READFIELD CORNER WATER ASSOCIATION

WINTHROP, ME · ~54 people served

Check your exact address → WINTHROP overview

100

Excellent

PurityRadar safety score

PWSID

ME0092100

State

Maine

City

WINTHROP

Population served

Primary source

Groundwater

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2016. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Dec 2015 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 2013 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 2010 Resolved

Max contaminant level (MCL) · Total coliform health-based began Nov 2009 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 2006 Resolved

Recent enforcement actions

State action · SIF Jan 2016
State action · SOX Jan 2016
State action · SIE Dec 2015
State action · SFJ Dec 2015
State action · SOX Oct 2013
State action · SIF Oct 2013
State action · SIE Sep 2013
State action · SFJ Sep 2013

This profile is built from EPA public records for system ME0092100 — 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.