B64/100
SOUTHBOROUGH DPW WATER DIVISION (MWRA) — Water Quality Report 2026
Serving 10,514 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA2277000
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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 SOUTHBOROUGH DPW WATER DIVISION (MWRA)
Is SOUTHBOROUGH DPW WATER DIVISION (MWRA) water safe to drink?
SOUTHBOROUGH DPW WATER DIVISION (MWRA) water receives a grade of B (64/100), which is considered good. Out of 35 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SOUTHBOROUGH DPW WATER DIVISION (MWRA) detected?
35 contaminants were tested in SOUTHBOROUGH DPW WATER DIVISION (MWRA)'s water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SOUTHBOROUGH DPW WATER DIVISION (MWRA) have any EPA violations?
Yes, SOUTHBOROUGH DPW WATER DIVISION (MWRA) has 5 EPA violation(s) on record, with the most recent in 2006. Violation types include MCL, TT. 5 are health-based violations.
How many people does SOUTHBOROUGH DPW WATER DIVISION (MWRA) serve?
SOUTHBOROUGH DPW WATER DIVISION (MWRA) serves approximately 10,514 people, Massachusetts. The system provides water to 1 community: Southborough.
What type of water does SOUTHBOROUGH DPW WATER DIVISION (MWRA) provide?
SOUTHBOROUGH DPW WATER DIVISION (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 MA2277000.
How does SOUTHBOROUGH DPW WATER DIVISION (MWRA) compare to other utilities in Massachusetts?
SOUTHBOROUGH DPW WATER DIVISION (MWRA) scores 64/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Massachusetts state page for a full comparison of water systems.