HANOVER PARK, IL · Cook County

HANOVER PARK 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): IL0314480
System type: Community Water System
Population served: 37,470
Service connections: 10,838
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
October 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring, Regular
—
Simazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2009 – July 31, 2009
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 1998 – December 31, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
January 1, 2014 – December 31, 2016	Monitoring, Regular	Simazine	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	LASSO	—	Resolved
July 1, 2009 – July 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Selenium	—	Resolved
October 1, 1998 – December 31, 1998	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 1998 – July 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

August 1, 2025State Violation/Reminder Notice1 linked violation
July 31, 2017State Compliance achieved6 linked violations
July 5, 2017State Public Notification received1 linked violation
July 5, 2017State Public Notification received1 linked violation
July 5, 2017State Public Notification received1 linked violation
July 5, 2017State Public Notification received1 linked violation
July 5, 2017State Public Notification received1 linked violation
July 5, 2017State Public Notification received1 linked violation
January 11, 2017State Public Notification requested1 linked violation
January 11, 2017State Violation/Reminder Notice2 linked violations
January 11, 2017State Public Notification requested2 linked violations
January 11, 2017State Violation/Reminder Notice1 linked violation
January 11, 2017State Public Notification requested1 linked violation
January 11, 2017State Violation/Reminder Notice1 linked violation
January 11, 2017State Violation/Reminder Notice1 linked violation
January 11, 2017State Public Notification requested1 linked violation
January 11, 2017State Violation/Reminder Notice1 linked violation
January 11, 2017State Public Notification requested1 linked violation
January 11, 2017State Violation/Reminder Notice1 linked violation
January 11, 2017State Public Notification requested1 linked violation
February 1, 2010State Compliance achieved1 linked violation
September 8, 2009State Public Notification received2 linked violations
August 12, 2009State Public Notification requested1 linked violation
June 10, 2005State Public Notification received12 linked violations
May 2, 2005State Compliance achieved12 linked violations
February 15, 2005State Public Notification requested12 linked violations
December 14, 1999State Compliance achieved12 linked violations
September 15, 1998State Violation/Reminder Notice1 linked violation
September 15, 1998State Public Notification requested1 linked violation

Contact

MALLER, JULIANA

630-823-5610

HANOVER PARK, IL 60133