Home/ Directory/ MA/ MANSFIELD WATER DIVISION

Water system · PWSID MA4167000

MANSFIELD WATER DIVISION

MANSFIELD, MA · ~23,289 people served

Check your exact address → MANSFIELD overview
68
Fair
PurityRadar safety score

PWSID

MA4167000

State

Massachusetts

City

MANSFIELD

Population served

23,289

Primary source

Groundwater

Score history

▼ 32 points — the score moved from 100 to 68 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 68

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 Sep 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

6.2 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOA

Perfluorooctanoic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

PFBS

3.8 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

3

Health-based

11

Enforcement actions

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

Monitoring · Lead & Copper Rule began Sep 2022 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1997 Resolved

Recent enforcement actions

  • State action · SOX Oct 2022
  • State action · SFL Sep 2022
  • State action · SOX Aug 2012
  • State action · SFL Aug 2012
  • State action · SIE Jun 2010
  • State action · SFL Nov 2009
  • State action · SOX Nov 2009
  • State action · SFL Feb 2006

This profile is built from EPA public records for system MA4167000 — 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.