HINCKLEY, IL · DeKalb County

HINCKLEY 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): IL0370200
System type: Community Water System
Population served: 2,006
Service connections: 851
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2013 – December 31, 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
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 7, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2006 – August 30, 2006
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2002 – June 30, 2003
Resolved
Monitoring, Regular
—
Benzene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Toluene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Styrene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1995 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Benzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Toluene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Styrene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 4, 1985 – February 21, 1989
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2013 – December 31, 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
April 1, 2012 – June 30, 2012	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
September 1, 2008 – September 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2007 – March 7, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2006 – December 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – August 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2002 – June 30, 2003	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Benzene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Toluene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Styrene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 1995 – June 30, 1996	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Benzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Toluene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Styrene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
September 1, 1992 – September 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1992 – August 31, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
October 4, 1985 – February 21, 1989	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

September 10, 2018State Compliance achieved7 linked violations
November 4, 2016State Public Notification received1 linked violation
October 13, 2016State Public Notification requested1 linked violation
October 13, 2016State Violation/Reminder Notice1 linked violation
June 23, 2014State Public Notification received1 linked violation
May 27, 2014State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 14, 2014State Compliance achieved1 linked violation
April 16, 2014State Public Notification requested1 linked violation
April 16, 2014State Violation/Reminder Notice1 linked violation
April 15, 2014State Violation/Reminder Notice1 linked violation
April 15, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 24, 2014State Public Notification received1 linked violation
January 30, 2014State Violation/Reminder Notice1 linked violation
January 30, 2014State Public Notification requested1 linked violation
November 25, 2013State Public Notification received1 linked violation
October 15, 2013State Violation/Reminder Notice1 linked violation
October 15, 2013State Public Notification requested1 linked violation
August 15, 2013State Public Notification received1 linked violation
July 12, 2013State Violation/Reminder Notice1 linked violation
July 12, 2013State Public Notification requested1 linked violation
June 6, 2013State Bilateral Compliance Agreement signed7 linked violations
May 13, 2013State Public Notification received1 linked violation
April 18, 2013State Public Notification requested1 linked violation
April 18, 2013State Violation/Reminder Notice1 linked violation
February 19, 2013State Public Notification received1 linked violation
February 6, 2013State Formal Notice of Violation issued7 linked violations
January 16, 2013State Violation/Reminder Notice1 linked violation
January 16, 2013State Public Notification requested1 linked violation
July 31, 2012State Compliance achieved1 linked violation
July 13, 2012State Violation/Reminder Notice1 linked violation
April 1, 2009State Compliance achieved1 linked violation
October 24, 2008State Public Notification requested1 linked violation
October 24, 2008State Violation/Reminder Notice1 linked violation
September 30, 2007State Compliance achieved2 linked violations
September 1, 2007State Compliance achieved2 linked violations
June 21, 2007State Bilateral Compliance Agreement signed1 linked violation
May 22, 2007State Compliance achieved1 linked violation
May 14, 2007State Public Notification received1 linked violation
May 8, 2007State Formal Notice of Violation issued1 linked violation
May 7, 2007State Public Notification received2 linked violations
April 25, 2007State Public Notification requested1 linked violation
April 25, 2007State Violation/Reminder Notice1 linked violation
March 15, 2007State Violation/Reminder Notice1 linked violation
March 15, 2007State Violation/Reminder Notice1 linked violation
March 15, 2007State Public Notification requested1 linked violation
March 15, 2007State Public Notification requested1 linked violation
March 7, 2007State Compliance achieved1 linked violation
January 24, 2007State Compliance achieved1 linked violation
January 11, 2007State Violation/Reminder Notice1 linked violation
January 11, 2007State Violation/Reminder Notice1 linked violation
October 12, 2006State Violation/Reminder Notice1 linked violation
August 30, 2006State Compliance achieved1 linked violation
April 24, 2006State Public Notification received1 linked violation
November 2, 2005State Compliance achieved3 linked violations
July 18, 2005State Public Notification requested1 linked violation
July 13, 2005State Violation/Reminder Notice1 linked violation
July 13, 2005State Public Notification requested1 linked violation
June 8, 2005State Compliance achieved2 linked violations
June 30, 2003State Compliance achieved1 linked violation
August 12, 2002State Violation/Reminder Notice1 linked violation
August 7, 2002State Compliance achieved1 linked violation
August 5, 2002State Violation/Reminder Notice1 linked violation
January 26, 1999State Compliance achieved20 linked violations
May 16, 1998State Violation/Reminder Notice1 linked violation
May 16, 1998State Public Notification requested1 linked violation
November 9, 1995State Public Notification received20 linked violations
October 2, 1995State Violation/Reminder Notice20 linked violations
October 2, 1995State Public Notification requested20 linked violations
May 18, 1995State Compliance achieved4 linked violations
December 31, 1994State Compliance achieved20 linked violations
July 10, 1994State Public Notification requested20 linked violations
July 10, 1994State Violation/Reminder Notice20 linked violations
November 12, 1992State Public Notification received1 linked violation
October 24, 1992State Violation/Reminder Notice1 linked violation
October 24, 1992State Public Notification requested1 linked violation
September 27, 1992State Public Notification requested3 linked violations
September 27, 1992State Violation/Reminder Notice3 linked violations
July 1, 1992State Public Notification requested1 linked violation
December 2, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 14, 1989State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

BENNETT, JOAN

815-286-3836

HINCKLEY, IL 60520