#43 of 51B
Wisconsin Water Quality
Wisconsin ranks #43 out of 51 states for tap water quality with a score of 77.7 out of 100.
Summary
Overall Score
77.7
out of 100
Cities Tested
173
cities
Cities w/ Violations
169
98% of cities
Avg Contaminants
4.6
above guidelines
Population
4.7M
people affected
Best Cities in Wisconsin
Pop: 2,805Score: 100
Pop: 5,595Score: 100
Pop: 3,172Score: 100
Pop: 1,931Score: 96
Pop: 1,958Score: 96
Cities Needing Improvement
Pop: 49,870Score: 65
Pop: 48,787Score: 65
Pop: 48,481Score: 65
Pop: 48,481Score: 65
Pop: 42,406Score: 65
Cities listed have the lowest water quality scores in Wisconsin.
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Frequently Asked Questions About Wisconsin Water Quality
Wisconsin ranks #43 out of 51 states and territories for water quality with a score of 77.7 out of 100 and a grade of B. A total of 173 cities were tested across the state.
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