Drinking Water Compliance OS

WOLF LAKE, IL · Union County

SHAWNEE VALLEY PWD 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)
IL1815550
System type
Community Water System
Population served
738
Service connections
295
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2017 – June 30, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2017 – March 31, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2016 – December 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1994 – October 31, 1994

    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

Contact

BALLANCE, KAREN

618-833-3740

WOLF LAKE, IL 62998