A87/100
Mohegan Tribal Utility Authority — Water Quality Report 2026
Serving 31,961 people · Connecticut
Water Source
Purchased Surface Water
County
—
System ID
010109005
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 300.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/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 Mohegan Tribal Utility Authority
Is Mohegan Tribal Utility Authority water safe to drink?
Mohegan Tribal Utility Authority water receives a grade of A (87/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Mohegan Tribal Utility Authority detected?
69 contaminants were tested in Mohegan Tribal Utility Authority's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does Mohegan Tribal Utility Authority have any EPA violations?
Yes, Mohegan Tribal Utility Authority has 3 EPA violation(s) on record, with the most recent in 2020. Violation types include MCL, RPT, MR. 1 are health-based violations.
How many people does Mohegan Tribal Utility Authority serve?
Mohegan Tribal Utility Authority serves approximately 31,961 people, Connecticut.
What type of water does Mohegan Tribal Utility Authority provide?
Mohegan Tribal Utility Authority 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 010109005.
How does Mohegan Tribal Utility Authority compare to other utilities in Connecticut?
Mohegan Tribal Utility Authority scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Connecticut state page for a full comparison of water systems.