Drinking Water Compliance OS

WEST CHICAGO, IL · Cook County

STONE PARK Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.

System facts

System ID (PWSID)
IL0313030
System type
Community Water System
Population served
4,576
Service connections
848
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – July 19, 2021

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2020 – January 20, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – July 8, 2020

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 2, 2012 – June 4, 2012

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2004 – December 8, 2004

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    April 1, 1992 – June 30, 1993

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

Contact

FACIANO, ANTHONY A.

630-973-3533

WEST CHICAGO, IL 60185