WaterQ

City Water Quality Rankings in Wisconsin

269 cities ranked by drinking water quality.

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Popular city water quality comparisons

Algoma, WI vs Baraboo, WI Compare → Bristol, WI vs Brodhead, WI Compare → Brussels, WI vs Cornell, WI Compare → Cumberland, WI vs Durand, WI Compare →

Trending Cities

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#73
Roberts
County, WI
96 A
#74
Saukville
County, WI
96 A
#75
Sheboygan Falls
County, WI
96 A
#76
Shullsburg
County, WI
96 A
#77
Sister Bay
County, WI
96 A
#78
Stoughton
County, WI
96 A
#79
Appleton
County, WI
95 A
#80
Menasha
County, WI
95 A
#81
Neenah
County, WI
95 A
#82
Neillsville
County, WI
95 A
#83
Seymour
County, WI
95 A
#84
Berlin
County, WI
94 A
#85
Cedar Grove
County, WI
94 A
#86
Chetek
County, WI
94 A
#87
Cross Plains
County, WI
94 A
#88
Cudahy
County, WI
94 A
#89
East Troy
County, WI
94 A
#90
Hammond
County, WI
94 A
#91
Hilbert
County, WI
94 A
#92
Independence
County, WI
94 A
#93
Kiel
County, WI
94 A
#94
Markesan
County, WI
94 A
#95
Muscoda
County, WI
94 A
#96
New Glarus
County, WI
94 A

Frequently Asked Questions

How are city water quality rankings calculated in Wisconsin?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in Wisconsin?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

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