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Public Water System
MARBLEHEAD WATER DEPT. (MWRA)
PWSID MA3168000 · Massachusetts · 20,441 people served
A
ExcellentMARBLEHEAD WATER DEPT. (MWRA) is an EPA-regulated public water system in Massachusetts (PWSID MA3168000). It serves an estimated 20,441 residents — a small city of customers — across 1 community across 1 ZIP code.
MARBLEHEAD WATER DEPT. (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
20,441
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for MARBLEHEAD WATER DEPT. (MWRA) over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
MARBLEHEAD WATER DEPT. (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 MARBLEHEAD WATER DEPT. (MWRA)
ZIP Codes Served
About this system
EPA records this system as PWSID MA3168000. 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 MARBLEHEAD WATER DEPT. (MWRA) directly or review their annual Consumer Confidence Report (CCR).
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