#33 of 51A
Idaho Water Quality
Idaho ranks #33 out of 51 states for tap water quality with a score of 81.7 out of 100.
Summary
Overall Score
81.7
out of 100
Cities Tested
53
cities
Cities w/ Violations
49
92% of cities
Avg Contaminants
9.3
above guidelines
Population
3.0M
people affected
Best Cities in Idaho
Pop: 2,850Score: 100
Pop: 9,198Score: 100
Pop: 14,988Score: 98
Pop: 2,600Score: 96
Pop: 2,237Score: 96
Cities Needing Improvement
Pop: 57,073Score: 70
Pop: 15,770Score: 70
Pop: 50,527Score: 75
Pop: 3,627Score: 75
Pop: 2,858Score: 75
Cities listed have the lowest water quality scores in Idaho.
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