D34/100
WENHAM WATER DEPT. — Water Quality Report 2026
Serving 3,942 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA3320000
Violations
11
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.006 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.005 µg/L | 0.004 µg/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 2015.
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 WENHAM WATER DEPT.
Is WENHAM WATER DEPT. water safe to drink?
WENHAM WATER DEPT. water receives a grade of D (34/100), which is considered poor. 2 contaminant(s) exceed EPA legal limits and 11 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WENHAM WATER DEPT. detected?
31 contaminants were tested in WENHAM 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 WENHAM WATER DEPT. have any EPA violations?
Yes, WENHAM WATER DEPT. has 11 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL, TT. 9 are health-based violations.
How many people does WENHAM WATER DEPT. serve?
WENHAM WATER DEPT. serves approximately 3,942 people, Massachusetts. The system provides water to 1 community: Wenham.
What type of water does WENHAM WATER DEPT. provide?
WENHAM WATER DEPT. sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA3320000.
How does WENHAM WATER DEPT. compare to other utilities in Massachusetts?
WENHAM WATER DEPT. scores 34/100 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.