WARSAW, IL · Hancock County

WARSAW 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): IL0670650
System type: Community Water System
Population served: 1,480
Service connections: 808
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
July 1, 2025 – September 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2025 – September 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2023 – December 28, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chloramine
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2005 – June 30, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1994 – November 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1994 – October 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Archived
Monitoring, Regular
—
Selenium
June 25, 1979 – June 24, 1980
Archived
Monitoring, Regular
—
Nitrate
June 25, 1979 – June 24, 1980
Archived
Monitoring, Regular
—
Chromium
June 25, 1979 – June 24, 1980
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 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2023 – December 28, 2023	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Chloramine	—	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 1, 1994 – December 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1994 – November 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1994 – October 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1994 – January 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1993 – July 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 25, 1979 – June 24, 1980	Monitoring, Regular	Selenium	—	Archived
June 25, 1979 – June 24, 1980	Monitoring, Regular	Nitrate	—	Archived
June 25, 1979 – June 24, 1980	Monitoring, Regular	Chromium	—	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

December 16, 2025State Compliance achieved2 linked violations
October 14, 2025State Public Notification requested1 linked violation
October 14, 2025State Violation/Reminder Notice1 linked violation
October 14, 2025State Public Notification requested1 linked violation
October 14, 2025State Violation/Reminder Notice1 linked violation
June 18, 2024State Public Notification received1 linked violation
December 28, 2023State Compliance achieved1 linked violation
December 12, 2023State Violation/Reminder Notice1 linked violation
December 12, 2023State Public Notification requested1 linked violation
March 16, 2012State Compliance achieved2 linked violations
March 14, 2012State Violation/Reminder Notice1 linked violation
June 12, 2009State Compliance achieved2 linked violations
May 11, 2009State Public Notification received3 linked violations
April 13, 2009State Public Notification requested2 linked violations
September 12, 2006State Violation/Reminder Notice1 linked violation
June 28, 2006State Compliance achieved1 linked violation
June 7, 2006State Compliance achieved1 linked violation
May 12, 2006State Public Notification received1 linked violation
April 25, 2006State Public Notification requested1 linked violation
April 25, 2006State Violation/Reminder Notice1 linked violation
January 24, 2006State Public Notification received1 linked violation
December 31, 2005State Compliance achieved2 linked violations
November 2, 2005State Violation/Reminder Notice1 linked violation
November 2, 2005State Public Notification requested1 linked violation
October 13, 2005State Violation/Reminder Notice1 linked violation
October 11, 2005State Compliance achieved2 linked violations
October 11, 2005State Compliance achieved1 linked violation
October 11, 2005State Public Notification received3 linked violations
October 5, 2005State Bilateral Compliance Agreement signed3 linked violations
September 14, 2005State Violation/Reminder Notice1 linked violation
September 14, 2005State Violation/Reminder Notice1 linked violation
August 15, 2005State Violation/Reminder Notice1 linked violation
August 9, 2005State Formal Notice of Violation issued3 linked violations
August 8, 2005State Public Notification requested1 linked violation
August 8, 2005State Violation/Reminder Notice1 linked violation
October 7, 2004State Public Notification requested1 linked violation
October 7, 2004State Violation/Reminder Notice1 linked violation
August 23, 2004State Compliance achieved1 linked violation
August 3, 2004State Public Notification requested1 linked violation
August 3, 2004State Violation/Reminder Notice1 linked violation
June 30, 2004State Compliance achieved1 linked violation
January 20, 1995State Violation/Reminder Notice1 linked violation
January 20, 1995State Public Notification requested1 linked violation
January 10, 1995State Public Notification received1 linked violation
December 15, 1994State Public Notification requested2 linked violations
December 15, 1994State Violation/Reminder Notice2 linked violations
December 10, 1994State Public Notification received1 linked violation
April 5, 1994State Violation/Reminder Notice1 linked violation
April 5, 1994State Public Notification requested1 linked violation
April 5, 1994State Public Notification requested1 linked violation
March 14, 1994State Violation/Reminder Notice1 linked violation
March 14, 1994State Public Notification requested1 linked violation
March 10, 1994State Public Notification received1 linked violation
February 10, 1994State Public Notification received1 linked violation
January 31, 1994State Violation/Reminder Notice1 linked violation
January 31, 1994State Public Notification requested1 linked violation
November 15, 1993State Public Notification requested1 linked violation
November 15, 1993State Public Notification requested1 linked violation
November 15, 1993State Violation/Reminder Notice1 linked violation
November 10, 1993State Public Notification received1 linked violation
October 9, 1993State Public Notification received1 linked violation
October 9, 1993State Public Notification received1 linked violation
August 10, 1993State Public Notification received1 linked violation

Contact

HUSTON, GARY

217-256-4512

WARSAW, IL 62379