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Water system · PWSID IL0110800

OHIO

OHIO, IL · ~465 people served

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

PWSID

IL0110800

State

Illinois

City

OHIO

Population served

465

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

17

Health-based

75

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2010. Official EPA record →

Other · EPA contaminant 7000 began Oct 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2007 Resolved

Recent enforcement actions

  • State action · SOX Jun 2010
  • State action · SOX Mar 2010
  • State action · SIA Jan 2010
  • State action · SIF Nov 2009
  • State action · SIA Oct 2009
  • State action · SIE Oct 2009
  • State action · SIA Oct 2009
  • State action · SIF Aug 2009

This profile is built from EPA public records for system IL0110800 — 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.