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Water system · PWSID MA4238000

PLAINVILLE WATER DEPARTMENT

PLAINVILLE, MA · ~8,805 people served

Check your exact address → PLAINVILLE overview
70
Good
PurityRadar safety score

PWSID

MA4238000

State

Massachusetts

City

PLAINVILLE

Population served

8,805

Primary source

GU

Score history

▼ 30 points — the score moved from 100 to 70 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 70

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 Nov 2023). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

5.9 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOA

Perfluorooctanoic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFBA

5 ppt

limit —

No federal limit

PFBS

4.7 ppt

limit —

No federal limit

Violations & enforcement

7

Violations on record

0

Unaddressed

1

Health-based

40

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2017 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2010 Resolved
Monitoring & reporting · Total coliform began Jan 2001 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2000 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1995 Resolved

Recent enforcement actions

  • State action · SIE Jul 2025
  • State action · SIE Jun 2021
  • State action · SFJ May 2019
  • State action · SFL Jul 2018
  • State action · SOX Jul 2018
  • State action · SFJ Jun 2016
  • State action · SFO Sep 2011
  • State action · SOX Sep 2011

This profile is built from EPA public records for system MA4238000 — 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.