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Water system · PWSID IL0370051

CORTLAND

CORTLAND, IL · ~4,398 people served

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

PWSID

IL0370051

State

Illinois

City

CORTLAND

Population served

4,398

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2025). Levels in parts per trillion (ppt).

Lithium

12,000 ppt

limit —

No federal limit

Violations & enforcement

31

Violations on record

0

Unaddressed

22

Health-based

96

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2023 Resolved
Monitoring & reporting · Combined radium-226/228 began Apr 2017 Resolved
Monitoring & reporting · Uranium began Oct 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2006 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2006 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2006 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2006 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2005 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2005 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX May 2024
  • State action · SIA Dec 2023
  • State action · SOX Jul 2017
  • State action · SIA Jul 2017
  • State action · SIA Jul 2017
  • State action · SOX Jan 2009
  • State action · SIA Jan 2009
  • State action · SIA Jan 2009

This profile is built from EPA public records for system IL0370051 — 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.