CHENOA, IL · McLean County

CHENOA 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): IL1130300
System type: Community Water System
Population served: 1,785
Service connections: 850
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2025 – September 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2025 – September 30, 2025
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – March 31, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2024 – June 26, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2023 – December 31, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
April 2, 2023 – February 14, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2023 – June 30, 2023
Resolved
Public Education
Health-based
Lead and Copper Rule
March 1, 2023 – December 20, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2023 – March 31, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2022 – December 31, 2022
Resolved
Lead Service Line Replacement (LSLR)
Health-based
Lead and Copper Rule
October 1, 2019 – October 31, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2016 – January 15, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2013 – September 30, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 18, 2009 – August 5, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
May 1, 1991 – April 22, 1993
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
May 1, 1987 – April 30, 1991
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
May 1, 1985 – November 14, 1985
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
May 1, 1982 – April 30, 1985
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
May 22, 1979 – May 21, 1983
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2024 – June 26, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 2, 2023 – February 14, 2024	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
March 1, 2023 – December 20, 2024	Public Education	Lead and Copper Rule	Health-based	Resolved
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2019 – October 31, 2019	Lead Service Line Replacement (LSLR)	Lead and Copper Rule	Health-based	Resolved
January 1, 2016 – January 15, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2013 – September 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 18, 2009 – August 5, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 1991 – April 22, 1993	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
May 1, 1987 – April 30, 1991	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
May 1, 1985 – November 14, 1985	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Resolved
May 1, 1982 – April 30, 1985	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived
May 22, 1979 – May 21, 1983	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 stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 26, 2025State Compliance achieved2 linked violations
October 14, 2025State Public Notification requested2 linked violations
October 14, 2025State Violation/Reminder Notice2 linked violations
July 28, 2025State Public Notification received2 linked violations
July 16, 2025State Violation/Reminder Notice1 linked violation
June 30, 2025State Compliance achieved2 linked violations
April 13, 2025State Violation/Reminder Notice2 linked violations
April 13, 2025State Public Notification requested2 linked violations
December 20, 2024State Compliance achieved2 linked violations
June 26, 2024State Compliance achieved1 linked violation
March 29, 2024State Public Notification received1 linked violation
March 26, 2024State Compliance achieved5 linked violations
February 14, 2024State Compliance achieved1 linked violation
January 16, 2024State Public Notification requested3 linked violations
January 16, 2024State Violation/Reminder Notice1 linked violation
January 2, 2024State Public Notification requested1 linked violation
January 2, 2024State Violation/Reminder Notice2 linked violations
October 2, 2023State Public Notification requested2 linked violations
October 2, 2023State Public Notification received2 linked violations
June 24, 2023State Public Notification requested2 linked violations
May 17, 2023State Administrative/Compliance Order without penalty issued2 linked violations
May 17, 2023State Bilateral Compliance Agreement signed6 linked violations
May 17, 2023State Public Notification received2 linked violations
May 17, 2023State Administrative/Compliance Order without penalty issued1 linked violation
May 17, 2023State Administrative/Compliance Order without penalty issued1 linked violation
May 17, 2023State Administrative/Compliance Order without penalty issued2 linked violations
May 17, 2023State Administrative/Compliance Order without penalty issued2 linked violations
April 17, 2023State Violation/Reminder Notice1 linked violation
April 17, 2023State Public Notification requested2 linked violations
April 17, 2023State Public Notification requested2 linked violations
March 31, 2023State Public Notification requested1 linked violation
February 15, 2023State Formal Notice of Violation issued6 linked violations
January 3, 2023State Public Notification requested2 linked violations
October 26, 2020State Compliance achieved2 linked violations
October 31, 2019State Compliance achieved2 linked violations
October 7, 2019State Violation/Reminder Notice1 linked violation
January 15, 2016State Compliance achieved2 linked violations
August 12, 2009State Violation/Reminder Notice2 linked violations
July 29, 2008State Compliance achieved2 linked violations
July 17, 2008State Public Notification requested2 linked violations
July 16, 2008State Violation/Reminder Notice2 linked violations
July 12, 2006State Compliance achieved2 linked violations
July 11, 2006State Violation/Reminder Notice1 linked violation
April 22, 1993State Compliance achieved4 linked violations
January 15, 1993State Public Notification received1 linked violation
June 26, 1992State Public Notification received1 linked violation
April 6, 1992State Public Notification received1 linked violation
December 31, 1991State Public Notification received1 linked violation
September 30, 1991State Public Notification received1 linked violation
May 24, 1991State Public Notification received1 linked violation
March 18, 1991State Public Notification received1 linked violation
January 24, 1991State Public Notification received1 linked violation
October 16, 1990State Public Notification requested2 linked violations
April 17, 1990State Public Notification requested2 linked violations
March 15, 1990State Public Notification received1 linked violation
January 11, 1990State Administrative/Compliance Order without penalty issued1 linked violation
May 17, 1989State Public Notification received2 linked violations
November 14, 1985State Compliance achieved1 linked violation

Contact

SHANE, DAVID

309-825-2396

CHENOA, IL 61726