MODESTO, IL · Macoupin County

NILWOOD 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): IL1170750
System type: Community Water System
Population served: 1,394
Service connections: 571
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
Chloramine
March 1, 2025 – March 31, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2025 – March 31, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 13, 2022 – March 28, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2021 – May 6, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chloramine
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2013 – March 31, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2012 – December 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chloramine
October 1, 2012 – December 31, 2012
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2012 – October 1, 2012
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2010 – July 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – July 21, 2003
Resolved
Public Education
Health-based
Lead and Copper Rule
January 1, 1999 – May 22, 2000
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
November 23, 1998 – February 14, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1995 – October 31, 1995
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

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
March 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
March 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 13, 2022 – March 28, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 30, 2021 – May 6, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
March 1, 2013 – March 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
July 1, 2012 – October 1, 2012	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2010 – July 31, 2010	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2003 – July 21, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1999 – May 22, 2000	Public Education	Lead and Copper Rule	Health-based	Resolved
November 23, 1998 – February 14, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
October 1, 1995 – October 31, 1995	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

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

Enforcement actions

July 1, 2025State Public Notification received1 linked violation
July 1, 2025State Public Notification received1 linked violation
May 2, 2025State Violation/Reminder Notice1 linked violation
May 2, 2025State Violation/Reminder Notice1 linked violation
May 2, 2025State Public Notification requested1 linked violation
May 2, 2025State Public Notification requested1 linked violation
April 21, 2025State Compliance achieved2 linked violations
May 6, 2022State Compliance achieved1 linked violation
March 28, 2022State Public Notification received1 linked violation
March 28, 2022State Public Notification received1 linked violation
March 28, 2022State Compliance achieved1 linked violation
March 28, 2022State Compliance achieved1 linked violation
February 24, 2022State Violation/Reminder Notice1 linked violation
February 24, 2022State Violation/Reminder Notice1 linked violation
January 19, 2022State Violation/Reminder Notice1 linked violation
September 29, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 3, 2021State Compliance achieved2 linked violations
January 12, 2021State Violation/Reminder Notice1 linked violation
January 12, 2021State Public Notification requested1 linked violation
January 12, 2021State Violation/Reminder Notice1 linked violation
January 12, 2021State Public Notification requested1 linked violation
June 24, 2013State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 21, 2013State Public Notification received1 linked violation
June 21, 2013State Public Notification received1 linked violation
June 21, 2013State Public Notification received1 linked violation
June 21, 2013State Public Notification received1 linked violation
April 26, 2013State Compliance achieved5 linked violations
April 17, 2013State Violation/Reminder Notice1 linked violation
April 17, 2013State Public Notification requested1 linked violation
April 17, 2013State Violation/Reminder Notice1 linked violation
April 17, 2013State Public Notification requested1 linked violation
March 14, 2013State Violation/Reminder Notice1 linked violation
March 14, 2013State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 14, 2013State Public Notification requested1 linked violation
January 11, 2013State Violation/Reminder Notice1 linked violation
January 11, 2013State Public Notification requested1 linked violation
January 11, 2013State Violation/Reminder Notice1 linked violation
January 11, 2013State Public Notification requested1 linked violation
October 1, 2012State Compliance achieved1 linked violation
September 6, 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 Intentional no-action1 linked violation
August 17, 2010State Public Notification requested1 linked violation
July 21, 2003State Compliance achieved1 linked violation
July 10, 2003State Violation/Reminder Notice1 linked violation
November 15, 2001State Public Notification requested8 linked violations
July 1, 1994State Public Notification requested2 linked violations
July 1, 1994State Violation/Reminder Notice1 linked violation
July 1, 1994State Public Notification requested1 linked violation
June 21, 1994State Compliance achieved1 linked violation
June 21, 1994State Compliance achieved3 linked violations
June 21, 1994State Compliance achieved1 linked violation
June 21, 1994State Compliance achieved1 linked violation
April 1, 1994State Violation/Reminder Notice1 linked violation
April 1, 1994State Public Notification requested1 linked violation
April 1, 1994State Violation/Reminder Notice1 linked violation
April 1, 1994State Public Notification requested1 linked violation
October 8, 1993State Violation/Reminder Notice1 linked violation
October 8, 1993State Public Notification requested1 linked violation
October 8, 1993State Public Notification requested1 linked violation
October 8, 1993State Violation/Reminder Notice1 linked violation

Contact

FAIRLESS, FRANK A

217-416-0581

MODESTO, IL 62667