MINOOKA, IL · Grundy County

MINOOKA 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): IL0630550
System type: Community Water System
Population served: 12,800
Service connections: 4,190
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
June 1, 2016 – June 30, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
March 1, 2014 – May 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
March 1, 2014 – May 31, 2014
Resolved
Monitoring, Regular
—
Endrin
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Diquat
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Endothall
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
LASSO
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2008 – December 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – July 20, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Endrin
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Toxaphene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Dalapon
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Diquat
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Endothall
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Simazine
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Picloram
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Dinoseb
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Aldicarb
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Heptachlor
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
April 1, 2007 – June 30, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 11, 2006 – June 30, 2006
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
February 11, 2006 – June 30, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2005 – June 12, 2006
Resolved
Monitoring, Regular
—
Simazine
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
February 1, 2001 – February 28, 2001
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2001 – January 31, 2001
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
November 21, 1994 – February 21, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
September 1, 1988 – May 30, 1990
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
June 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2014 – May 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
March 1, 2014 – May 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Endrin	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Diquat	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Endothall	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	LASSO	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2007 – July 20, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Endrin	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Toxaphene	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Dalapon	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Diquat	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Endothall	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Simazine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Picloram	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Dinoseb	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Aldicarb	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Heptachlor	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
February 11, 2006 – June 30, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 11, 2006 – June 30, 2006	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
July 1, 2005 – June 12, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Simazine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nitrate	—	Resolved
February 1, 2001 – February 28, 2001	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 2001 – January 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1997 – August 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
November 21, 1994 – February 21, 1997	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
September 1, 1988 – May 30, 1990	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

April 18, 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
July 27, 2016State Compliance achieved1 linked violation
June 15, 2016State Public Notification requested1 linked violation
June 15, 2016State Violation/Reminder Notice1 linked violation
June 10, 2016State Public Notification received1 linked violation
July 2, 2015State Public Notification received1 linked violation
July 2, 2015State Public Notification received2 linked violations
July 2, 2015State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 2, 2015State Public Notification received1 linked violation
March 30, 2015State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 15, 2015State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 15, 2015State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 23, 2014State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 23, 2014State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 20, 2014State Compliance achieved2 linked violations
October 20, 2014State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 15, 2014State Violation/Reminder Notice1 linked violation
October 15, 2014State Public Notification requested1 linked violation
October 15, 2014State Violation/Reminder Notice1 linked violation
October 15, 2014State Public Notification requested1 linked violation
September 2, 2014State Compliance achieved2 linked violations
July 15, 2014State Violation/Reminder Notice2 linked violations
July 15, 2014State Public Notification requested2 linked violations
May 23, 2011State Compliance achieved31 linked violations
January 24, 2011State Public Notification requested31 linked violations
January 24, 2011State Violation/Reminder Notice31 linked violations
July 26, 2007State Compliance achieved2 linked violations
July 25, 2007State Compliance achieved31 linked violations
July 20, 2007State Compliance achieved1 linked violation
July 12, 2007State Violation/Reminder Notice31 linked violations
July 27, 2006State Bilateral Compliance Agreement signed3 linked violations
June 30, 2006State Compliance achieved2 linked violations
June 30, 2006State Public Notification received4 linked violations
March 9, 2006State Violation/Reminder Notice1 linked violation
March 9, 2006State Violation/Reminder Notice1 linked violation
November 16, 2005State Bilateral Compliance Agreement signed3 linked violations
September 8, 2005State Formal Notice of Violation issued1 linked violation
August 3, 2005State Public Notification requested1 linked violation
August 3, 2005State Violation/Reminder Notice1 linked violation
March 10, 2005State Compliance achieved2 linked violations
February 18, 2005State Violation/Reminder Notice2 linked violations
February 18, 2005State Public Notification requested2 linked violations
April 15, 2001State Violation/Reminder Notice7 linked violations
March 15, 2001State Public Notification requested4 linked violations
October 31, 1997State Public Notification received1 linked violation
October 25, 1997State Violation/Reminder Notice1 linked violation
October 25, 1997State Public Notification requested1 linked violation
February 21, 1997State Compliance achieved2 linked violations
November 1, 1995State Public Notification received1 linked violation
October 28, 1995State Violation/Reminder Notice1 linked violation
October 28, 1995State Public Notification requested1 linked violation
May 18, 1994State Compliance achieved1 linked violation
May 18, 1994State Compliance achieved2 linked violations
April 14, 1994State Public Notification requested1 linked violation
April 14, 1994State Violation/Reminder Notice1 linked violation
May 30, 1990State Compliance achieved2 linked violations
April 2, 1990State Public Notification received1 linked violation
January 16, 1990State Public Notification requested3 linked violations
November 1, 1989State Public Notification received1 linked violation
April 6, 1989State Public Notification requested1 linked violation
January 12, 1989State Public Notification received8 linked violations

Contact

ANDERSON, RYAN

815-467-8868

MINOOKA, IL 60447