Drinking Water Compliance OS

VIRDEN, IL · Macoupin County

OTTER LAKE 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)
IL1175200
System type
Community Water System
Population served
1,318
Service connections
527
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    May 1, 2002 – May 31, 2002

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    February 1, 1995 – September 13, 1995

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    July 11, 1994 – September 13, 1995

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    April 1, 1994 – June 21, 1994

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 1994 – April 30, 1994

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    October 1, 1993 – December 31, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    July 1, 1993 – September 30, 1993

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    August 1, 1986 – September 16, 1986

    Resolved
  • 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

Contact

HOGAN II, JOSEPH

217-627-2349

VIRDEN, IL 62690