Hawaii Water Quality
Hawaii ranks #4 out of 51 states for tap water quality with a score of 99.5 out of 100.
Based on 65 scored cities covering 100% of the state's served population.
Summary
Cities Needing Improvement
Cities listed have the lowest water quality scores in Hawaii.
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Frequently Asked Questions About Hawaii Water Quality
Hawaii ranks #4 out of 51 states and territories for water quality with a score of 99.5 out of 100 and a grade of A. A total of 65 cities were tested across the state.
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