NORWICH PUBLIC UTILITIES Water Quality Report
Population
36,163
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 18 health-based
System Details
- PWSID
- CT1040011
- Population Served
- 36,163
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Connecticut
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 9 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 16 |
| Haloacetic Acids (HAA5) | ✕ Health-Based | 2 |
Violation History
2020
2
2018
8
2017
8
2016
8
2015
1
2007
1
2006
1
Total violations on record: 29
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade A
Avg: B-C
29violations total
104% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.