Hartford Water Quality Report
36 cities ranked · Average grade: C · Connecticut
Avg Score
62.4
Cities Ranked
36
Health Violations
28
PFAS Detected
27
62.4
County avg score
36
Cities ranked
31%
A or B grade
31%
D or F grade
28
Health violations
27
PFAS detected
Grade Distribution
How Hartford cities scored
A
4
11%
Excellent
B
7
19%
Good
C
14
39%
Fair
D
4
11%
Poor
F
7
19%
Failing
Comparison
County vs Connecticut average
▲ 3.6 pts above state average
City Map
Water quality across Hartford
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Hartford
Best cities
Full Rankings
All 36 cities in Hartford
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Berlin | A- | 87 | 391K | 3 | Unresolved | |
| 2 | Berlin | A- | 87 | 391K | 3 | Unresolved | |
| 3 | Berlin | A- | 87 | 391K | 3 | Unresolved | |
| 4 | Berlin | A- | 87 | 391K | 3 | Unresolved | |
| 5 | Berlin | B+ | 83.6 | 464K | 21 | Unresolved | |
| 6 | Berlin | B+ | 80.2 | 442K | 18 | Health PFAS Unresolved | |
| 7 | Berlin | B | 77 | 391K | 11 | Health Unresolved | |
| 8 | East Granby | B | 75.4 | 101K | 203 | PFAS Unresolved | |
| 9 | Berlin | B- | 74.6 | 446K | 97 | Health PFAS Unresolved | |
| 10 | Berlin | B- | 73.8 | 492K | 206 | PFAS Unresolved | |
| 11 | Berlin | B- | 73.2 | 81K | 55 | Unresolved | |
| 12 | Plainville | C+ | 69.6 | 33K | 214 | Health PFAS Unresolved | |
| 13 | East Granby | C+ | 69.4 | 102K | 258 | Health PFAS Unresolved | |
| 14 | Bristol | C+ | 67.9 | 85K | 158 | Health PFAS Unresolved | |
| 15 | East Windsor | C+ | 67 | 21K | 212 | Health PFAS Unresolved | |
| 16 | East Granby | C+ | 66 | 17K | 106 | Health PFAS Unresolved | |
| 17 | Berlin | C | 63.4 | 159K | 176 | Health PFAS Unresolved | |
| 18 | Bristol | C | 63.1 | 62K | 363 | Health PFAS Unresolved | |
| 19 | Berlin | C | 62.5 | 396K | 262 | Health Unresolved | |
| 20 | Bristol | C | 62.1 | 59K | 245 | Health PFAS Unresolved | |
| 21 | Berlin | C | 60.9 | 544K | 228 | Health PFAS Unresolved | |
| 22 | Berlin | C | 60.5 | 544K | 236 | Health PFAS Unresolved | |
| 23 | Avon | C | 60.1 | 6K | 122 | Health PFAS Unresolved | |
| 24 | East Granby | C- | 59.6 | 102K | 265 | Health PFAS Unresolved | |
| 25 | East Granby | C- | 57.8 | 153K | 315 | Health PFAS Unresolved | |
| 26 | Berlin | D+ | 54.4 | 509K | 243 | Health PFAS Unresolved | |
| 27 | East Granby | D | 48.8 | 122K | 428 | Health PFAS Unresolved | |
| 28 | Berlin | D | 47.9 | 477K | 259 | Health Unresolved | |
| 29 | Marlborough | D | 46 | 2K | 312 | Health Unresolved | |
| 30 | Berlin | F | 44.4 | 391K | 262 | Health Unresolved | |
| 31 | Berlin | F | 41 | 553K | 419 | Health PFAS Unresolved | |
| 32 | Berlin | F | 39.9 | 508K | 524 | Health PFAS Unresolved | |
| 33 | East Granby | F | 39.6 | 120K | 573 | Health PFAS Unresolved | |
| 34 | East Granby | F | 38.4 | 28K | 436 | Health PFAS Unresolved | |
| 35 | East Granby | F | 36.4 | 103K | 324 | Health PFAS Unresolved | |
| 36 | East Granby | F | 33.4 | 153K | 811 | Health PFAS Unresolved |