GROTON UTILITIES Water Quality Report
Population
30,200
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 3
violations recorded
C
Fair
Safety Grade
3 violations in the past 5 years
System Details
- PWSID
- CT0590011
- Population Served
- 30,200
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Connecticut
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0300 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Bromate | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
1
2023
2
2020
1
2019
1
Total violations on record: 5
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
5violations total
18% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.