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Water system · PWSID MA3342000

WILMINGTON WATER DEPT

WILMINGTON, MA · ~22,481 people served

Check your exact address → WILMINGTON overview
100
Excellent
PurityRadar safety score

PWSID

MA3342000

State

Massachusetts

City

WILMINGTON

Population served

22,481

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

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

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

PFBA

8.8 ppt

limit —

No federal limit

PFPeA

3 ppt

limit —

No federal limit

Violations & enforcement

24

Violations on record

1

Unaddressed

2

Health-based

18

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jan 2013 Unaddressed
Max contaminant level (MCL) · Lead & Copper Rule health-based began Sep 2022 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2983 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2996 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jun 2010 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jun 2010 Resolved

Recent enforcement actions

  • State action · SOX Oct 2022
  • State action · SFL Sep 2022
  • State action · SFL Feb 2015
  • State action · SOX Nov 2010
  • State action · SFL Nov 2010
  • State action · SFL Jul 2009
  • State action · SFL May 2008
  • State action · SFL May 2007

This profile is built from EPA public records for system MA3342000 — 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.