Drinking Water Compliance OS

DUQUOIN, IL · Perry County

DUQUOIN Water System

Current status

1 open health-based violation on record as of July 4, 2026. See the violation history below for contaminant and status details.

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)
IL1450100
System type
Community Water System
Population served
7,169
Service connections
3,039
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 22, 2025 – August 25, 2025

    Resolved
  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025 – December 11, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chloramine

    July 1, 2025 – July 31, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2025 – July 31, 2025

    Resolved
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2023 – September 30, 2023

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2020 – January 28, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – July 28, 2015

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    February 1, 1998 – February 28, 1998

    Archived
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    February 1, 1998 – February 28, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Archived

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

Enforcement actions

Contact

HALE, RUTH

618-542-3841

DUQUOIN, IL 62832