WaterQ

City Water Quality Rankings in Minnesota

333 cities ranked by drinking water quality.

Popular city water quality comparisons

Trending Cities

#265
Red Lake Falls
County, MN
84 B
#266
Shorewood
County, MN
84 B
#267
Stewartville
County, MN
84 B
#268
Watertown
County, MN
84 B
#269
Worthington
County, MN
84 B
#270
Columbia Heights
County, MN
83 B
#271
Glenwood
County, MN
83 B
#272
Grand Rapids
County, MN
83 B
#273
Lino Lakes
County, MN
83 B
#274
Willmar
County, MN
83 B
#275
Albany
County, MN
82 B
#276
Arlington
County, MN
82 B
#277
Jordan
County, MN
82 B
#278
Osseo
County, MN
82 B
#279
Rush City
County, MN
82 B
#280
Sartell
County, MN
82 B
#281
Slayton
County, MN
82 B
#282
South St. Paul
County, MN
82 B
#283
Starbuck
County, MN
82 B
#284
Fairfax
County, MN
81 B
#285
Roseau
County, MN
81 B
#286
Big Lake
County, MN
80 B
#287
Janesville
County, MN
80 B
#288
Lakefield
County, MN
80 B

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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