ROCKTON, IL · Winnebago County

ROCKTON 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): IL2010350
System type: Community Water System
Population served: 7,685
Service connections: 2,275
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
April 2, 2023 – May 19, 2023
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2023 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2013 – November 20, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2013 – September 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2012 – September 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2011 – March 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2009 – August 17, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2006 – June 30, 2006
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
March 12, 2006 – April 26, 2006
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 12, 2006 – April 26, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 1993 – March 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
April 2, 2023 – May 19, 2023	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
October 1, 2013 – November 20, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2009 – July 31, 2009	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – August 17, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
March 12, 2006 – April 26, 2006	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
March 12, 2006 – April 26, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
March 1, 1993 – March 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
February 1, 1993 – February 28, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 1993 – February 28, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1991 – November 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

April 17, 2023State Public Notification requested1 linked violation
January 31, 2014State Violation/Reminder Notice2 linked violations
October 15, 2013State Public Notification requested2 linked violations
August 5, 2013State Public Notification received2 linked violations
July 23, 2013State Violation/Reminder Notice2 linked violations
April 18, 2013State Public Notification requested32 linked violations
February 4, 2013State Public Notification received2 linked violations
January 16, 2013State Public Notification requested2 linked violations
November 1, 2012State Public Notification received2 linked violations
October 17, 2012State Public Notification requested2 linked violations
August 3, 2012State Violation/Reminder Notice22 linked violations
April 12, 2012State Public Notification requested12 linked violations
January 30, 2012State Public Notification received2 linked violations
January 17, 2012State Violation/Reminder Notice2 linked violations
October 19, 2011State Violation/Reminder Notice2 linked violations
July 12, 2011State Bilateral Compliance Agreement signed14 linked violations
May 5, 2011State Public Notification received2 linked violations
April 19, 2011State Violation/Reminder Notice2 linked violations
February 14, 2011State Public Notification received2 linked violations
January 21, 2011State Violation/Reminder Notice2 linked violations
September 8, 2009State Public Notification received2 linked violations
August 31, 2009State Compliance achieved5 linked violations
August 17, 2009State Compliance achieved2 linked violations
August 12, 2009State Public Notification requested2 linked violations
August 12, 2009State Public Notification requested1 linked violation
April 22, 2009State Violation/Reminder Notice2 linked violations
April 21, 2009State Violation/Reminder Notice2 linked violations
October 22, 2008State Public Notification requested2 linked violations
April 16, 2008State Violation/Reminder Notice2 linked violations
March 27, 2008State Public Notification received2 linked violations
January 17, 2008State Public Notification requested1 linked violation
January 17, 2008State Violation/Reminder Notice1 linked violation
December 27, 2007State Public Notification received1 linked violation
October 18, 2007State Violation/Reminder Notice3 linked violations
September 29, 2007State Public Notification received3 linked violations
July 19, 2007State Violation/Reminder Notice2 linked violations
June 28, 2007State Public Notification received4 linked violations
April 24, 2007State Public Notification requested62 linked violations
June 22, 2006State Bilateral Compliance Agreement signed87 linked violations
April 26, 2006State Public Notification received121 linked violations
April 19, 2006State Compliance achieved3 linked violations
March 2, 2006State Formal Notice of Violation issued15 linked violations
November 19, 2002State Public Notification requested1 linked violation
November 19, 2002State Violation/Reminder Notice1 linked violation
May 15, 1993State Violation/Reminder Notice1 linked violation
April 15, 1993State Violation/Reminder Notice4 linked violations
April 15, 1993State Public Notification requested3 linked violations
February 5, 1992State Public Notification received1 linked violation
January 18, 1992State Violation/Reminder Notice1 linked violation
December 22, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 22, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 17, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 17, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 20, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 20, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 23, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

BARBER, DANIEL J.

815-985-5673

ROCKTON, IL 61072