CHICAGO, IL · McHenry County

ROYAL OAKS MHP 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): IL1115145
System type: Community Water System
Population served: 170
Service connections: 65
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2013 – February 28, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2013 – March 29, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2011 – February 28, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 5, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 2009 – November 30, 2009
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2008 – September 30, 2008
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2004 – June 30, 2004
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2000 – August 31, 2000
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2000 – May 31, 2000
Archived
Public Education
Health-based
Lead and Copper Rule
January 1, 1994 – March 2, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
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
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
February 1, 2013 – February 28, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – March 29, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2011 – February 28, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2010 – July 5, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2010 – April 30, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2009 – December 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – June 30, 2007	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 2000 – August 31, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 2000 – July 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
May 1, 2000 – May 31, 2000	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1994 – March 2, 1995	Public Education	Lead and Copper Rule	Health-based	Resolved
September 1, 1992 – September 30, 1992	Monitoring, Routine Minor (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 6, 2025State Violation/Reminder Notice1 linked violation
August 29, 2013State Public Notification received1 linked violation
August 29, 2013State Public Notification received1 linked violation
March 29, 2013State Compliance achieved2 linked violations
March 14, 2013State Violation/Reminder Notice1 linked violation
March 14, 2013State Public Notification requested1 linked violation
March 14, 2013State Violation/Reminder Notice1 linked violation
March 14, 2013State Public Notification requested1 linked violation
April 27, 2011State Public Notification received1 linked violation
March 16, 2011State Public Notification requested1 linked violation
March 16, 2011State Compliance achieved1 linked violation
March 16, 2011State Violation/Reminder Notice1 linked violation
July 16, 2010State Violation/Reminder Notice1 linked violation
July 5, 2010State Compliance achieved1 linked violation
June 10, 2010State Compliance achieved2 linked violations
May 19, 2010State Public Notification received3 linked violations
May 12, 2010State Violation/Reminder Notice1 linked violation
May 12, 2010State Public Notification requested1 linked violation
January 14, 2010State Compliance achieved1 linked violation
January 12, 2010State Public Notification requested1 linked violation
January 12, 2010State Public Notification requested1 linked violation
January 12, 2010State Violation/Reminder Notice1 linked violation
January 12, 2010State Violation/Reminder Notice1 linked violation
December 17, 2009State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 15, 2009State Violation/Reminder Notice1 linked violation
May 15, 2009State Public Notification received2 linked violations
February 25, 2009State Public Notification received1 linked violation
February 18, 2009State Compliance achieved2 linked violations
January 14, 2009State Violation/Reminder Notice2 linked violations
January 14, 2009State Public Notification requested2 linked violations
October 24, 2008State Public Notification requested1 linked violation
October 24, 2008State Violation/Reminder Notice1 linked violation
October 14, 2008State Compliance achieved1 linked violation
July 12, 2007State Compliance achieved1 linked violation
July 12, 2007State Violation/Reminder Notice1 linked violation
October 6, 2005State Public Notification received1 linked violation
May 31, 2005State Public Notification received1 linked violation
May 18, 2005State Violation/Reminder Notice1 linked violation
May 18, 2005State Public Notification requested1 linked violation
April 28, 2005State Public Notification received1 linked violation
April 19, 2005State Compliance achieved1 linked violation
April 13, 2005State Public Notification requested1 linked violation
March 22, 2005State Compliance achieved1 linked violation
August 24, 2004State Public Notification requested1 linked violation
August 24, 2004State Violation/Reminder Notice1 linked violation
January 15, 2001State Public Notification requested2 linked violations
January 15, 2001State Violation/Reminder Notice2 linked violations
September 15, 2000State Violation/Reminder Notice70 linked violations
July 15, 2000State Violation/Reminder Notice4 linked violations
March 2, 1995State Compliance achieved1 linked violation
November 6, 1992State Public Notification received2 linked violations
June 30, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 30, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 21, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

DWORKIN, BRADLEY

312-857-7777

CHICAGO, IL 60602