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Water system · PWSID MA4099000

FOXBORO WATER DEPARTMENT

FOXBOROUGH, MA · ~18,639 people served

Check your exact address → FOXBOROUGH overview
78
Good
PurityRadar safety score

PWSID

MA4099000

State

Massachusetts

City

FOXBOROUGH

Population served

18,639

Primary source

Groundwater

Score history

▼ 22 points — the score moved from 100 to 78 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 78

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).

PFOA

Perfluorooctanoic acid

4.9 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFOS

Perfluorooctanesulfonic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFBS

4.5 ppt

limit —

No federal limit

PFHxA

4 ppt

limit —

No federal limit

PFPeA

3.7 ppt

limit —

No federal limit

Violations & enforcement

35

Violations on record

0

Unaddressed

10

Health-based

18

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Sep 2011 Resolved
Monitoring & reporting · Total coliform began Sep 2011 Resolved
Other · Total coliform began Sep 2011 Resolved
Monitoring & reporting · EPA contaminant 2977 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2981 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2976 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2984 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2968 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2979 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2380 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2983 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 2989 began Apr 2010 Resolved

Recent enforcement actions

  • State action · SOX Jun 2022
  • State action · SFL Jul 2020
  • State action · SFL Jun 2020
  • State action · SIE Dec 2014
  • State action · SOX Nov 2011
  • State action · SFL Nov 2011
  • State action · SIE Mar 2011
  • State action · SOX Nov 2010

This profile is built from EPA public records for system MA4099000 — 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.