Drinking Water Compliance OS

LAKE ZURICH, IL · Lake County

ACORN ACRES SUBDIVISION Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 1, 2004. 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 Lake 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)
IL0975020
System type
Community Water System
Population served
240
Service connections
26
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2004 – July 31, 2004

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2004 – June 30, 2004

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    July 1, 2000 – July 31, 2000

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1998 – September 30, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1997 – June 30, 1997

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    June 1, 1997 – June 30, 1997

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 1994 – May 31, 1994

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1992 – June 30, 1992

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

Not on record

847-540-8338

LAKE ZURICH, IL 60047