52.2
County avg score
5
Cities ranked
0%
A or B grade
60%
D or F grade
5
Health violations
1
PFAS detected
Grade Distribution
How Middlesex cities scored
A
0
0%
Excellent
B
0
0%
Good
C
2
40%
Fair
D
3
60%
Poor
F
0
0%
Failing
Comparison
County vs Connecticut average
▼ 8.6 pts below state average
City Map
Water quality across Middlesex
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Middlesex
Full Rankings
All 5 cities in Middlesex
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Deep River | C | 64.1 | 5K | 276 | Health Unresolved | |
| 2 | Killingworth | C- | 55.8 | 750 | 162 | Health Unresolved | |
| 3 | Durham | D | 49 | 2K | 664 | Health Unresolved | |
| 4 | Middletown | D | 46 | 44K | 302 | Health Unresolved | |
| 5 | East Hampton | D | 46 | 2K | 889 | Health Unresolved |