F17/100
NORWICH PUBLIC UTILITIES — Water Quality Report 2026
Serving 36,163 people · Connecticut
Water Source
Surface Water
County
—
System ID
CT1040011
Violations
28
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 216.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About NORWICH PUBLIC UTILITIES
Is NORWICH PUBLIC UTILITIES water safe to drink?
NORWICH PUBLIC UTILITIES water receives a grade of F (17/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NORWICH PUBLIC UTILITIES detected?
69 contaminants were tested in NORWICH PUBLIC UTILITIES's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORWICH PUBLIC UTILITIES have any EPA violations?
Yes, NORWICH PUBLIC UTILITIES has 28 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MCL, MR. 13 are health-based violations.
How many people does NORWICH PUBLIC UTILITIES serve?
NORWICH PUBLIC UTILITIES serves approximately 36,163 people, Connecticut. The system provides water to 7 communities: Franklin, Lebanon, Montville, Norwich, Bozrah, and 2 more.
What type of water does NORWICH PUBLIC UTILITIES provide?
NORWICH PUBLIC UTILITIES sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CT1040011.
How does NORWICH PUBLIC UTILITIES compare to other utilities in Connecticut?
NORWICH PUBLIC UTILITIES scores 17/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Connecticut state page for a full comparison of water systems.