AUBURN, IL · Sangamon County

AUBURN 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): IL1670050
System type: Community Water System
Population served: 4,574
Service connections: 1,917
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025 – December 2, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – December 2, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chloramine
December 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chloramine
January 1, 2012 – February 21, 2012
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2010 – July 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2006 – October 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 1997 – March 31, 1997
Archived
Maximum Contaminant Level Violation, Average
Health-based
Atrazine
April 1, 1994 – June 21, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Atrazine
January 1, 1994 – March 31, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Atrazine
October 1, 1993 – December 31, 1993
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
July 1, 2025 – December 2, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2025 – December 2, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2012 – February 21, 2012	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
July 1, 2010 – July 31, 2010	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2010 – May 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2006 – October 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 1997 – March 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
April 1, 1994 – June 21, 1994	Maximum Contaminant Level Violation, Average	Atrazine	Health-based	Resolved
January 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Average	Atrazine	Health-based	Resolved
October 1, 1993 – December 31, 1993	Maximum Contaminant Level Violation, Average	Atrazine	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

December 3, 2025State Public Notification received1 linked violation
December 3, 2025State Public Notification received1 linked violation
December 2, 2025State Compliance achieved2 linked violations
November 4, 2025State Violation/Reminder Notice1 linked violation
November 4, 2025State Violation/Reminder Notice1 linked violation
February 6, 2025State Compliance achieved1 linked violation
February 6, 2025State Compliance achieved1 linked violation
January 24, 2025State Public Notification requested1 linked violation
January 24, 2025State Public Notification requested1 linked violation
January 24, 2025State Violation/Reminder Notice1 linked violation
January 24, 2025State Violation/Reminder Notice1 linked violation
February 21, 2012State Compliance achieved1 linked violation
February 16, 2012State Violation/Reminder Notice1 linked violation
September 7, 2010State Compliance achieved1 linked violation
September 7, 2010State Public Notification received1 linked violation
August 17, 2010State Violation/Reminder Notice1 linked violation
August 17, 2010State Public Notification requested1 linked violation
August 17, 2010State Intentional no-action1 linked violation
July 20, 2010State Public Notification received1 linked violation
July 10, 2010State Compliance achieved1 linked violation
June 16, 2010State Public Notification requested1 linked violation
June 16, 2010State Violation/Reminder Notice1 linked violation
May 1, 2007State Compliance achieved1 linked violation
November 15, 2006State Violation/Reminder Notice1 linked violation
July 3, 1997State Public Notification received1 linked violation
June 7, 1997State Violation/Reminder Notice1 linked violation
June 7, 1997State Public Notification requested1 linked violation
July 1, 1994State Violation/Reminder Notice2 linked violations
July 1, 1994State Public Notification requested3 linked violations
July 1, 1994State Public Notification requested1 linked violation
July 1, 1994State Violation/Reminder Notice1 linked violation
June 21, 1994State Compliance achieved3 linked violations
April 1, 1994State Public Notification requested1 linked violation
April 1, 1994State Violation/Reminder Notice1 linked violation
April 1, 1994State Public Notification requested2 linked violations
October 8, 1993State Public Notification requested1 linked violation
October 8, 1993State Violation/Reminder Notice1 linked violation
November 19, 1992State Public Notification received1 linked violation
November 14, 1992State Public Notification requested1 linked violation
July 21, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 21, 1990State Violation/Reminder Notice1 linked violation

Contact

HENSON, JR., THOMAS

217-438-6605

AUBURN, IL 62615