City Water Quality Rankings in Minnesota
333 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#313
Howard Lake
County, MN
74 C
#314 Lake City
County, MN
74 C
#315 Mapleton
County, MN
74 C
#316 Pelican Rapids
County, MN
72 C
#317 Winthrop
County, MN
72 C
#318 Monticello
County, MN
71 C
#319 Welch
County, MN
71 C
#320 Lindstrom
County, MN
70 C
#321 Nett Lake
County, MN
70 C
#322 Dilworth
County, MN
68 C
#323 Adrian
County, MN
66 C
#324 Morton
County, MN
63 C
#325 Inver Grove Heights
County, MN
61 C
#326 Ely
County, MN
56 D
#327 Savage
County, MN
53 D
#328 Lake Elmo
County, MN
47 D
#329 Eveleth
County, MN
44 F
#330 Moose Lake
County, MN
43 F
#331 Thief River Falls
County, MN
13 F
#332 Le Center
County, MN
0 F
#333 Red Lake
County, MN
0 F
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.