Windham Water Quality Report
9 cities ranked · Average grade: D · Connecticut
Avg Score
48.6
Cities Ranked
9
Health Violations
9
PFAS Detected
6
48.6
County avg score
9
Cities ranked
11%
A or B grade
78%
D or F grade
9
Health violations
6
PFAS detected
Grade Distribution
How Windham cities scored
A
0
0%
Excellent
B
1
11%
Good
C
1
11%
Fair
D
4
44%
Poor
F
3
33%
Failing
Comparison
County vs Connecticut average
▼ 10.2 pts below state average
City Map
Water quality across Windham
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Windham
Best cities
Worst cities
Full Rankings
All 9 cities in Windham
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Windham | B+ | 80.8 | 22K | 50 | Health Unresolved | |
| 2 | Killingly | C- | 56.6 | 8K | 172 | Health PFAS Unresolved | |
| 3 | Putnam | D | 47.4 | 8K | 179 | Health PFAS Unresolved | |
| 4 | Ashford | D | 47 | 1K | 588 | Health Unresolved | |
| 5 | Pomfret | D | 47 | 850 | 443 | Health Unresolved | |
| 6 | Plainfield | D | 46 | 5K | 448 | Health Unresolved | |
| 7 | Putnam | F | 40 | 9K | 735 | Health PFAS Unresolved | |
| 8 | Killingly | F | 37.5 | 8K | 407 | Health PFAS Unresolved | |
| 9 | Putnam | F | 35 | 8K | 748 | Health PFAS Unresolved |