WaterQ

City Water Quality Rankings in Minnesota

333 cities ranked by drinking water quality.

Popular city water quality comparisons

Trending Cities

#289
Morris
County, MN
80 B
#290
Madelia
County, MN
79 B
#291
Pine City
County, MN
79 B
#292
Sauk Centre
County, MN
79 B
#293
Hawley
County, MN
78 B
#294
Preston
County, MN
78 B
#295
Truman
County, MN
78 B
#296
Waverly
County, MN
78 B
#297
Zimmerman
County, MN
78 B
#298
Buhl
County, MN
77 B
#299
Cloquet
County, MN
77 B
#300
Milaca
County, MN
77 B
#301
Chisago City
County, MN
76 B
#302
Dawson
County, MN
76 B
#303
Albertville
County, MN
74 C
#304
Fosston
County, MN
74 C
#305
Lake City
County, MN
74 C
#306
Mapleton
County, MN
74 C
#307
Ortonville
County, MN
74 C
#308
Howard Lake
County, MN
72 C
#309
Winthrop
County, MN
72 C
#310
Welch
County, MN
71 C
#311
Gaylord
County, MN
70 C
#312
Granite Falls
County, MN
70 C

Frequently Asked Questions

How are city water quality rankings calculated in Minnesota?

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 Minnesota?

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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