Home/ Directory/ MA/ NORTON WATER DEPARTMENT

Water system · PWSID MA4218000

NORTON WATER DEPARTMENT

NORTON, MA · ~19,161 people served

Check your exact address → NORTON overview
57
Fair
PurityRadar safety score

PWSID

MA4218000

State

Massachusetts

City

NORTON

Population served

19,161

Primary source

Groundwater

Score history

▼ 43 points — the score moved from 100 to 57 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 57

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

PFOA

Perfluorooctanoic acid

8.8 ppt

limit 4 ppt

Above EPA limit · 2.2×

PFOS

Perfluorooctanesulfonic acid

4 ppt

limit 4 ppt

Near EPA limit

PFHxS

Perfluorohexanesulfonic acid

6.4 ppt

limit 10 ppt

Near EPA limit

PFBS

4.7 ppt

limit —

No federal limit

PFHxA

4.1 ppt

limit —

No federal limit

PFPeA

4 ppt

limit —

No federal limit

PFHpA

3.2 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

3

Health-based

13

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2023 Addressed
Max contaminant level (MCL) · Total coliform health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1996 Resolved

Recent enforcement actions

  • State action · SFO Mar 2025
  • State action · SFL Jan 2024
  • State action · SFJ Mar 2019
  • State action · SFJ Feb 2017
  • State action · SFJ Nov 2013
  • State action · SOX Nov 2013
  • State action · SIE Sep 2010
  • State action · SOX Dec 2007

This profile is built from EPA public records for system MA4218000 — 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.