Drinking Water Compliance OS

WENONA, IL · Marshall County

WENONA Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
IL1234950
System type
Community Water System
Population served
974
Service connections
541
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 3, 2025 – January 7, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2025 – December 31, 2025

    Archived
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – April 7, 2025

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2024 – June 30, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – July 12, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 1998 – May 18, 1999

    Resolved
  • Public Education

    Health-based

    Lead and Copper Rule

    January 1, 1994 – September 9, 1996

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1992 – July 31, 1992

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 1992 – July 27, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    June 1, 1989 – August 14, 1992

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 1988 – December 31, 1991

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 25, 1984 – January 24, 1988

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

BADE, JANIE

815-674-4768

WENONA, IL 61377