CHILLICOTHE, IL · Peoria County

CHILLICOTHE 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): IL1430200
System type: Community Water System
Population served: 5,996
Service connections: 2,500
Ownership: local government
Water source: groundwater (wells)

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025 – July 2, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
May 1, 2025 – May 31, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2023 – December 18, 2023
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2023 – June 30, 2023
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Benzene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Toluene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Styrene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2022 – September 30, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 25, 2006 – September 19, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2005 – October 31, 2005
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
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 2, 2025 – July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2023 – December 18, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Benzene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Toluene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Styrene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
August 25, 2006 – September 19, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2005 – October 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1993 – July 31, 1993	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1993 – July 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1993 – January 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1992 – November 30, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
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

August 22, 2025State Violation/Reminder Notice1 linked violation
August 22, 2025State Violation/Reminder Notice1 linked violation
August 22, 2025State Public Notification requested1 linked violation
August 22, 2025State Public Notification requested1 linked violation
August 15, 2025State Compliance achieved1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 2, 2025State Compliance achieved1 linked violation
June 6, 2025State Compliance achieved2 linked violations
May 23, 2025State Public Notification received1 linked violation
October 11, 2024State Public Notification requested1 linked violation
October 11, 2024State Violation/Reminder Notice1 linked violation
June 27, 2024State Public Notification received1 linked violation
December 18, 2023State Compliance achieved1 linked violation
December 6, 2023State Violation/Reminder Notice1 linked violation
August 16, 2023State Compliance achieved1 linked violation
July 11, 2023State Violation/Reminder Notice1 linked violation
July 11, 2023State Public Notification requested1 linked violation
November 10, 2022State Public Notification received20 linked violations
October 27, 2022State Compliance achieved20 linked violations
October 12, 2022State Public Notification requested20 linked violations
October 12, 2022State Violation/Reminder Notice20 linked violations
September 19, 2006State Compliance achieved1 linked violation
August 25, 2006State Violation/Reminder Notice1 linked violation
May 1, 2006State Compliance achieved1 linked violation
December 1, 2005State Public Notification received1 linked violation
November 29, 2005State Public Notification requested1 linked violation
November 29, 2005State Violation/Reminder Notice1 linked violation
September 11, 1993State Violation/Reminder Notice2 linked violations
September 11, 1993State Public Notification requested2 linked violations
September 1, 1993State Public Notification received2 linked violations
May 6, 1993State Public Notification requested1 linked violation
May 6, 1993State Violation/Reminder Notice1 linked violation
March 14, 1993State Public Notification requested1 linked violation
March 14, 1993State Violation/Reminder Notice1 linked violation
January 9, 1993State Violation/Reminder Notice3 linked violations
January 9, 1993State Public Notification requested3 linked violations
December 2, 1992State Public Notification received4 linked violations

Contact

PASSAGE, DENISE

309-274-5056

CHILLICOTHE, IL 61523