New Hampshire
Water Quality Report
88 Good
Average Score
88/100
Water Systems
99
Population
797,358
Violations
4 3 unresolved
Score Distribution
1 A
0 B
0 C
0 D
1 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| PFOS (Perfluorooctane Sulfonate) | 1 |
Lowest Scoring Water Systems
Counties in New Hampshire
Cities in New Hampshire
View all 83 cities →Popular City Comparisons in New Hampshire
Quickly compare major cities in New Hampshire by water quality score and grade.
Frequently Asked Questions
Is tap water in New Hampshire safe to drink?
New Hampshire has an average WaterQ score of 88/100 across 99 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in New Hampshire?
WaterQ currently tracks 99 public water systems in New Hampshire.
Where can I compare cities in New Hampshire?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.