City Water Quality Rankings in Missouri
336 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#193
Warsaw
County, MO
81 B
#194 Alton
County, MO
80 B
#195 El Dorado Springs
County, MO
80 B
#196 Houston
County, MO
80 B
#197 Marshall
County, MO
80 B
#198 Odessa
County, MO
80 B
#199 Albany
County, MO
79 B
#200 Broseley
County, MO
79 B
#201 Brunswick
County, MO
79 B
#202 Lebanon
County, MO
79 B
#203 Licking
County, MO
79 B
#204 Linn
County, MO
79 B
#205 Nevada
County, MO
79 B
#206 Sikeston
County, MO
79 B
#207 Stockton
County, MO
79 B
#208 Bismarck
County, MO
78 B
#209 Eureka
County, MO
78 B
#210 Franklin
County, MO
78 B
#211 Fulton
County, MO
78 B
#212 Hayti
County, MO
78 B
#213 Hollister
County, MO
78 B
#214 Humansville
County, MO
78 B
#215 Mt Vernon
County, MO
78 B
#216 Salem
County, MO
78 B
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.