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Water system · PWSID MA3295000

TEWKSBURY WATER DEPARTMENT

TEWKSBURY, MA · ~31,342 people served

Check your exact address → TEWKSBURY overview
86
Excellent
PurityRadar safety score

PWSID

MA3295000

State

Massachusetts

City

TEWKSBURY

Population served

31,342

Primary source

Surface water

Score history

▼ 14 points — the score moved from 100 to 86 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 86

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 Oct 2024). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

5 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFHxA

4 ppt

limit —

No federal limit

PFPeA

4 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

2

Health-based

17

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jun 2023 Addressed
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2021 Resolved
Monitoring & reporting · Total coliform began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2015 began Oct 1991 Resolved
Monitoring & reporting · EPA contaminant 2010 began Oct 1991 Resolved
Monitoring & reporting · EPA contaminant 2005 began Oct 1991 Resolved
Monitoring & reporting · EPA contaminant 2110 began Oct 1991 Resolved
Monitoring & reporting · Chlorite began Oct 1991 Resolved
Monitoring & reporting · EPA contaminant 2020 began Oct 1991 Resolved

Recent enforcement actions

  • State action · SFL Feb 2024
  • State action · SFL Sep 2023
  • State action · SOX Apr 2022
  • State action · SOX Apr 2022
  • State action · SFL Dec 2021
  • State action · SFL Sep 2021
  • State action · SFJ Mar 2016
  • State action · SFL Jun 2009

This profile is built from EPA public records for system MA3295000 — 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.