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Water system · PWSID MA3333000

WESTON WATER DEPT.

WESTON, MA · ~11,941 people served

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

PWSID

MA3333000

State

Massachusetts

City

WESTON

Population served

11,941

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

8

Violations on record

0

Unaddressed

7

Health-based

17

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2009. Official EPA record →

Treatment technique · Lead & Copper Rule health-based began Jan 2000 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1999 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1998 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1994 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1993 Resolved
Monitoring & reporting · Total coliform began Jun 1992 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1992 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1991 Resolved

Recent enforcement actions

  • State action · SFL Jun 2009
  • State action · SOX Mar 2001
  • State action · SFL Mar 2001
  • State action · SFL Aug 2000
  • State action · SOX Mar 2000
  • State action · SFL Feb 2000
  • State action · SOX Apr 1999
  • State action · SFL Mar 1999

This profile is built from EPA public records for system MA3333000 — 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.