F0/100
HAMILTON WATER DEPT — Water Quality Report 2026
Serving 7,377 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA3119000
Violations
66
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.011 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.011 µg/L | 0.004 µg/L | Over Limit |
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 2019.
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 HAMILTON WATER DEPT
Is HAMILTON WATER DEPT water safe to drink?
HAMILTON WATER DEPT water receives a grade of F (0/100), which is considered failing. 2 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 HAMILTON WATER DEPT detected?
31 contaminants were tested in HAMILTON WATER DEPT's water. Notable contaminants include PFOS, PFOA, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does HAMILTON WATER DEPT have any EPA violations?
Yes, HAMILTON WATER DEPT has 66 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR, TT. 11 are health-based violations.
How many people does HAMILTON WATER DEPT serve?
HAMILTON WATER DEPT serves approximately 7,377 people, Massachusetts. The system provides water to 1 community: Hamilton.
What type of water does HAMILTON WATER DEPT provide?
HAMILTON WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA3119000.
How does HAMILTON WATER DEPT compare to other utilities in Massachusetts?
HAMILTON WATER DEPT scores 0/100 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.