#3 of 51A
New Hampshire Water Quality
New Hampshire ranks #3 out of 51 states for tap water quality with a score of 99.5 out of 100.
Summary
Overall Score
99.5
out of 100
Cities Tested
37
cities
Cities w/ Violations
1
3% of cities
Avg Contaminants
0.1
above guidelines
Population
640,451
people affected
Best Cities in New Hampshire
Pop: 170Score: 100
Pop: 491Score: 100
Pop: 16,392Score: 100
Pop: 112,932Score: 100
Pop: 14,082Score: 100
Cities Needing Improvement
Pop: 12,000Score: 90
Pop: 10,175Score: 90
Pop: 2,750Score: 96
Pop: 25,000Score: 96
Pop: 2,500Score: 100
Cities listed have the lowest water quality scores in New Hampshire.
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Frequently Asked Questions About New Hampshire Water Quality
New Hampshire ranks #3 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 37 cities were tested across the state.
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