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Water system · PWSID MA2115000

GROTON WATER DEPARTMENT

GROTON, MA · ~5,456 people served

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

PWSID

MA2115000

State

Massachusetts

City

GROTON

Population served

5,456

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

Latest detections from EPA’s UCMR5 monitoring (through Jun 2024). Levels in parts per trillion (ppt).

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

47

Violations on record

0

Unaddressed

0

Health-based

23

Enforcement actions

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

Monitoring & reporting · EPA contaminant 2015 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2110 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2020 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2326 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2946 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2005 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2067 began Oct 2013 Resolved
Monitoring & reporting · Chlorite began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2959 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2065 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2046 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 2010 began Oct 2013 Resolved

Recent enforcement actions

  • State action · SIE Jul 2024
  • State action · SFL Mar 2020
  • State action · SO8 Feb 2019
  • State action · SOX Mar 2014
  • State action · SFJ Mar 2014
  • State action · SOX Mar 2012
  • State action · SFL Dec 2011
  • State action · SOX Dec 2007

This profile is built from EPA public records for system MA2115000 — 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.