Connecticut
Water Quality Report
80 Good
Average Score
80/100
Water Systems
104
Population
2.8M
Violations
0 all resolved
Score Distribution
1 A
1 B
1 C
0 D
0 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Uranium | 1 |
| PFOA (Perfluorooctanoic Acid) | 1 |
| Copper | 1 |
Lowest Scoring Water Systems
Counties in Connecticut
Cities in Connecticut
View all 54 cities →Popular City Comparisons in Connecticut
Quickly compare major cities in Connecticut by water quality score and grade.
Frequently Asked Questions
Is tap water in Connecticut safe to drink?
Connecticut has an average WaterQ score of 80/100 across 104 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Connecticut?
WaterQ currently tracks 104 public water systems in Connecticut.
Where can I compare cities in Connecticut?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.