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Water system · PWSID MA2179000

MENDON WATER DEPARTMENT

MENDON, MA · ~470 people served

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

PWSID

MA2179000

State

Massachusetts

City

MENDON

Population served

470

Primary source

GUP

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

17

Violations on record

0

Unaddressed

0

Health-based

41

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2014. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Monitoring & reporting · Total coliform began Dec 2008 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2008 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1996 Resolved
Monitoring & reporting · Total coliform began Jul 1995 Resolved

Recent enforcement actions

  • State action · SOX Aug 2014
  • State action · SOX Jun 2014
  • State action · SFJ Jan 2014
  • State action · SFJ Nov 2013
  • State action · SFL Dec 2012
  • State action · SOX Dec 2012
  • State action · SFL Aug 2009
  • State action · SFJ Mar 2009

This profile is built from EPA public records for system MA2179000 — 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.