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Water system · PWSID NY5201339

WHISPERING PINES MHP

OAK BROOK, IL · ~400 people served

Check your exact address → OAK BROOK overview
100
Excellent
PurityRadar safety score

PWSID

NY5201339

State

Illinois

City

OAK BROOK

Population served

400

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

25

Violations on record

0

Unaddressed

1

Health-based

49

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2019. Official EPA record →

Other began Oct 2012 Resolved
Monitoring & reporting · Total coliform began Jul 2010 Resolved
Treatment technique · EPA contaminant 0400 health-based began Aug 2009 Resolved
Monitoring & reporting · Total coliform began Mar 2009 Resolved
Monitoring & reporting · Selenium began Jan 2008 Resolved
Monitoring & reporting · Barium began Jan 2008 Resolved
Monitoring & reporting · Arsenic began Jan 2008 Resolved
Monitoring & reporting · Cyanide began Jan 2008 Resolved
Monitoring & reporting · Chromium (total) began Jan 2008 Resolved
Monitoring & reporting · Fluoride began Jan 2008 Resolved
Monitoring & reporting · Cadmium began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 1036 began Jan 2008 Resolved

Recent enforcement actions

  • State action · SOX May 2019
  • State action · SIA Apr 2019
  • State action · SOX Dec 2017
  • State action · SIA Nov 2017
  • State action · SOX Apr 2016
  • State action · SIA Mar 2016
  • State action · SOX Sep 2015
  • State action · SIA Jun 2015

This profile is built from EPA public records for system NY5201339 — 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.