C59/100
MONTVILLE WATER SUPPLY — Water Quality Report 2026
Serving 1,300 people · Connecticut
Water Source
Purchased Surface Water
County
—
System ID
CT0864011
Violations
29
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 MONTVILLE WATER SUPPLY
Is MONTVILLE WATER SUPPLY water safe to drink?
MONTVILLE WATER SUPPLY water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 29 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MONTVILLE WATER SUPPLY detected?
1 contaminants were tested in MONTVILLE WATER SUPPLY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MONTVILLE WATER SUPPLY have any EPA violations?
Yes, MONTVILLE WATER SUPPLY has 29 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, MCL, Other. 3 are health-based violations.
How many people does MONTVILLE WATER SUPPLY serve?
MONTVILLE WATER SUPPLY serves approximately 1,300 people, Connecticut. The system provides water to 2 communities: Montville, Waterford.
What type of water does MONTVILLE WATER SUPPLY provide?
MONTVILLE WATER SUPPLY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CT0864011.
How does MONTVILLE WATER SUPPLY compare to other utilities in Connecticut?
MONTVILLE WATER SUPPLY scores 59/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Connecticut state page for a full comparison of water systems.