Drinking Water Compliance OS

OAK BROOK, IL · DeKalb County

SUBURBAN APARTMENTS (DE KALB UNIV DVL) 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)
IL0375148
System type
Community Water System
Population served
1,050
Service connections
26
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2025 – September 30, 2025

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2025 – September 30, 2025

    Archived
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – February 6, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 29, 2024 – May 1, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 29, 2024 – May 1, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 15, 2024 – April 12, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 15, 2024 – April 12, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2023 – September 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2023 – February 28, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2023 – March 31, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2022 – February 28, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2019 – September 30, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019 – July 3, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2019 – September 30, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 12, 2019 – May 24, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 12, 2019 – May 24, 2019

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2018 – September 30, 2018

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2018 – March 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2017 – December 31, 2017

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Archived
  • Public Education

    Health-based

    Lead and Copper Rule

    July 1, 1994 – August 30, 1995

    Resolved

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

Enforcement actions

Contact

BEDI, JUSTIN

319-601-1310

OAK BROOK, IL 60523