Public Water Partners

NEW WINDSOR, IL · Mercer County

NEW WINDSOR Water System

Consumer Confidence Report status

NEW WINDSOR 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 open health-based violation for NEW WINDSOR, alongside 5 other open items.

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

NEW WINDSOR is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 740 people from groundwater.

As of August 1, 2026, its federal record holds 30 entries between 1977 and 2025, of which 1 health-based item remains open, alongside 5 other open entries.

Of the 30, 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 Public Notice Rule and Revised PN Rule, and the Lead and Copper Rule.

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 Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • LSL Reporting

    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, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2017 – July 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2017 – August 25, 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
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved
  • Monitoring, Repeat Major (TCR)

    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
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2004 – September 30, 2005

    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)

Enforcement actions

Common questions

Is NEW WINDSOR required to publish a Consumer Confidence Report?

Yes. NEW WINDSOR 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 NEW WINDSOR’s next Consumer Confidence Report due?

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

Does NEW WINDSOR have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 open health-based violation for NEW WINDSOR, alongside 5 other open items.

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

STARCEVICH, JAMES

309-667-2377

NEW WINDSOR, IL 61465