Middlesex Water Quality Report
9 cities ranked · Average grade: D+ · Connecticut
Avg Score
52.8
Cities Ranked
9
Health Violations
9
PFAS Detected
1
52.8
County avg score
9
Cities ranked
11%
A or B grade
67%
D or F grade
9
Health violations
1
PFAS detected
Grade Distribution
How Middlesex cities scored
A
0
0%
Excellent
B
1
11%
Good
C
2
22%
Fair
D
5
56%
Poor
F
1
11%
Failing
Comparison
County vs Connecticut average
▼ 6.0 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
Best cities
Worst cities
Full Rankings
All 9 cities in Middlesex
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Chester | B- | 73.9 | 5K | 115 | Health Unresolved | |
| 2 | Chester | C | 64.1 | 5K | 276 | Health Unresolved | |
| 3 | Killingworth | C- | 55.8 | 837 | 162 | Health Unresolved | |
| 4 | Durham | D | 49 | 3K | 664 | Health Unresolved | |
| 5 | Chester | D | 47.7 | 5K | 231 | Health Unresolved | |
| 6 | East Haddam | D | 47 | 673 | 306 | Health Unresolved | |
| 7 | Cromwell | D | 46.8 | 54K | 302 | Health Unresolved | |
| 8 | East Hampton | D | 46 | 3K | 889 | Health Unresolved | |
| 9 | Cromwell | F | 44.8 | 41K | 257 | Health Unresolved |