NEW WINDSOR, IL · Mercer County

NEW WINDSOR Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 5 other open item(s). See the violation history below for contaminant and status details.

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): IL1310500
System type: Community Water System
Population served: 740
Service connections: 345
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2025
Unaddressed
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2024
Unaddressed
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – February 29, 2024
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – January 29, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 5, 2019 – January 23, 2019
Resolved
Treatment Technique, Level 2 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
December 4, 2018 – December 14, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 13, 2018 – November 28, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2018 – November 29, 2018
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2017 – August 25, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2017 – July 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 20, 2016 – November 30, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 20, 2016 – November 30, 2016
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2015 – September 30, 2015
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2015 – September 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – February 28, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 1998 – July 31, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1998 – July 31, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Unaddressed no corrective action on record yetResolved 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
August 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
October 11, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2023 – February 29, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 30, 2020 – January 29, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 5, 2019 – January 23, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 4, 2018 – December 14, 2018	Treatment Technique, Level 2 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
October 13, 2018 – November 28, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2018 – November 29, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2018 – October 31, 2018	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2017 – August 25, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 20, 2016 – November 30, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 20, 2016 – November 30, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2015 – August 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2008 – February 28, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 1998 – August 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1998 – July 31, 1998	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1998 – July 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1994 – August 31, 1994	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

September 24, 2025State Violation/Reminder Notice1 linked violation
August 22, 2025State Violation/Reminder Notice1 linked violation
July 22, 2025State Violation/Reminder Notice1 linked violation
July 22, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 2, 2025State Public Notification requested1 linked violation
July 2, 2025State Violation/Reminder Notice1 linked violation
November 19, 2024State Violation/Reminder Notice1 linked violation
February 29, 2024State Compliance achieved1 linked violation
October 11, 2023State Public Notification requested1 linked violation
October 11, 2023State Violation/Reminder Notice1 linked violation
January 29, 2021State Compliance achieved1 linked violation
January 6, 2021State Violation/Reminder Notice1 linked violation
February 14, 2019State Bilateral Compliance Agreement signed1 linked violation
February 14, 2019State Violation/Reminder Notice1 linked violation
February 4, 2019State Public Notification received1 linked violation
January 23, 2019State Compliance achieved1 linked violation
December 14, 2018State Public Notification received1 linked violation
December 14, 2018State Compliance achieved1 linked violation
December 5, 2018State Violation/Reminder Notice1 linked violation
December 5, 2018State Public Notification requested1 linked violation
December 5, 2018State Violation/Reminder Notice1 linked violation
November 29, 2018State Compliance achieved2 linked violations
November 28, 2018State Compliance achieved1 linked violation
November 28, 2018State Public Notification received1 linked violation
November 20, 2018State Formal Notice of Violation issued1 linked violation
November 14, 2018State Public Notification requested1 linked violation
November 14, 2018State Violation/Reminder Notice1 linked violation
October 11, 2018State Public Notification requested1 linked violation
October 11, 2018State Violation/Reminder Notice1 linked violation
September 19, 2017State Public Notification received1 linked violation
September 19, 2017State Public Notification received1 linked violation
August 25, 2017State Compliance achieved2 linked violations
August 14, 2017State Violation/Reminder Notice1 linked violation
August 14, 2017State Violation/Reminder Notice1 linked violation
August 14, 2017State Public Notification requested1 linked violation
August 14, 2017State Public Notification requested1 linked violation
December 16, 2016State Public Notification received1 linked violation
December 16, 2016State Public Notification received1 linked violation
November 30, 2016State Compliance achieved1 linked violation
November 30, 2016State Compliance achieved1 linked violation
November 10, 2016State Violation/Reminder Notice1 linked violation
November 10, 2016State Violation/Reminder Notice1 linked violation
November 4, 2015State Compliance achieved4 linked violations
October 20, 2015State Violation/Reminder Notice1 linked violation
October 20, 2015State Violation/Reminder Notice1 linked violation
October 20, 2015State Public Notification requested1 linked violation
October 20, 2015State Public Notification requested1 linked violation
October 9, 2015State Public Notification received1 linked violation
October 9, 2015State Public Notification received1 linked violation
September 14, 2015State Violation/Reminder Notice1 linked violation
September 14, 2015State Public Notification requested1 linked violation
September 14, 2015State Violation/Reminder Notice1 linked violation
September 14, 2015State Public Notification requested1 linked violation
February 28, 2008State Compliance achieved1 linked violation
February 13, 2008State Violation/Reminder Notice1 linked violation
June 3, 2005State Public Notification received1 linked violation
February 7, 2005State Public Notification requested1 linked violation
February 7, 2005State Violation/Reminder Notice1 linked violation
October 15, 1998State Public Notification requested1 linked violation
October 15, 1998State Violation/Reminder Notice1 linked violation
September 15, 1998State Public Notification requested2 linked violations
September 15, 1998State Violation/Reminder Notice2 linked violations
June 27, 1998State Violation/Reminder Notice1 linked violation
June 27, 1998State Public Notification requested1 linked violation
November 2, 1996State Public Notification requested1 linked violation
November 2, 1996State Violation/Reminder Notice1 linked violation
October 29, 1994State Public Notification requested2 linked violations
October 29, 1994State Violation/Reminder Notice2 linked violations
September 21, 1994State Public Notification received1 linked violation
September 21, 1994State Public Notification received2 linked violations
September 21, 1994State Public Notification received1 linked violation
September 3, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 3, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 14, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 14, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 15, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 15, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

STARCEVICH, JAMES

309-667-2377

NEW WINDSOR, IL 61465