn WaterworksWI6090461 · CWS · Population served: 549
• Linden WaterworksWI1250082 · CWS · Population served: 547
• Avoca WaterworksWI1250074 · CWS · Population served: 545
• Boyd WaterworksWI6090449 · CWS · Population served: 540
• Warrens WaterworksWI6420305 · CWS · Population served: 540
• Ettrick WaterworksWI6620273 · CWS · Population served: 536
• Gresham WaterworksWI4590454 · CWS · Population served: 534
• Merrillan WaterworksWI6270294 · CWS · Population served: 531
• Spacious Acres Mobile Home CommunityWI1280114 · CWS · Population served: 525
• Melrose WaterworksWI6270293 · CWS · Population served: 524
• Suring WaterworksWI4430498 · CWS · Population served: 517
• Vesper WaterworksWI7720134 · CWS · Population served: 512
• Adell WaterworksWI4600435 · CWS · Population served: 510