#1 of 51A
Hawaii Water Quality
Hawaii ranks #1 out of 51 states for tap water quality with a score of 99.9 out of 100.
Summary
Overall Score
99.9
out of 100
Cities Tested
30
cities
Cities w/ Violations
2
7% of cities
Avg Contaminants
0.1
above guidelines
Population
10.4M
people affected
Best Cities in Hawaii
Pop: 631,389Score: 100
2Aiea
Pop: 696,619Score: 100
Pop: 631,389Score: 100
Pop: 696,619Score: 100
Pop: 5,256Score: 100
Cities Needing Improvement
Pop: 75,887Score: 91
Pop: 100Score: 91
Pop: 29,581Score: 94
Pop: 4,000Score: 96
Pop: 65,230Score: 98
Cities listed have the lowest water quality scores in Hawaii.
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Frequently Asked Questions About Hawaii Water Quality
Hawaii ranks #1 out of 51 states and territories for water quality with a score of 99.9 out of 100 and a grade of A. A total of 30 cities were tested across the state.
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