Drinking Water Compliance OS

WILLISVILLE, IL · Perry County

WILLISVILLE 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)
IL1450300
System type
Community Water System
Population served
799
Service connections
350
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 12, 2025 – September 5, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2024 – June 30, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2023 – December 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2023 – December 31, 2023

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2021 – February 2, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2019 – November 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2019 – November 30, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2016 – January 21, 2016

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 6, 2010 – November 5, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Chlorite

    January 1, 2010 – January 31, 2010

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

    Lead and Copper Rule

    October 1, 2005 – August 22, 2006

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

    Lead and Copper Rule

    October 1, 2004 – August 22, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1998 – July 31, 1998

    Archived

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

Enforcement actions

Contact

WARNER, CLARENCE

618-497-2632

WILLISVILLE, IL 62997