Strafford Water Quality Report
7 cities ranked · Average grade: C+ · New Hampshire
Avg Score
67
Cities Ranked
7
Health Violations
7
PFAS Detected
1
67
County avg score
7
Cities ranked
57%
A or B grade
29%
D or F grade
7
Health violations
1
PFAS detected
Grade Distribution
How Strafford cities scored
A
1
14%
Excellent
B
3
43%
Good
C
1
14%
Fair
D
0
0%
Poor
F
2
29%
Failing
Comparison
County vs New Hampshire average
▲ 4.7 pts above state average
City Map
Water quality across Strafford
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Strafford
Worst cities
County context
4
Superfund sites in Strafford
77.3%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Strafford
Industrial polluters nearby
Facilities reporting the most surface-water releases in Strafford, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
VISHAY-HIREL SYSTEMS LLC (FORMERLY D T MAGNETICS) DOVER, NH03820 | — | — |
AGILITY MANUFACTURING INC DOVER, NH03820 | — | — |
SIG SAUER DURHAM, NH03824 | — | — |
TURBOCAM INC. BARRINGTON, NH03825 | — | — |
TURBOCAM ENERGY SOLUTIONS LLC DOVER, NH03820 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Strafford
Superfund sites nearby
Federally tracked hazardous-waste sites within Strafford on the EPA National Priorities List.
- COLLINS AIKMAN PLANT FORMER
- DOVER MUNICIPAL LANDFILL
- SOMERSWORTH SANITARY LANDFILL
- TIBBETTS ROAD
Source: EPA Superfund National Priorities List
Full Rankings
All 7 cities in Strafford
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Somersworth | A- | 89.7 | 12K | 38 | Health Unresolved | |
| 2 | Dover | B+ | 84 | 29K | 58 | Health Unresolved | |
| 3 | Durham | B | 78.8 | 16K | 55 | Health Unresolved | |
| 4 | Farmington | B | 77.5 | 3K | 17 | Health Lead Unresolved | |
| 5 | Rollinsford | C+ | 65.6 | 2K | 47 | Health Lead Unresolved | |
| 6 | Rochester | F | 42.5 | 26K | 317 | Health Unresolved | |
| 7 | Barrington | F | 31 | 2K | 619 | Health Lead Unresolved |