City Water Quality Rankings in Ohio
417 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#193
Mt Gilead
County, OH
92 A
#194 Munroe Falls
County, OH
92 A
#195 N Canton
County, OH
92 A
#196 Rittman
County, OH
92 A
#197 Sardis
County, OH
92 A
#198 Somerville
County, OH
92 A
#199 Bedford
County, OH
91 A
#200 Convoy
County, OH
91 A
#201 Covington
County, OH
91 A
#202 Dalton
County, OH
91 A
#203 Fremont
County, OH
91 A
#204 Green Springs
County, OH
91 A
#205 Lexington
County, OH
91 A
#206 Marysville
County, OH
91 A
#207 New Vienna
County, OH
91 A
#208 North Ridgeville
County, OH
91 A
#209 Roseville
County, OH
91 A
#210 South Point
County, OH
91 A
#211 Andover
County, OH
90 A
#212 Archbold
County, OH
90 A
#213 Berlin
County, OH
90 A
#214 Cardington
County, OH
90 A
#215 Coshocton
County, OH
90 A
#216 Criderville
County, OH
90 A
Frequently Asked Questions
How are city water quality rankings calculated in Ohio?
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 Ohio?
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.