GREEN OAKS, IL · Lake County

GREEN OAKS Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 3 other open item(s). See the violation history below for contaminant and status details.

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): IL0970040
System type: Community Water System
Population served: 1,470
Service connections: 490
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2025
Unaddressed
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
December 22, 1997 – March 29, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1996 – June 30, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Archived

Unaddressed no corrective action on record yetResolved 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
August 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
December 1, 2009 – December 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 22, 1997 – March 29, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1996 – June 30, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 1995 – April 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

September 24, 2025State Violation/Reminder Notice1 linked violation
September 16, 2025State Compliance achieved1 linked violation
August 27, 2025State Violation/Reminder Notice1 linked violation
July 22, 2025State Violation/Reminder Notice2 linked violations
July 22, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 2, 2025State Violation/Reminder Notice1 linked violation
July 2, 2025State Public Notification requested1 linked violation
July 1, 2010State Compliance achieved1 linked violation
June 25, 2010State Public Notification received3 linked violations
February 4, 2010State Compliance achieved1 linked violation
January 12, 2010State Public Notification requested1 linked violation
January 12, 2010State Violation/Reminder Notice1 linked violation
January 12, 2010State Public Notification requested1 linked violation
January 12, 2010State Violation/Reminder Notice1 linked violation
June 28, 1997State Violation/Reminder Notice1 linked violation
June 28, 1997State Public Notification requested1 linked violation
June 17, 1997State Public Notification received1 linked violation
June 30, 1996State Compliance achieved1 linked violation
June 24, 1995State Public Notification requested1 linked violation
June 24, 1995State Violation/Reminder Notice1 linked violation

Contact

KAFKIS, DENISE

847-362-5363

GREEN OAKS, IL 60048