Public Water Partners

UNION, IL · McHenry County

UNION Water System

Consumer Confidence Report status

UNION 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 UNION 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)
IL1110900
System type
Community Water System
Population served
594
Service connections
276
Ownership
local government
Water source
groundwater (wells)

UNION is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 594 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 1977 and 2025, of which 1 remains open; none are health-based.

Of the 13, 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 Radionuclides and Revised Rad Rule, the Public Notice Rule and Revised PN Rule, and the Lead and Copper Rule.

Violation history

  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – September 2, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 21, 2010 – January 25, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2009 – June 30, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 23, 2007 – May 17, 2007

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    March 23, 2007 – May 17, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2005 – December 31, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – July 8, 2005

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2003 – March 31, 2003

    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

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

Common questions

Is UNION required to publish a Consumer Confidence Report?

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

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

Does UNION have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for UNION 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

WAGNER, ROBERT

815-923-4153

UNION, IL 60180