Cheshire Water Quality Report
8 cities ranked · Average grade: B- · New Hampshire
Avg Score
70.1
Cities Ranked
8
Health Violations
8
PFAS Detected
1
70.1
County avg score
8
Cities ranked
63%
A or B grade
25%
D or F grade
8
Health violations
1
PFAS detected
Grade Distribution
How Cheshire cities scored
A
2
25%
Excellent
B
3
38%
Good
C
1
13%
Fair
D
2
25%
Poor
F
0
0%
Failing
Comparison
County vs New Hampshire average
▲ 7.8 pts above state average
City Map
Water quality across Cheshire
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Cheshire
Best cities
Worst cities
County context
1
Superfund site in Cheshire
5.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Cheshire
Industrial polluters nearby
Facilities reporting the most surface-water releases in Cheshire, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
DUXBURY COMPOSITE PRODUCTS DBA PLP COMPOSITES FITZWILLIAM, NH03447 | — | — |
EMD MILLIPORE CORP JAFFREY, NH03452 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Cheshire
Superfund sites nearby
Federally tracked hazardous-waste sites within Cheshire on the EPA National Priorities List.
- TROY MILLS LANDFILL
Source: EPA Superfund National Priorities List
Full Rankings
All 8 cities in Cheshire
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Keene | A- | 89.2 | 30K | 22 | Health Unresolved | |
| 2 | Marlborough | A- | 86.7 | 850 | 75 | Health Unresolved | |
| 3 | Jaffrey | B+ | 80.9 | 4K | 45 | Health PFAS Unresolved | |
| 4 | Troy | B- | 71.5 | 1K | 52 | Health Lead Unresolved | |
| 5 | Hinsdale | B- | 71.2 | 3K | 231 | Health Unresolved | |
| 6 | Winchester | C- | 59.5 | 3K | 62 | Health Unresolved | |
| 7 | Swanzey | D+ | 53.3 | 3K | 291 | Health Lead Unresolved | |
| 8 | Walpole | D | 48.7 | 2K | 210 | Health Unresolved |