MOUNT ZION, IL · Macon County

MOUNT ZION 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): IL1150350
System type: Community Water System
Population served: 5,833
Service connections: 1,930
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2024 – June 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2024 – March 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2022 – March 31, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 30, 2021 – January 4, 2022
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
December 30, 2021 – February 10, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
June 6, 2021 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2019 – September 30, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2013 – June 9, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2009 – October 16, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
January 1, 2001 – March 31, 2001
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1999 – June 30, 1999
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1998 – June 30, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1997 – June 30, 1997
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
July 1, 1996 – September 30, 1996
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
June 11, 1992 – June 25, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
May 6, 1992 – May 29, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
March 19, 1992 – April 9, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
January 31, 1985 – June 30, 1985
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
May 15, 1981 – June 15, 1981
Resolved

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
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 30, 2021 – January 4, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 30, 2021 – February 10, 2022	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 6, 2021 – June 30, 2022	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2013 – June 9, 2014	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2009 – October 16, 2009	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2001 – March 31, 2001	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
April 1, 1999 – June 30, 1999	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
April 1, 1998 – June 30, 1998	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
April 1, 1997 – June 30, 1997	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
July 1, 1996 – September 30, 1996	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1993 – January 31, 1993	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1993 – January 31, 1993	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1993 – January 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 11, 1992 – June 25, 1992	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
May 6, 1992 – May 29, 1992	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
March 19, 1992 – April 9, 1992	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 31, 1985 – June 30, 1985	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
May 15, 1981 – June 15, 1981	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved

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

Enforcement actions

March 4, 2025State Compliance achieved4 linked violations
January 31, 2025State Public Notification received1 linked violation
December 12, 2024State Public Notification requested1 linked violation
December 12, 2024State Violation/Reminder Notice1 linked violation
November 1, 2024State Public Notification received1 linked violation
September 18, 2024State Public Notification requested1 linked violation
September 18, 2024State Violation/Reminder Notice1 linked violation
August 14, 2024State Public Notification received1 linked violation
August 12, 2024State Administrative/Compliance Order without penalty issued3 linked violations
June 5, 2024State Public Notification requested1 linked violation
June 5, 2024State Violation/Reminder Notice1 linked violation
April 2, 2024State Public Notification received1 linked violation
March 27, 2024State Formal Notice of Violation issued3 linked violations
March 11, 2024State Violation/Reminder Notice1 linked violation
March 11, 2024State Public Notification requested1 linked violation
September 9, 2022State Compliance achieved3 linked violations
September 1, 2022State Public Notification received1 linked violation
August 2, 2022State Public Notification received1 linked violation
June 30, 2022State Compliance achieved1 linked violation
June 17, 2022State Public Notification requested1 linked violation
June 17, 2022State Violation/Reminder Notice1 linked violation
April 4, 2022State Public Notification received1 linked violation
March 18, 2022State Public Notification requested1 linked violation
March 18, 2022State Violation/Reminder Notice1 linked violation
March 10, 2022State Administrative/Compliance Order without penalty issued1 linked violation
March 10, 2022State Administrative/Compliance Order without penalty issued1 linked violation
March 10, 2022State Bilateral Compliance Agreement signed3 linked violations
March 10, 2022State Administrative/Compliance Order without penalty issued1 linked violation
February 10, 2022State Compliance achieved1 linked violation
January 28, 2022State Public Notification requested1 linked violation
January 28, 2022State Violation/Reminder Notice1 linked violation
January 4, 2022State Compliance achieved1 linked violation
January 3, 2022State Violation/Reminder Notice1 linked violation
December 21, 2021State Formal Notice of Violation issued3 linked violations
November 29, 2021State Violation/Reminder Notice1 linked violation
November 29, 2021State Public Notification requested1 linked violation
September 15, 2021State Bilateral Compliance Agreement signed1 linked violation
June 29, 2021State Violation/Reminder Notice1 linked violation
June 29, 2021State Formal Notice of Violation issued1 linked violation
June 29, 2021State Public Notification requested1 linked violation
January 4, 2021State Public Notification received1 linked violation
May 11, 2020State Public Notification received1 linked violation
October 4, 2019State Compliance achieved1 linked violation
September 16, 2019State Violation/Reminder Notice1 linked violation
September 16, 2019State Public Notification requested1 linked violation
July 22, 2015State Compliance achieved1 linked violation
July 15, 2015State Violation/Reminder Notice1 linked violation
January 21, 2015State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
January 21, 2015State Bilateral Compliance Agreement signed2 linked violations
November 7, 2014State Formal Notice of Violation issued2 linked violations
October 31, 2014State Compliance achieved2 linked violations
October 28, 2014State Public Notification received1 linked violation
October 15, 2014State Public Notification requested1 linked violation
October 15, 2014State Violation/Reminder Notice1 linked violation
September 15, 2014State Public Notification received1 linked violation
September 14, 2014State Violation/Reminder Notice1 linked violation
June 9, 2014State Compliance achieved1 linked violation
August 26, 2013State Violation/Reminder Notice1 linked violation
October 16, 2009State Compliance achieved1 linked violation
July 10, 2002State Public Notification requested1 linked violation
July 10, 2002State Violation/Reminder Notice1 linked violation
June 12, 2002State Compliance achieved2 linked violations
March 4, 2002State Violation/Reminder Notice1 linked violation
March 4, 2002State Public Notification requested1 linked violation
June 30, 2001State Compliance achieved3 linked violations
June 14, 2001State Public Notification requested3 linked violations
July 2, 1999State Compliance achieved1 linked violation
May 5, 1999State Public Notification requested1 linked violation
May 5, 1999State Violation/Reminder Notice1 linked violation
July 1, 1998State Compliance achieved1 linked violation
June 22, 1998State Public Notification requested1 linked violation
June 22, 1998State Violation/Reminder Notice1 linked violation
July 9, 1997State Compliance achieved2 linked violations
July 1, 1997State Public Notification requested1 linked violation
July 1, 1997State Violation/Reminder Notice1 linked violation
June 16, 1997State Violation/Reminder Notice1 linked violation
June 16, 1997State Public Notification requested1 linked violation
April 2, 1997State Public Notification received1 linked violation
July 3, 1996State Public Notification requested1 linked violation
July 3, 1996State Violation/Reminder Notice1 linked violation
July 1, 1996State Violation/Reminder Notice1 linked violation
July 1, 1996State Public Notification requested1 linked violation
May 8, 1996State Public Notification received1 linked violation
March 17, 1994State Public Notification received1 linked violation
March 13, 1994State Violation/Reminder Notice1 linked violation
March 13, 1994State Violation/Reminder Notice2 linked violations
March 13, 1994State Public Notification requested1 linked violation
March 14, 1993State Violation/Reminder Notice3 linked violations
March 14, 1993State Public Notification requested3 linked violations
March 4, 1993State Public Notification received3 linked violations
June 25, 1992State Compliance achieved1 linked violation
May 29, 1992State Compliance achieved1 linked violation
April 9, 1992State Compliance achieved1 linked violation
January 31, 1992State Compliance achieved1 linked violation

Contact

MILLER, JULIE

217-864-5424

MOUNT ZION, IL 62549