#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.
Check Your City's Water Quality
See detailed water quality data and get personalized filter recommendations for your specific location.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.