Drinking Water Compliance OS

MAINE TWP, IL · Cook County

O'HARE AIR RSRV FORCES FCLTY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 1, 1997. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Cook County, IL.

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)
IL0315677
System type
Community Water System
Population served
1,500
Service connections
62
Ownership
federal government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    February 1, 1991 – February 28, 1991

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

Not on record

Phone not on record

MAINE TWP, IL 60666