Drinking Water Compliance OS

MARKHAM, IL · Cook County

MID-MARK WATER COMMISSION 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)
IL0310230
System type
Community Water System
Population served
25
Service connections
2
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Contact

THOMPSON, JOHN

708-331-4905

MARKHAM, IL 60428