PATTERSON, IL · Greene County

PATTERSON (INC AS WILMINGTON) 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): IL0610450
System type: Community Water System
Population served: 320
Service connections: 88
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
October 15, 2022 – May 31, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2021 – February 28, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – July 28, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 8, 2006 – December 8, 2006
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
September 8, 2006 – December 8, 2006
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2006 – January 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1998 – February 28, 1998
Archived
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
August 1, 1996 – February 21, 1997
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 26, 1996 – February 21, 1997
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – December 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
October 15, 2022 – May 31, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2021 – February 28, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2008 – July 28, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 8, 2006 – December 8, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 8, 2006 – December 8, 2006	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
July 1, 2006 – December 31, 2006	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2006 – January 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2004 – December 31, 2004	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
February 1, 1998 – February 28, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1996 – February 21, 1997	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 26, 1996 – February 21, 1997	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
July 1, 1994 – December 31, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

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

Enforcement actions

May 31, 2023State Compliance achieved45 linked violations
June 23, 2006State Public Notification received2 linked violations
February 27, 2006State Public Notification requested2 linked violations
February 27, 2006State Violation/Reminder Notice2 linked violations
September 7, 2005State Violation/Reminder Notice2 linked violations
July 10, 2005State Compliance achieved1 linked violation
March 21, 2005State Public Notification received1 linked violation
January 26, 2005State Public Notification requested1 linked violation
April 16, 1998State Public Notification requested1 linked violation
April 16, 1998State Violation/Reminder Notice1 linked violation
February 21, 1997State Compliance achieved2 linked violations
December 31, 1994State Compliance achieved1 linked violation
September 2, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

FORD, CHRIS

217-320-8694

PATTERSON, IL 62078