Home/ Directory/ IL/ ANTIOCH

Water system · PWSID IL0970050

ANTIOCH

ANTIOCH, IL · ~14,175 people served

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

PWSID

IL0970050

State

Illinois

City

ANTIOCH

Population served

14,175

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

Lithium

9,140 ppt

limit —

No federal limit

Violations & enforcement

34

Violations on record

1

Unaddressed

4

Health-based

41

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved
Other · EPA contaminant 7500 began Aug 2008 Resolved
Other · EPA contaminant 7500 began Aug 2008 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2007 Resolved
Monitoring & reporting · Total coliform began Dec 2006 Resolved
Monitoring & reporting · Total coliform began Nov 2006 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2006 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2006 Resolved
Treatment technique · Lead & Copper Rule health-based began Oct 2000 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 1998 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1998 Resolved

Recent enforcement actions

  • State action · SIA Aug 2025
  • State action · SIF Oct 2024
  • State action · SOX Feb 2024
  • State action · SIE Oct 2023
  • State action · SIA Oct 2023
  • State action · SOX Oct 2008
  • State action · SIF Oct 2008
  • State action · SIA Sep 2008

This profile is built from EPA public records for system IL0970050 — 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.