Public Water Partners

PATTERSON, IL · Greene County

PATTERSON (INC AS WILMINGTON) Water System

Consumer Confidence Report status

PATTERSON (INC AS WILMINGTON) must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for PATTERSON (INC AS WILMINGTON).

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

PATTERSON (INC AS WILMINGTON) is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 320 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1994 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 10, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule, the Public Notice Rule and Revised PN Rule, and the Total Coliform Rules.

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

  • 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

  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    August 1, 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 state

Enforcement actions

Common questions

Is PATTERSON (INC AS WILMINGTON) required to publish a Consumer Confidence Report?

Yes. PATTERSON (INC AS WILMINGTON) is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is PATTERSON (INC AS WILMINGTON)’s next Consumer Confidence Report due?

PATTERSON (INC AS WILMINGTON)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does PATTERSON (INC AS WILMINGTON) have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for PATTERSON (INC AS WILMINGTON).

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

FORD, CHRIS

217-320-8694

PATTERSON, IL 62078