Public Water Partners

FRANKLIN PARK, IL · Cook County

LEYDEN TWSP WATER DISTRICT Water System

Consumer Confidence Report status

LEYDEN TWSP WATER DISTRICT 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 LEYDEN TWSP WATER DISTRICT 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)
IL0315880
System type
Community Water System
Population served
10,000
Service connections
2,973
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

LEYDEN TWSP WATER DISTRICT is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 10,000 people from surface water.

As of August 1, 2026, its federal record holds 16 entries between 2001 and 2025, of which 1 remains open; none are health-based.

Of the 16, 6 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 Consumer Confidence Rule, the Lead and Copper Rule, and the Total Coliform Rules.

Violation history

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    July 1, 2025

    Unaddressed

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2021 – August 31, 2021

    Resolved

  • Lead Consumer Notice

    —

    Lead and Copper Rule

    December 30, 2020 – March 31, 2021

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2020 – September 22, 2020

    Resolved

  • Lead Consumer Notice

    —

    Lead and Copper Rule

    December 30, 2017 – February 2, 2018

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2016 – September 28, 2016

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2012 – September 28, 2012

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2010 – July 9, 2010

    Resolved

  • Water Quality Parameter M/R

    —

    Lead and Copper Rule

    January 1, 2008 – June 30, 2008

    Resolved

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    July 19, 2007 – September 20, 2007

    Resolved

  • Public Notification Violation without NPDWR Violation

    —

    Public Notice

    July 19, 2007 – September 20, 2007

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2007 – May 31, 2007

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    July 1, 2005 – September 30, 2005

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    July 1, 2005 – September 30, 2005

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2003 – January 31, 2003

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    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 LEYDEN TWSP WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. LEYDEN TWSP WATER DISTRICT 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 LEYDEN TWSP WATER DISTRICT’s next Consumer Confidence Report due?

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

Does LEYDEN TWSP WATER DISTRICT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for LEYDEN TWSP WATER DISTRICT 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

LOSURDO, MIKE

847-455-8616

FRANKLIN PARK, IL 60131