TECHNY, IL · Cook County

GLENBROOK SD 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): IL0315310
System type: Community Water System
Population served: 822
Service connections: 337
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2011 – July 30, 2012
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2001 – October 31, 2001
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2001 – September 30, 2001
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2001 – August 31, 2001
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 1, 1994 – December 27, 1994
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2011 – July 30, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2005 – April 30, 2005	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2001 – October 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 2001 – September 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 2001 – August 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – December 27, 1994	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

July 30, 2012State Compliance achieved1 linked violation
May 17, 2012State Public Notification received1 linked violation
October 12, 2011State Public Notification requested1 linked violation
October 12, 2011State Violation/Reminder Notice1 linked violation
January 30, 2008State Violation/Reminder Notice1 linked violation
January 11, 2008State Compliance achieved1 linked violation
June 15, 2005State Public Notification received1 linked violation
June 8, 2005State Public Notification requested1 linked violation
June 8, 2005State Violation/Reminder Notice1 linked violation
June 3, 2005State Compliance achieved1 linked violation
May 3, 2005State Compliance achieved1 linked violation
April 27, 2005State Public Notification received1 linked violation
April 14, 2005State Violation/Reminder Notice1 linked violation
April 14, 2005State Public Notification requested1 linked violation
October 15, 2001State Public Notification requested2 linked violations
October 15, 2001State Violation/Reminder Notice2 linked violations
December 27, 1994State Compliance achieved1 linked violation

Contact

LOPEZ, KENNETH J.

847-604-8280

TECHNY, IL 60062-0523