WaterQ

City Water Quality Rankings in Missouri

336 cities ranked by drinking water quality.

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Popular city water quality comparisons

Carthage, MO vs Cosby, MO Compare → Fair Grove, MO vs Fillmore, MO Compare → Freeman, MO vs Gower, MO Compare → Kirkwood, MO vs Paris, MO Compare →

Trending Cities

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#25
Springfield
County, MO
97 A
#26
Wheatland
County, MO
97 A
#27
Barnhart
County, MO
96 A
#28
Desoto
County, MO
96 A
#29
Festus
County, MO
96 A
#30
Gerald
County, MO
96 A
#31
Grain Valley
County, MO
96 A
#32
Holts Summit
County, MO
96 A
#33
House Springs
County, MO
96 A
#34
Mokane
County, MO
96 A
#35
Montgomery City
County, MO
96 A
#36
Owensville
County, MO
96 A
#37
Park Hills
County, MO
96 A
#38
Parkville
County, MO
96 A
#39
Platte City
County, MO
96 A
#40
Point Lookout
County, MO
96 A
#41
Sibley
County, MO
96 A
#42
Soutwest City
County, MO
96 A
#43
St Joseph
County, MO
96 A
#44
Tarkio
County, MO
96 A
#45
Unionville
County, MO
96 A
#46
Arnold
County, MO
95 A
#47
Drexel
County, MO
95 A
#48
Edina
County, MO
95 A

Frequently Asked Questions

How are city water quality rankings calculated in Missouri?

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 Missouri?

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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