STONE PARK

WEST CHICAGO, IL · ~4,576 people served

Check your exact address → WEST CHICAGO overview

100

Excellent

PurityRadar safety score

PWSID

IL0313030

State

Illinois

City

WEST CHICAGO

Population served

4,576

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

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed

Other · EPA contaminant 7000 began Jul 2021 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2020 Resolved

Other · EPA contaminant 7000 began Jul 2020 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2012 Resolved

Other · EPA contaminant 7000 began Jul 2004 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Other · EPA contaminant 7000 began Jul 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Apr 1992 Resolved

Recent enforcement actions

State action · SIE Jul 2025
State action · SIA Jul 2025
State action · SIA Jul 2021
State action · SOX Jul 2021
State action · SOX Jan 2021
State action · SIA Jan 2021
State action · SIA Oct 2020
State action · SOX Jul 2020

This profile is built from EPA public records for system IL0313030 — 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.