WINDHAM WATER WORKS

MANSFIELD CENTER, CT · ~21,214 people served

Check your exact address → MANSFIELD CENTER overview

100

Excellent

PurityRadar safety score

PWSID

CT1630011

State

Connecticut

City

MANSFIELD CENTER

Population served

21,214

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Dec 2023). Levels in parts per trillion (ppt).

PFHxA

3.4 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2023 Resolved

Monitoring & reporting · EPA contaminant 1009 began Dec 2018 Resolved

Other · EPA contaminant 7000 began Jul 2006 Resolved

Treatment technique · EPA contaminant 0200 health-based began Mar 1995 Resolved

Treatment technique · EPA contaminant 0200 health-based began Feb 1995 Resolved

Treatment technique · EPA contaminant 0200 health-based began Jan 1995 Resolved

Treatment technique · EPA contaminant 0200 health-based began Dec 1994 Resolved

Treatment technique · EPA contaminant 0200 health-based began Nov 1994 Resolved

Monitoring & reporting · Total coliform began Sep 1991 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 1991 Resolved

Recent enforcement actions

State action · SOX Jul 2023
State action · SOX May 2019
State action · SIA Oct 2006
State action · SOX Jul 2006
State action · SOX Mar 2006
State action · SOX Apr 1995
State action · SFK Mar 1995
State action · SIE Nov 1994

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Oct 2020

0.266 · max 0.266 ppm · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system CT1630011 — 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.