Drinking Water Compliance OS

CHICAGO HEIGHTS, IL · Cook County

CHICAGO HEIGHTS Water System

Current status

No open violations on record as of July 4, 2026.

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)
IL0310450
System type
Community Water System
Population served
26,184
Service connections
9,795
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2015 – March 31, 2015

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

AYALA, GILBERT

708-756-5381

CHICAGO HEIGHTS, IL 60411