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Water system · PWSID MA3301000

TYNGSBOROUGH WATER DISTRICT

TYNGSBOROUGH, MA · ~4,416 people served

Check your exact address → TYNGSBOROUGH overview
88
Excellent
PurityRadar safety score

PWSID

MA3301000

State

Massachusetts

City

TYNGSBOROUGH

Population served

4,416

Primary source

SWP

Score history

▼ 12 points — the score moved from 100 to 88 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 88

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 Nov 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

4.6 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFHxA

3.1 ppt

limit —

No federal limit

PFPeA

3 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

0

Unaddressed

0

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2018. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jun 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2001 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1998 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1997 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SFL Oct 2018
  • State action · SOX Oct 2015
  • State action · SFL Nov 2014
  • State action · SFL Oct 2007
  • State action · SOX Mar 2004
  • State action · SFL Mar 2002
  • State action · SOX Oct 2001
  • State action · SOX Oct 2001

This profile is built from EPA public records for system MA3301000 — 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.