LAKE BLUFF, IL · Lake County

HEIDEN GARDENS CONDOS 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): IL0975238
System type: Community Water System
Population served: 217
Service connections: 87
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – August 11, 2025
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2010 – November 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 8, 2005 – July 1, 2005
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
April 8, 2005 – July 1, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2005 – June 30, 2005
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
January 18, 2005 – July 1, 2005
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 18, 2005 – July 1, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2005 – February 15, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2004 – September 30, 2004
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 10, 2004 – July 6, 2004
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
April 10, 2004 – July 6, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2004 – June 30, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 3, 1997 – September 11, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
September 2, 1997 – June 30, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 1, 1990 – March 15, 1991
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
May 1, 1990 – March 15, 1991
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
May 5, 1986 – May 4, 1990
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – August 11, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2010 – November 30, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 8, 2005 – July 1, 2005	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 8, 2005 – July 1, 2005	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Combined Uranium	—	Resolved
January 18, 2005 – July 1, 2005	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
January 18, 2005 – July 1, 2005	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2005 – February 15, 2005	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 10, 2004 – July 6, 2004	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 10, 2004 – July 6, 2004	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
April 1, 2004 – June 30, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2004 – March 31, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
December 3, 1997 – September 11, 1998	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
September 2, 1997 – June 30, 1998	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
December 1, 1990 – March 15, 1991	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
May 1, 1990 – March 15, 1991	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
May 5, 1986 – May 4, 1990	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 11, 2025State Compliance achieved1 linked violation
July 30, 2025State Violation/Reminder Notice1 linked violation
January 26, 2022State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 19, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 24, 2011State Public Notification received1 linked violation
December 21, 2010State Violation/Reminder Notice1 linked violation
December 21, 2010State Public Notification requested1 linked violation
December 15, 2010State Compliance achieved1 linked violation
April 20, 2009State Compliance achieved1 linked violation
April 14, 2009State Violation/Reminder Notice1 linked violation
July 5, 2006State Public Notification received2 linked violations
September 20, 2005State Compliance achieved3 linked violations
July 29, 2005State Public Notification requested5 linked violations
July 1, 2005State Compliance achieved4 linked violations
May 16, 2005State Violation/Reminder Notice2 linked violations
April 8, 2005State Violation/Reminder Notice1 linked violation
April 8, 2005State Public Notification requested1 linked violation
March 22, 2005State Violation/Reminder Notice2 linked violations
February 15, 2005State Compliance achieved9 linked violations
February 9, 2005State Public Notification requested3 linked violations
February 9, 2005State Violation/Reminder Notice3 linked violations
January 7, 2005State Public Notification requested1 linked violation
January 7, 2005State Violation/Reminder Notice1 linked violation
November 30, 2004State Compliance achieved1 linked violation
October 19, 2004State Public Notification requested2 linked violations
October 19, 2004State Violation/Reminder Notice1 linked violation
October 8, 2004State Public Notification received1 linked violation
July 10, 2004State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 6, 2004State Public Notification received2 linked violations
July 6, 2004State Compliance achieved3 linked violations
July 6, 2004State Public Notification received2 linked violations
July 6, 2004State Public Notification received1 linked violation
June 11, 2004State Violation/Reminder Notice2 linked violations
April 10, 2004State Public Notification requested1 linked violation
April 10, 2004State Public Notification requested3 linked violations
April 10, 2004State Violation/Reminder Notice1 linked violation
April 10, 2004State Violation/Reminder Notice1 linked violation
February 24, 2004State Public Notification requested2 linked violations
February 24, 2004State Violation/Reminder Notice1 linked violation
January 27, 2004State Formal Notice of Violation issued1 linked violation
January 10, 2004State Public Notification requested1 linked violation
September 11, 1998State Compliance achieved1 linked violation
June 30, 1998State Compliance achieved1 linked violation
February 3, 1998State Public Notification received2 linked violations
September 24, 1997State Public Notification received1 linked violation
September 19, 1997State Public Notification received1 linked violation
January 27, 1992State Public Notification received1 linked violation
March 15, 1991State Compliance achieved4 linked violations
February 15, 1991State Public Notification received2 linked violations
August 13, 1990State Public Notification received2 linked violations
February 22, 1990State Public Notification received2 linked violations
May 19, 1989State Public Notification received5 linked violations

Contact

O'BRIEN, MARK E.

847-274-5397

LAKE BLUFF, IL 60044