#36 of 51A
Ohio Water Quality
Ohio ranks #36 out of 51 states for tap water quality with a score of 81.0 out of 100.
Summary
Overall Score
81.0
out of 100
Cities Tested
266
cities
Cities w/ Violations
262
98% of cities
Avg Contaminants
5.4
above guidelines
Population
45.8M
people affected
Best Cities in Ohio
Pop: 2,502Score: 100
Pop: 2,147Score: 100
Pop: 25,965Score: 98
Pop: 200Score: 98
Pop: 2,000Score: 96
Cities Needing Improvement
Pop: 140,407Score: 75
Pop: 48,600Score: 75
Pop: 15,000Score: 75
Pop: 765,200Score: 75
Pop: 140,553Score: 75
Cities listed have the lowest water quality scores in Ohio.
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Frequently Asked Questions About Ohio Water Quality
Ohio ranks #36 out of 51 states and territories for water quality with a score of 81.0 out of 100 and a grade of A. A total of 266 cities were tested across the state.
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