ANDOVER, IL · Henry County

ANDOVER 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): IL0730100
System type: Community Water System
Population served: 565
Service connections: 250
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring, Regular
—
Nitrite
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Toluene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Benzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Styrene
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2003 – March 31, 2003
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1994 – July 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1994 – March 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Monitoring, Regular
—
Tetrachloroethylene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Toluene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1993 – April 30, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1993 – March 31, 1993
Archived
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1991 – April 30, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Unaddressed no corrective action on record yetArchived 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
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
January 1, 2005 – December 31, 2007	Monitoring, Regular	Nitrite	—	Archived
July 1, 2004 – September 30, 2004	Monitoring, Regular	Toluene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Benzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Styrene	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2003 – March 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1994 – July 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1994 – March 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – January 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1993 – December 31, 1993	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Toluene	—	Resolved
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1993 – April 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1993 – March 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1992 – August 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1991 – April 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

July 10, 2006State Public Notification received2 linked violations
June 27, 2006State Compliance achieved7 linked violations
January 10, 2006State Compliance achieved1 linked violation
October 26, 2005State Violation/Reminder Notice1 linked violation
August 10, 2005State Public Notification requested2 linked violations
June 30, 2005State Public Notification received26 linked violations
February 15, 2005State Violation/Reminder Notice2 linked violations
October 13, 2004State Compliance achieved21 linked violations
August 18, 2004State Violation/Reminder Notice2 linked violations
May 19, 2003State Violation/Reminder Notice2 linked violations
September 25, 1994State Violation/Reminder Notice1 linked violation
September 25, 1994State Public Notification requested1 linked violation
September 15, 1994State Public Notification received1 linked violation
July 23, 1994State Violation/Reminder Notice1 linked violation
July 23, 1994State Public Notification requested2 linked violations
July 23, 1994State Public Notification requested1 linked violation
May 12, 1994State Public Notification requested3 linked violations
May 12, 1994State Violation/Reminder Notice2 linked violations
May 12, 1994State Public Notification requested2 linked violations
May 12, 1994State Violation/Reminder Notice1 linked violation
May 5, 1994State Compliance achieved2 linked violations
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved2 linked violations
May 5, 1994State Compliance achieved2 linked violations
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved18 linked violations
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved1 linked violation
May 5, 1994State Compliance achieved2 linked violations
May 5, 1994State Compliance achieved2 linked violations
May 5, 1994State Compliance achieved1 linked violation
May 2, 1994State Compliance achieved1 linked violation
May 2, 1994State Compliance achieved1 linked violation
April 14, 1994State Public Notification requested2 linked violations
April 14, 1994State Violation/Reminder Notice2 linked violations
April 14, 1994State Violation/Reminder Notice4 linked violations
March 6, 1994State Public Notification requested1 linked violation
March 6, 1994State Violation/Reminder Notice1 linked violation
March 6, 1994State Violation/Reminder Notice1 linked violation
March 6, 1994State Public Notification requested2 linked violations
February 1, 1994State Violation/Reminder Notice17 linked violations
February 1, 1994State Violation/Reminder Notice2 linked violations
February 1, 1994State Violation/Reminder Notice2 linked violations
February 1, 1994State Violation/Reminder Notice2 linked violations
February 1, 1994State Violation/Reminder Notice2 linked violations
February 1, 1994State Violation/Reminder Notice3 linked violations
February 1, 1994State Violation/Reminder Notice3 linked violations
February 1, 1994State Violation/Reminder Notice1 linked violation
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested1 linked violation
February 1, 1994State Public Notification requested1 linked violation
February 1, 1994State Public Notification requested1 linked violation
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested1 linked violation
February 1, 1994State Public Notification requested1 linked violation
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested2 linked violations
February 1, 1994State Public Notification requested17 linked violations
January 29, 1994State Public Notification requested1 linked violation
January 29, 1994State Violation/Reminder Notice1 linked violation
January 29, 1994State Public Notification requested1 linked violation
January 29, 1994State Violation/Reminder Notice1 linked violation
January 1, 1994State Violation/Reminder Notice1 linked violation
January 1, 1994State Public Notification requested2 linked violations
January 1, 1994State Public Notification requested1 linked violation
October 3, 1993State Violation/Reminder Notice1 linked violation
October 3, 1993State Public Notification requested1 linked violation
October 3, 1993State Public Notification requested1 linked violation
July 3, 1993State Violation/Reminder Notice1 linked violation
July 3, 1993State Public Notification requested1 linked violation
June 17, 1993State Public Notification received2 linked violations
June 5, 1993State Violation/Reminder Notice1 linked violation
June 5, 1993State Public Notification requested1 linked violation
April 29, 1993State Public Notification requested1 linked violation
April 29, 1993State Violation/Reminder Notice1 linked violation
January 30, 1993State Violation/Reminder Notice1 linked violation
January 30, 1993State Public Notification requested1 linked violation
October 4, 1992State Public Notification requested1 linked violation
October 4, 1992State Violation/Reminder Notice1 linked violation
June 8, 1991State Public Notification requested1 linked violation
June 8, 1991State Violation/Reminder Notice1 linked violation
November 21, 1989State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
September 9, 1989State Public Notification requested3 linked violations

Contact

MIELKE, MIKE

309-949-2021

ANDOVER, IL 61233