D33/100
STOUGHTON WATER DEPARTMENT — Water Quality Report 2026
Serving 29,281 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA4285000
Violations
12
Contaminant Test Results
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
PFOA | 0.007 µg/L | 0.004 µg/L | Over Limit |
PFOS | 0.006 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 STOUGHTON WATER DEPARTMENT
Is STOUGHTON WATER DEPARTMENT water safe to drink?
STOUGHTON WATER DEPARTMENT water receives a grade of D (33/100), which is considered poor. 3 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has STOUGHTON WATER DEPARTMENT detected?
70 contaminants were tested in STOUGHTON WATER DEPARTMENT's water. Notable contaminants include PFOA, PFOS, Copper (90th percentile), Lead (90th percentile). 3 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).
Does STOUGHTON WATER DEPARTMENT have any EPA violations?
Yes, STOUGHTON WATER DEPARTMENT has 12 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MCL. 7 are health-based violations.
How many people does STOUGHTON WATER DEPARTMENT serve?
STOUGHTON WATER DEPARTMENT serves approximately 29,281 people, Massachusetts. The system provides water to 1 community: Stoughton.
What type of water does STOUGHTON WATER DEPARTMENT provide?
STOUGHTON WATER DEPARTMENT 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 MA4285000.
How does STOUGHTON WATER DEPARTMENT compare to other utilities in Massachusetts?
STOUGHTON WATER DEPARTMENT scores 33/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.