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Water system · PWSID MA2177000

MEDWAY WATER DEPARTMENT

MEDWAY, MA · ~13,115 people served

Check your exact address → MEDWAY overview
83
Good
PurityRadar safety score

PWSID

MA2177000

State

Massachusetts

City

MEDWAY

Population served

13,115

Primary source

Groundwater

Score history

▼ 17 points — the score moved from 100 to 83 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 83

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

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Nov 2025). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFPeA

3.2 ppt

limit —

No federal limit

PFHxA

3.1 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

117

Violations on record

0

Unaddressed

7

Health-based

48

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2014 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2014 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2009 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2009 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2009 Resolved
Monitoring & reporting · Total coliform began Nov 2008 Resolved
Monitoring & reporting · Total coliform began Oct 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2008 Resolved

Recent enforcement actions

  • State action · SFL May 2024
  • State action · SOX Apr 2024
  • State action · SFL Aug 2017
  • State action · SOX Jul 2017
  • State action · SO8 Jul 2015
  • State action · SFJ Oct 2014
  • State action · SOX Oct 2014
  • State action · SFJ Sep 2014

This profile is built from EPA public records for system MA2177000 — 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.