Rockingham Water Quality Report
2 cities ranked · Average grade: B- · Connecticut
Avg Score
74.6
Cities Ranked
2
Health Violations
2
PFAS Detected
2
74.6
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
2
PFAS detected
Grade Distribution
How Rockingham cities scored
A
0
0%
Excellent
B
2
100%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Connecticut average
▲ 15.8 pts above state average
City Map
Water quality across Rockingham
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Rockingham
Best cities
Worst cities
County context
8
Superfund sites in Rockingham
39.5%
of residents on fluoridated water (CDC, 2020)
11
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Rockingham
Industrial polluters nearby
Facilities reporting the most surface-water releases in Rockingham, 2023.
Total reported releases to surface water: 11 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
SPRAGUE RIVER ROAD TERMINAL NEWINGTON, NH03801 | 1,2,4-Trimethylbenzene | 11 |
HOLOGIC INC LONDONDERRY, NH03053 | — | — |
ALCUMET INC LONDONDERRY, NH03053 | — | — |
L3 TECHNOLOGIES INC. LONDONDERRY, NH03053 | — | — |
LACTALIS US YOGURT INC. LONDONDERRY, NH03053 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Rockingham
Superfund sites nearby
Federally tracked hazardous-waste sites within Rockingham on the EPA National Priorities List.
- AUBURN ROAD LANDFILL
- BEEDE WASTE OIL
- COAKLEY LANDFILL
- KEEFE ENVIRONMENTAL SERVICES KES
- MOTTOLO PIG FARM
+ 3 more sites
Source: EPA Superfund National Priorities List
Full Rankings