Drinking Water Compliance OS

OTTAWA, IL · LaSalle County

RETZ ADDN IMPROVEMENT ASSOCIATION 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)
IL0995400
System type
Community Water System
Population served
168
Service connections
67
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 11, 2024 – May 20, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 11, 2024 – June 24, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2023 – September 30, 2023

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 28, 2023 – June 23, 2023

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2022 – June 26, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2021 – December 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – December 31, 2023

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2012 – July 31, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2012 – August 17, 2012

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 2, 2010 – January 20, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – July 28, 2008

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2005 – September 17, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2003 – September 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2003 – June 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2003 – March 31, 2003

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2002 – June 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    December 27, 2000 – September 30, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2000 – September 30, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    September 17, 1996 – September 16, 2000

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

RICK, ROBERT

815-481-6215

OTTAWA, IL 61350