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Water system · PWSID IL1115145

ROYAL OAKS MHP

CHICAGO, IL · ~170 people served

Check your exact address → CHICAGO overview
100
Excellent
PurityRadar safety score

PWSID

IL1115145

State

Illinois

City

CHICAGO

Population served

170

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

15

Violations on record

1

Unaddressed

3

Health-based

77

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Monitoring & reporting · Total coliform began Feb 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2011 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2010 Resolved
Monitoring & reporting · Total coliform began Dec 2009 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2008 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2008 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2008 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2007 Resolved

Recent enforcement actions

  • State action · SIA Sep 2025
  • State action · SIF Aug 2013
  • State action · SIF Aug 2013
  • State action · SOX Mar 2013
  • State action · SIE Mar 2013
  • State action · SIA Mar 2013
  • State action · SIE Mar 2013
  • State action · SIA Mar 2013

This profile is built from EPA public records for system IL1115145 — 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.