City Water Quality Rankings in Missouri
336 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Steele
County, MO
78 B
#218 Wappappello
County, MO
78 B
#219 Webb City
County, MO
78 B
#220 Whiteman Afb
County, MO
78 B
#221 Appleton City
County, MO
77 B
#222 Cole Camp
County, MO
77 B
#223 Kennett
County, MO
77 B
#224 Kirksville
County, MO
77 B
#225 Merriam Woods
County, MO
77 B
#226 Nixa
County, MO
77 B
#227 Sheldon
County, MO
77 B
#228 St Clair
County, MO
77 B
#229 Carrollton
County, MO
76 B
#230 Clever
County, MO
76 B
#231 Lees Summit
County, MO
76 B
#232 Rogersville
County, MO
76 B
#233 Washington
County, MO
76 B
#234 Bernie
County, MO
75 B
#235 Elsberry
County, MO
75 B
#236 Seymour
County, MO
75 B
#237 St James
County, MO
75 B
#238 Adrian
County, MO
74 C
#239 Buckner
County, MO
74 C
#240 Mercer
County, MO
74 C
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.