#13 of 51A
Colorado Water Quality
Colorado ranks #13 out of 51 states for tap water quality with a score of 86.7 out of 100.
Summary
Overall Score
86.7
out of 100
Cities Tested
156
cities
Cities w/ Violations
156
100% of cities
Avg Contaminants
6.3
above guidelines
Population
57.2M
people affected
Best Cities in Colorado
Pop: 1,321,071Score: 100
Pop: 1,445,495Score: 100
Pop: 1,352,071Score: 100
Pop: 1,296,478Score: 100
Pop: 1,356,300Score: 100
Cities Needing Improvement
Pop: 11,500Score: 70
Pop: 67,544Score: 70
Pop: 47,544Score: 70
Pop: 15,465Score: 70
Pop: 70,414Score: 70
Cities listed have the lowest water quality scores in Colorado.
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