F0/100
EAST LYME WATER & SEWER COMMISSION — Water Quality Report 2026
Serving 15,245 people · Connecticut
Water Source
Purchased Surface Water
County
—
System ID
CT0450011
Violations
218
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
manganese | 462.00 µg/L | — | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 EAST LYME WATER & SEWER COMMISSION
Is EAST LYME WATER & SEWER COMMISSION water safe to drink?
EAST LYME WATER & SEWER COMMISSION water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 218 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EAST LYME WATER & SEWER COMMISSION detected?
60 contaminants were tested in EAST LYME WATER & SEWER COMMISSION's water. Notable contaminants include manganese. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does EAST LYME WATER & SEWER COMMISSION have any EPA violations?
Yes, EAST LYME WATER & SEWER COMMISSION has 218 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MON. 6 are health-based violations.
How many people does EAST LYME WATER & SEWER COMMISSION serve?
EAST LYME WATER & SEWER COMMISSION serves approximately 15,245 people, Connecticut. The system provides water to 1 community: East Lyme.
What type of water does EAST LYME WATER & SEWER COMMISSION provide?
EAST LYME WATER & SEWER COMMISSION 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 CT0450011.
How does EAST LYME WATER & SEWER COMMISSION compare to other utilities in Connecticut?
EAST LYME WATER & SEWER COMMISSION scores 0/100 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.