MELROSE WATER DIVISION (MWRA)

MELROSE, MA · ~29,357 people served

Check your exact address → MELROSE overview

100

Excellent

PurityRadar safety score

PWSID

MA3178000

State

Massachusetts

City

MELROSE

Population served

29,357

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2022. Official EPA record →

Treatment technique · Lead & Copper Rule health-based began Nov 2021 Addressed

Treatment technique · Lead & Copper Rule health-based began Jan 2013 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 2009 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 2008 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1999 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1998 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1994 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1993 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1992 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 1991 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jul 1991 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jun 1991 Resolved

Recent enforcement actions

State action · SFO Dec 2022
State action · SFL Nov 2016
State action · SOX Jun 2014
State action · SOX Jun 2014
State action · SFJ Apr 2014
State action · SFJ Dec 2013
State action · SFJ Nov 2013
State action · SFJ Jul 2011

This profile is built from EPA public records for system MA3178000 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.