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Water system · PWSID MA2179001

MENDON HOUSING AUTHORITY

MENDON, MA · ~31 people served

Check your exact address → MENDON overview
100
Excellent
PurityRadar safety score

PWSID

MA2179001

State

Massachusetts

City

MENDON

Population served

31

Primary source

Groundwater

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

59

Violations on record

0

Unaddressed

3

Health-based

36

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2020 Resolved
Reporting · Lead & Copper Rule began Jun 2018 Addressed
Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Nov 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2011 Resolved
Monitoring & reporting · EPA contaminant 2984 began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 2980 began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 2990 began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 2968 began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 2979 began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 2989 began Apr 2008 Resolved

Recent enforcement actions

  • State action · SFJ Nov 2022
  • State action · SOX Aug 2021
  • State action · SFL Aug 2021
  • State action · SFJ Jul 2021
  • State action · SFJ Jan 2020
  • State action · SFL Oct 2018
  • State action · SOX Aug 2018
  • State action · SFL Jul 2018

This profile is built from EPA public records for system MA2179001 — 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.