SHERRARD, IL · Mercer County

UNITY WATER CORPORATION 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): IL1315300
System type: Community Water System
Population served: 93
Service connections: 37
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2020 – December 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2017 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2017 – September 30, 2020
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2013 – September 30, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2008 – October 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1999 – March 31, 1999
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1997 – October 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Nitrate
July 1, 1997 – September 30, 1997
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 1994 – December 31, 1995
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2023 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2017 – September 30, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2017 – September 30, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 1, 2013 – August 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – September 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2008 – November 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2008 – November 30, 2008	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2008 – October 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1999 – March 31, 1999	Monitoring, Regular	Fluoride	—	Resolved
August 1, 1998 – August 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1997 – October 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1997 – September 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1994 – December 31, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

September 22, 2021State Compliance achieved2 linked violations
March 8, 2021State Public Notification received1 linked violation
February 2, 2021State Compliance achieved1 linked violation
January 14, 2021State Public Notification requested1 linked violation
January 14, 2021State Violation/Reminder Notice1 linked violation
November 12, 2020State Public Notification received2 linked violations
October 14, 2020State Public Notification requested2 linked violations
October 14, 2020State Violation/Reminder Notice2 linked violations
May 12, 2014State Public Notification received1 linked violation
May 12, 2014State Public Notification received1 linked violation
October 11, 2013State Compliance achieved2 linked violations
September 18, 2013State Public Notification requested1 linked violation
September 18, 2013State Public Notification requested1 linked violation
September 18, 2013State Violation/Reminder Notice1 linked violation
September 18, 2013State Violation/Reminder Notice1 linked violation
November 9, 2010State Public Notification received1 linked violation
May 1, 2010State Compliance achieved2 linked violations
November 17, 2009State Public Notification requested1 linked violation
November 17, 2009State Violation/Reminder Notice1 linked violation
October 15, 2009State Public Notification requested1 linked violation
October 15, 2009State Violation/Reminder Notice1 linked violation
October 14, 2009State Public Notification received1 linked violation
June 1, 2009State Compliance achieved4 linked violations
March 11, 2009State Bilateral Compliance Agreement signed4 linked violations
January 8, 2009State Formal Notice of Violation issued4 linked violations
December 26, 2008State Public Notification received2 linked violations
December 16, 2008State Public Notification requested1 linked violation
December 16, 2008State Violation/Reminder Notice1 linked violation
December 16, 2008State Public Notification requested1 linked violation
December 16, 2008State Violation/Reminder Notice1 linked violation
December 3, 2008State Public Notification received1 linked violation
November 20, 2008State Public Notification requested1 linked violation
November 20, 2008State Violation/Reminder Notice1 linked violation
October 24, 2008State Public Notification requested1 linked violation
October 24, 2008State Violation/Reminder Notice1 linked violation
October 20, 2008State Public Notification received1 linked violation
August 13, 1999State Compliance achieved1 linked violation
May 11, 1999State Violation/Reminder Notice1 linked violation
October 15, 1998State Public Notification requested1 linked violation
October 15, 1998State Violation/Reminder Notice1 linked violation
January 26, 1998State Public Notification received1 linked violation
January 5, 1998State Public Notification received1 linked violation
December 20, 1997State Public Notification requested1 linked violation
December 20, 1997State Violation/Reminder Notice1 linked violation
November 24, 1997State Compliance achieved1 linked violation
November 15, 1997State Public Notification requested1 linked violation
November 15, 1997State Violation/Reminder Notice1 linked violation
October 27, 1997State Public Notification requested1 linked violation
October 27, 1997State Violation/Reminder Notice1 linked violation

Contact

UHEN, KYLE

309-948-4479

SHERRARD, IL 61281