Public Water Partners

FREEPORT, IL · Stephenson County

WINSLOW Water System

Consumer Confidence Report status

WINSLOW 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 WINSLOW, alongside 6 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)
IL1770550
System type
Community Water System
Population served
350
Service connections
160
Ownership
local government
Water source
groundwater (wells)

WINSLOW is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 350 people from groundwater.

As of August 1, 2026, its federal record holds 27 entries between 1977 and 2026, of which 1 health-based item remains open, alongside 6 other open entries.

Of the 27, 14 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 Total Coliform Rules, and the Consumer Confidence Rule.

Violation history

  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2026

    Unaddressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    July 1, 2025

    Unaddressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 16, 2025

    Unaddressed
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2025

    Unaddressed
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – July 8, 2025

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2024 – July 9, 2024

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2023

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2022 – August 3, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2021 – June 30, 2021

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 2, 2020 – December 21, 2020

    Resolved
  • OCCT/SOWT Treatment Installation/Demonstration

    Health-based

    Lead and Copper Rule

    May 2, 2020 – April 23, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2018 – December 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2009 – May 31, 2009

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    May 1, 2009 – May 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2007 – August 31, 2007

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2006 – October 31, 2006

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    February 8, 2006 – April 3, 2006

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 8, 2006 – April 3, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2001 – October 31, 2001

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1995 – 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 WINSLOW required to publish a Consumer Confidence Report?

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

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

Does WINSLOW have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 open health-based violation for WINSLOW, alongside 6 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

GLENDENNING, THOMAS

815-235-7643

FREEPORT, IL 61032