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Public Water System
MARLBOROUGH DPW WATER DIV. (MWRA)
PWSID MA2170000 · Massachusetts · 41,799 people served
A
ExcellentMARLBOROUGH DPW WATER DIV. (MWRA) is an EPA-regulated public water system in Massachusetts (PWSID MA2170000). It serves an estimated 41,799 residents — a small city of customers — across 1 community across 1 ZIP code.
MARLBOROUGH DPW WATER DIV. (MWRA) has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
41,799
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for MARLBOROUGH DPW WATER DIV. (MWRA) over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
MARLBOROUGH DPW WATER DIV. (MWRA)'s water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by MARLBOROUGH DPW WATER DIV. (MWRA)
ZIP Codes Served
About this system
EPA records this system as PWSID MA2170000. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact MARLBOROUGH DPW WATER DIV. (MWRA) directly or review their annual Consumer Confidence Report (CCR).
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