Public Water Partners

ARLINGTON HEIGHTS, IL · Cook County

ARLINGTON HEIGHTS Water System

Consumer Confidence Report status

ARLINGTON HEIGHTS 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 3 items for ARLINGTON HEIGHTS that are 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)
IL0314030
System type
Community Water System
Population served
73,320
Service connections
20,539
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

ARLINGTON HEIGHTS is among the 19 largest community water systems in Illinois, serving 73,320 people from surface water.

As of August 1, 2026, its federal record holds 27 entries between 1977 and 2026, of which 3 remain open; none are health-based.

Of the 27, 23 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 volatile organic chemicals, the Public Notice Rule and Revised PN Rule, and the Consumer Confidence Rule.

Violation history

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    January 14, 2026

    Unaddressed

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    January 14, 2026

    Unaddressed

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2024 – December 31, 2024

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2021 – November 9, 2021

    Resolved

  • Monitoring, Repeat Minor (TCR)

    —

    Coliform (TCR)

    May 1, 1996 – May 31, 1996

    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 ARLINGTON HEIGHTS required to publish a Consumer Confidence Report?

Yes. ARLINGTON HEIGHTS 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 ARLINGTON HEIGHTS’s next Consumer Confidence Report due?

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

Does ARLINGTON HEIGHTS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 3 items for ARLINGTON HEIGHTS that are 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

SCHWEDA, SCOTT

847-368-5806

ARLINGTON HEIGHTS, IL 60005