F7/100
MILLIS WATER DEPT — Water Quality Report 2026
Serving 9,002 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA2187000
Violations
66
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.42 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
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 MILLIS WATER DEPT
Is MILLIS WATER DEPT water safe to drink?
MILLIS WATER DEPT water receives a grade of F (7/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 66 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MILLIS WATER DEPT detected?
32 contaminants were tested in MILLIS WATER DEPT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MILLIS WATER DEPT have any EPA violations?
Yes, MILLIS WATER DEPT has 66 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, MCL. 4 are health-based violations.
How many people does MILLIS WATER DEPT serve?
MILLIS WATER DEPT serves approximately 9,002 people, Massachusetts. The system provides water to 1 community: Millis.
What type of water does MILLIS WATER DEPT provide?
MILLIS WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA2187000.
How does MILLIS WATER DEPT compare to other utilities in Massachusetts?
MILLIS WATER DEPT scores 7/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.