Water Quality: Norwalk, CT

2 water systems • 40,356 people served

Some Concerns
8
Total Violations
1
Health-Based Violations
2
Water Systems
40,356
Population Served

Water Quality Summary

Norwalk has 1 health-based violation on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine Dioxide. In total, 8 violations are on record for 2 water systems serving 40,356 people.

Contaminants Found

Chlorine Dioxide

Water Systems Serving Norwalk

System Name PWSID Source Population Violations
NORWALK FIRST TAXING DISTRICT CT1030011 Surface Water 40,256 4
BREEZY KNOLL ASSOCIATION CT0878011 Groundwater 100 4

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