Drinking Water Compliance OS

HICKORY HILLS, IL · Cook County

HICKORY HILLS 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)
IL0311200
System type
Community Water System
Population served
14,505
Service connections
4,069
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 1992 – January 31, 1992

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

LEHR, SUSAN

708-598-7855

HICKORY HILLS, IL 60457