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Water system · PWSID MA2153000

LEOMINSTER WATER DIVISION

LEOMINSTER, MA · ~41,683 people served

Check your exact address → LEOMINSTER overview
90
Excellent
PurityRadar safety score

PWSID

MA2153000

State

Massachusetts

City

LEOMINSTER

Population served

41,683

Primary source

Surface water

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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

PFOA

Perfluorooctanoic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

Violations & enforcement

134

Violations on record

0

Unaddressed

9

Health-based

54

Enforcement actions

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

Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2018 Resolved
Monitoring & reporting · EPA contaminant 0200 began Mar 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2008 Resolved
Other · EPA contaminant 7000 began Jul 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2006 Resolved
Other · EPA contaminant 7500 began Dec 2005 Resolved
Monitoring & reporting · EPA contaminant 0200 began Dec 2005 Resolved
Other · EPA contaminant 7500 began Nov 2005 Resolved
Monitoring & reporting · EPA contaminant 0200 began Nov 2005 Resolved
Monitoring & reporting · EPA contaminant 0200 began Oct 2005 Resolved

Recent enforcement actions

  • State action · SIE Jul 2023
  • State action · SFJ May 2019
  • State action · SOX Apr 2019
  • State action · SOX Apr 2019
  • State action · SFJ Nov 2018
  • State action · SOX Apr 2017
  • State action · SFJ Apr 2017
  • State action · SFL Apr 2013

This profile is built from EPA public records for system MA2153000 — 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.