Public Water Partners

WILSONVILLE, IL · Macoupin County

WILSONVILLE Water System

Consumer Confidence Report status

WILSONVILLE 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 1 item for WILSONVILLE that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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)
IL1171200
System type
Community Water System
Population served
536
Service connections
260
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

WILSONVILLE is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 536 people from surface water.

As of August 1, 2026, its federal record holds 23 entries between 1992 and 2026, of which 1 remains open; none are health-based.

Of the 23, 17 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 Total Coliform Rules, the Lead and Copper Rule, and synthetic organic chemicals.

Violation history

  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2026 – January 31, 2026

    Archived

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    October 1, 2024 – December 31, 2024

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    July 1, 2024 – September 30, 2024

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    July 1, 2024 – September 30, 2024

    Resolved

  • Lead Consumer Notice

    —

    Lead and Copper Rule

    December 30, 2020 – March 10, 2021

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    October 1, 2019 – September 25, 2020

    Resolved

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    December 1, 2015 – December 31, 2015

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chloramine

    October 1, 2015 – December 31, 2015

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2005 – March 31, 2005

    Resolved

  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    July 1, 1997 – September 24, 1997

    Resolved

  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    April 1, 1997 – June 30, 1997

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    Archived

  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    October 1, 1996 – December 31, 1996

    Resolved

  • Maximum Contaminant Level Violation, Average

    Health-based

    Atrazine

    April 1, 1996 – June 30, 1996

    Resolved

  • Initial Tap Sampling for Pb and Cu

    —

    Lead and Copper Rule

    July 1, 1994 – December 31, 1994

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    June 1, 1994 – June 30, 1994

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    April 1, 1994 – April 30, 1994

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    July 1, 1993 – July 31, 1993

    Archived

  • Initial Tap Sampling for Pb and Cu

    —

    Lead and Copper Rule

    April 1, 1993 – December 31, 1994

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    March 1, 1993 – March 31, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Archived

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

Enforcement actions

Common questions

Is WILSONVILLE required to publish a Consumer Confidence Report?

Yes. WILSONVILLE 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 WILSONVILLE’s next Consumer Confidence Report due?

WILSONVILLE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WILSONVILLE have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for WILSONVILLE that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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

RIFE, ROLAND

217-835-4413

WILSONVILLE, IL 62093