WaterQ

City Water Quality Rankings in Minnesota

333 cities ranked by drinking water quality.

Popular city water quality comparisons

Trending Cities

#289
Arlington
County, MN
82 B
#290
Cloquet
County, MN
82 B
#291
Jordan
County, MN
82 B
#292
Morris
County, MN
82 B
#293
Osseo
County, MN
82 B
#294
Sartell
County, MN
82 B
#295
Slayton
County, MN
82 B
#296
South St. Paul
County, MN
82 B
#297
Big Lake
County, MN
80 B
#298
Gaylord
County, MN
80 B
#299
Janesville
County, MN
80 B
#300
Albertville
County, MN
78 B
#301
Cass Lake
County, MN
78 B
#302
Hawley
County, MN
78 B
#303
Preston
County, MN
78 B
#304
Truman
County, MN
78 B
#305
Zimmerman
County, MN
78 B
#306
Dawson
County, MN
77 B
#307
Chisago City
County, MN
76 B
#308
Columbia Heights
County, MN
76 B
#309
Granite Falls
County, MN
76 B
#310
Rosemount
County, MN
76 B
#311
Buhl
County, MN
74 C
#312
Fosston
County, MN
74 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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