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#39 of 49B

New Hampshire Water Quality

New Hampshire ranks #39 out of 49 states for tap water quality with a score of 78.3 out of 100.

Based on 10 scored cities covering 40.6% of the state's served population.

Summary

Overall Score
78.3
out of 100
Cities Tested
10
cities
Cities w/ Violations
9
90% of cities
Avg Contaminants
1.5
above guidelines
Population
745,574
people affected

Best Cities in New Hampshire

Score: 98.2
Score: 83
Score: 83
Score: 78
Score: 78

Cities Needing Improvement

Score: 69
Score: 71
Score: 71
Score: 71
Score: 76

Cities listed carry the most serious water quality verdicts in New Hampshire, worst first, then the lowest scores. A city rated Safe is never listed.

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Frequently Asked Questions About New Hampshire Water Quality

New Hampshire ranks #39 out of 49 states and territories for water quality with a score of 78.3 out of 100 and a grade of B. A total of 10 cities were tested across the state.

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