WaterVerge

Coos Water Quality Report

6 cities ranked · Average grade: B · New Hampshire

Avg Score
76.8
Cities Ranked
6
Health Violations
6
PFAS Detected
0
Live Water Alerts for New Hampshire →
76.8
County avg score
6
Cities ranked
67%
A or B grade
0%
D or F grade
6
Health violations
0
PFAS detected

How Coos cities scored

17%
50%
33%
A
1
17%
Excellent
B
3
50%
Good
C
2
33%
Fair
D
0
0%
Poor
F
0
0%
Failing

County vs New Hampshire average

B
Coos
76.8/100
C
New Hampshire avg
62.3/100
▲ 14.5 pts above state average

Water quality across Coos

Each dot is a city, colored by grade. Click any city to view its full report.

New Hampshire city water quality map
1
Superfund site in Coos
10.5%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Coos

Industrial polluters nearby

Facilities reporting the most surface-water releases in Coos, 2023.

FacilityTop chemicalTo surface water (lbs/yr)
FCI BERLIN
Other · US DEPARTMENT OF JUSTICE
BERLIN, NH03570
FITCH FUEL CO INC.
Other · NA
LANCASTER, NH03584

Source: EPA Toxic Release Inventory (TRI) 2023

Superfund sites in Coos

Superfund sites nearby

Federally tracked hazardous-waste sites within Coos on the EPA National Priorities List.

Source: EPA Superfund National Priorities List

All 6 cities in Coos

# City Grade Score Score Population Violations Issues
1 Lancaster
A-
89
2K 44 Health Unresolved
2 Berlin
B+
83.3
10K 3 Health Unresolved
3 Whitefield
B+
81.9
2K 16 Health Unresolved
4 Gorham
B-
70.9
3K 64 Health Lead Unresolved
5 Northumberland
C+
69.3
3K 43 Health Lead Unresolved
6 Colebrook
C+
66.6
1K 69 Health Lead Unresolved
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail