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Water system · PWSID IL1095510

WESTERN ILLINOIS UNIVERSITY

MACOMB, IL · ~8,000 people served

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

PWSID

IL1095510

State

Illinois

City

MACOMB

Population served

8,000

Primary source

SWP

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 Sep 2025). Levels in parts per trillion (ppt).

Lithium

20,000 ppt

limit —

No federal limit

Violations & enforcement

13

Violations on record

0

Unaddressed

11

Health-based

55

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2014. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Aug 2013 Resolved
Monitoring & reporting · Total coliform began May 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2013 Resolved
Treatment technique · EPA contaminant 0300 health-based began Mar 2008 Resolved
Treatment technique · EPA contaminant 0300 health-based began Feb 2008 Resolved
Treatment technique · EPA contaminant 0300 health-based began Feb 2008 Resolved
Treatment technique · EPA contaminant 0300 health-based began Dec 2007 Resolved
Treatment technique · EPA contaminant 0300 health-based began Dec 2007 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2007 Resolved
Treatment technique · EPA contaminant 0300 health-based began Apr 2007 Resolved
Treatment technique · EPA contaminant 0300 health-based began Mar 2007 Resolved
Treatment technique · EPA contaminant 0300 health-based began Mar 2007 Resolved

Recent enforcement actions

  • State action · SIF Jun 2014
  • State action · SIF Jun 2014
  • State action · SIF Oct 2013
  • State action · SIA Sep 2013
  • State action · SIE Sep 2013
  • State action · SOX Aug 2013
  • State action · SOX Jul 2013
  • State action · SIA Jun 2013

This profile is built from EPA public records for system IL1095510 — 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.