City Water Quality Rankings in Missouri
335 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#265
Adrian
County, MO
72 C
#266 Buffalo
County, MO
72 C
#267 Fredricktown
County, MO
72 C
#268 Portageville
County, MO
72 C
#269 Stanberry
County, MO
72 C
#270 Warrenton
County, MO
72 C
#271 Marthasville
County, MO
71 C
#272 Millersville
County, MO
71 C
#273 Rich Hill
County, MO
71 C
#274 Forsyth
County, MO
70 C
#275 Highlandville
County, MO
70 C
#276 Strafford
County, MO
70 C
#277 Camdenton
County, MO
69 C
#278 Knox City
County, MO
69 C
#279 Moscow Mills
County, MO
69 C
#280 Savannah
County, MO
69 C
#281 Crystal City
County, MO
68 C
#282 Doniphan
County, MO
68 C
#283 Mountain Grove
County, MO
68 C
#284 Oak Grove
County, MO
68 C
#285 Scott City
County, MO
68 C
#286 Windsor
County, MO
68 C
#287 Ava
County, MO
66 C
#288 Boonville
County, MO
66 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.