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Water system · PWSID MA4219000

NORWELL WATER DEPARTMENT

NORWELL, MA · ~11,495 people served

Check your exact address → NORWELL overview
45
Fair
PurityRadar safety score

PWSID

MA4219000

State

Massachusetts

City

NORWELL

Population served

11,495

Primary source

Groundwater

Score history

▼ 55 points — the score moved from 100 to 45 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 45

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).

PFOS

Perfluorooctanesulfonic acid

7.4 ppt

limit 4 ppt

Above EPA limit · 1.9×

PFOA

Perfluorooctanoic acid

4.6 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFHxA

8.4 ppt

limit —

No federal limit

PFBA

6 ppt

limit —

No federal limit

PFHpA

4.7 ppt

limit —

No federal limit

PFBS

3.7 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

Violations & enforcement

7

Violations on record

0

Unaddressed

4

Health-based

21

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jul 2024 Addressed
Monitoring · Lead & Copper Rule began Sep 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2006 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2000 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1995 Resolved

Recent enforcement actions

  • State action · SFO Oct 2025
  • State action · SOX Aug 2025
  • State action · SFL Mar 2025
  • State action · SOX Oct 2022
  • State action · SFL Jan 2022
  • State action · SFL Jul 2018
  • State action · SOX May 2007
  • State action · SFL May 2007

This profile is built from EPA public records for system MA4219000 — 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.