C56/100
MARLBOROUGH DPW WATER DIV. (MWRA) — Water Quality Report 2026
Serving 41,799 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA2170000
Violations
21
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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 MARLBOROUGH DPW WATER DIV. (MWRA)
Is MARLBOROUGH DPW WATER DIV. (MWRA) water safe to drink?
MARLBOROUGH DPW WATER DIV. (MWRA) water receives a grade of C (56/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 21 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MARLBOROUGH DPW WATER DIV. (MWRA) detected?
69 contaminants were tested in MARLBOROUGH DPW WATER DIV. (MWRA)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARLBOROUGH DPW WATER DIV. (MWRA) have any EPA violations?
Yes, MARLBOROUGH DPW WATER DIV. (MWRA) has 21 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, MCL. 5 are health-based violations.
How many people does MARLBOROUGH DPW WATER DIV. (MWRA) serve?
MARLBOROUGH DPW WATER DIV. (MWRA) serves approximately 41,799 people, Massachusetts. The system provides water to 1 community: Marlborough.
What type of water does MARLBOROUGH DPW WATER DIV. (MWRA) provide?
MARLBOROUGH DPW WATER DIV. (MWRA) 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 MA2170000.
How does MARLBOROUGH DPW WATER DIV. (MWRA) compare to other utilities in Massachusetts?
MARLBOROUGH DPW WATER DIV. (MWRA) scores 56/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Massachusetts state page for a full comparison of water systems.