DIXMOOR, IL · Cook County

DIXMOOR Water System

Current status

4 items on record are 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): IL0310660
System type: Community Water System
Population served: 2,973
Service connections: 654
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
October 13, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2025 – December 31, 2025
Archived
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2024 – December 31, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2024 – October 9, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 15, 2022
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2020 – June 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2020 – June 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2012 – December 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2012 – December 31, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2012 – September 24, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 19, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 14, 2011 – June 28, 2013
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 2, 2010 – March 4, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2009 – August 18, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2009 – July 31, 2009
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 8, 2008 – July 1, 2009
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – December 31, 2008
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2007 – December 31, 2007
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2006 – December 31, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – July 11, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2001 – December 31, 2001
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2001 – October 31, 2001
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2000 – August 31, 2000
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
October 1, 1999 – December 31, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1999 – October 31, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1999 – September 30, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1999 – August 31, 1999
Archived
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1999 – July 31, 1999
Archived
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1999 – June 30, 1999
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 1998 – September 30, 1998
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1998 – June 30, 1998
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
October 1, 1997 – December 31, 1997
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 1997 – June 30, 1998
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1997 – May 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Archived
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1997 – June 30, 1997
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
December 1, 1994 – December 31, 1994
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
July 1, 1994 – June 30, 1996
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
December 17, 1993 – June 30, 1996
Resolved
Public Education
Health-based
Lead and Copper Rule
January 1, 1993 – February 5, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 1992 – July 21, 1993
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
October 13, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
October 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – October 9, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 15, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2020 – June 30, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2020 – June 30, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2012 – September 24, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2012 – July 19, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 14, 2011 – June 28, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 2, 2010 – March 4, 2010	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2009 – August 18, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2009 – June 30, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 8, 2008 – July 1, 2009	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2008 – June 30, 2008	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2007 – December 31, 2007	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2006 – December 31, 2006	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2005 – July 11, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2001 – December 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 2001 – October 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 2000 – August 31, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 2000 – June 30, 2000	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 1999 – December 31, 1999	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
October 1, 1999 – October 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1999 – September 30, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1999 – August 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1999 – September 30, 1999	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 1999 – July 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1999 – June 30, 1999	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 1998 – September 30, 1998	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 1998 – June 30, 1998	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
October 1, 1997 – December 31, 1997	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 1997 – June 30, 1998	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1997 – September 30, 1997	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1997 – May 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997 – June 30, 1997	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 1995 – January 31, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
December 1, 1994 – December 31, 1994	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1994 – June 30, 1996	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
December 17, 1993 – June 30, 1996	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 1, 1993 – February 5, 1994	Public Education	Lead and Copper Rule	Health-based	Resolved
October 1, 1992 – July 21, 1993	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

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

Enforcement actions

November 24, 2025State Violation/Reminder Notice1 linked violation
August 8, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
April 2, 2025State Compliance achieved2 linked violations
January 14, 2025State Public Notification requested1 linked violation
January 14, 2025State Public Notification requested1 linked violation
January 14, 2025State Violation/Reminder Notice1 linked violation
January 14, 2025State Violation/Reminder Notice1 linked violation
October 12, 2024State Violation/Reminder Notice1 linked violation
October 12, 2024State Public Notification requested1 linked violation
October 9, 2024State Compliance achieved1 linked violation
September 21, 2022State Compliance achieved2 linked violations
August 12, 2022State Violation/Reminder Notice1 linked violation
July 14, 2021State Violation/Reminder Notice2 linked violations
July 14, 2021State Public Notification requested2 linked violations
September 4, 2015State Compliance achieved1 linked violation
June 25, 2015State Public Notification received1 linked violation
October 21, 2014State Public Notification requested1 linked violation
October 21, 2014State Violation/Reminder Notice1 linked violation
September 24, 2013State Compliance achieved1 linked violation
July 2, 2013State Public Notification received2 linked violations
July 2, 2013State Public Notification received2 linked violations
July 2, 2013State Public Notification received1 linked violation
June 28, 2013State Compliance achieved1 linked violation
April 12, 2013State Compliance achieved2 linked violations
January 14, 2013State Public Notification requested2 linked violations
January 14, 2013State Violation/Reminder Notice2 linked violations
October 11, 2012State Public Notification requested1 linked violation
October 11, 2012State Violation/Reminder Notice1 linked violation
July 19, 2012State Compliance achieved1 linked violation
July 12, 2012State Violation/Reminder Notice1 linked violation
November 10, 2011State Violation/Reminder Notice1 linked violation
July 21, 2011State Compliance achieved2 linked violations
November 22, 2010State Bilateral Compliance Agreement signed2 linked violations
November 4, 2010State Formal Notice of Violation issued2 linked violations
October 13, 2010State Public Notification requested2 linked violations
October 13, 2010State Violation/Reminder Notice2 linked violations
March 4, 2010State Compliance achieved1 linked violation
February 1, 2010State Compliance achieved2 linked violations
January 12, 2010State Violation/Reminder Notice1 linked violation
October 26, 2009State Public Notification received3 linked violations
October 22, 2009State Public Notification received2 linked violations
August 18, 2009State Compliance achieved1 linked violation
August 12, 2009State Public Notification requested2 linked violations
August 12, 2009State Public Notification requested2 linked violations
July 1, 2009State Compliance achieved1 linked violation
March 12, 2009State Bilateral Compliance Agreement signed5 linked violations
December 18, 2008State Formal Notice of Violation issued4 linked violations
October 22, 2008State Public Notification requested4 linked violations
July 25, 2008State Compliance achieved2 linked violations
July 25, 2008State Compliance achieved5 linked violations
January 30, 2008State Violation/Reminder Notice3 linked violations
May 1, 1995State Public Notification received1 linked violation
March 30, 1994State Violation/Reminder Notice1 linked violation
March 30, 1994State Public Notification requested1 linked violation
February 5, 1994State Compliance achieved1 linked violation
July 21, 1993State Compliance achieved1 linked violation

Contact

THOMPSON, JOHN

708-389-6121

DIXMOOR, IL 60426