Water Quality: Norwich, CT

4 water systems • 36,497 people served

Multiple Health Violations
90
Total Violations
27
Health-Based Violations
4
Water Systems
36,497
Population Served

Water Quality Summary

Norwich has 27 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine Dioxide, Disinfection Byproducts, E. coli, Stage 2 DBP, TTHM, Total Haloacetic Acids (HAA5). In total, 90 violations are on record for 4 water systems serving 36,497 people.

Contaminants Found

Chlorine Dioxide
Disinfection Byproducts
E. coli
Stage 2 DBP
TTHM
Total Haloacetic Acids (HAA5)

Water Systems Serving Norwich

System Name PWSID Source Population Violations
NORWICH PUBLIC UTILITIES CT1040011 Surface Water 36,163 29
CAMPBELL HEIGHTS APARTMENTS CT0229031 Groundwater 152 32
ASH WATER COMPANY, LLC CT0720101 Groundwater 108 8
ASHLAND POND MOBILE HOME PARK CT0580061 Groundwater 74 21

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for CT