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Water system · PWSID MA3347000

WOBURN WATER DEPT.

WOBURN, MA · ~40,876 people served

Check your exact address → WOBURN overview
41
Action needed
PurityRadar safety score

PWSID

MA3347000

State

Massachusetts

City

WOBURN

Population served

40,876

Primary source

SWP

Score history

▼ 59 points — the score moved from 100 to 41 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 41

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

PFOA

Perfluorooctanoic acid

8.4 ppt

limit 4 ppt

Above EPA limit · 2.1×

PFOS

Perfluorooctanesulfonic acid

6.9 ppt

limit 4 ppt

Above EPA limit · 1.7×

PFBA

7 ppt

limit —

No federal limit

PFBS

3.8 ppt

limit —

No federal limit

PFPeA

3.8 ppt

limit —

No federal limit

PFHxA

3.7 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

3

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2023. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2007 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1997 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1994 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1993 Resolved

Recent enforcement actions

  • State action · SFL Dec 2023
  • State action · SFL Jun 2009
  • State action · SFO Aug 2008
  • State action · SOX Nov 2007
  • State action · SOX Nov 2007
  • State action · SFL Oct 2007
  • State action · SFL Mar 2007
  • State action · SFO Jun 2006

This profile is built from EPA public records for system MA3347000 — 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.