Drinking Water Compliance OS

WONDER LAKE, IL · McHenry County

HIGHLAND SHORES WATER COMPANY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 29, 2014. 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 McHenry 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)
IL1115300
System type
Community Water System
Population served
1,000
Service connections
275
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2005 – March 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2005 – March 31, 2005

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2004 – September 30, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 1994 – June 30, 1994

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1993 – May 31, 1993

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    Ethylbenzene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    Styrene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Regular

    Styrene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    Ethylbenzene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    Benzene

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    October 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    Styrene

    July 1, 1992 – September 30, 1992

    Archived
  • Monitoring, Regular

    Xylenes, Total

    July 1, 1992 – September 30, 1992

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

TOPF, ANTHONY F.

815-728-0839

WONDER LAKE, IL 60097