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Water system · PWSID MA4133000

HOLBROOK PUBLIC WORKS DEPT

HOLBROOK, MA · ~11,405 people served

Check your exact address → HOLBROOK overview
40
Action needed
PurityRadar safety score

PWSID

MA4133000

State

Massachusetts

City

HOLBROOK

Population served

11,405

Primary source

SWP

Score history

▼ 60 points — the score moved from 100 to 40 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 40

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

PFOS

Perfluorooctanesulfonic acid

10 ppt

limit 4 ppt

Above EPA limit · 2.5×

PFOA

Perfluorooctanoic acid

7 ppt

limit 4 ppt

Above EPA limit · 1.8×

PFBA

10 ppt

limit —

No federal limit

PFHxA

5 ppt

limit —

No federal limit

PFPeA

5 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

PFHpA

3 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

6

Health-based

30

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jan 2021 Addressed
Max contaminant level (MCL) · Total coliform health-based began Sep 2012 Resolved
Other · EPA contaminant 7500 began Dec 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2010 Resolved
Other · Total coliform began Jun 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2007 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1994 Resolved
Treatment technique · Lead & Copper Rule health-based began Jul 1993 Resolved

Recent enforcement actions

  • State action · SFL Oct 2023
  • State action · SFL Jul 2019
  • State action · SFJ Jun 2014
  • State action · SOX Nov 2012
  • State action · SFL Nov 2012
  • State action · SFL May 2011
  • State action · SOX Feb 2011
  • State action · SFL Feb 2011

This profile is built from EPA public records for system MA4133000 — 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.