Public Water Partners

VERNON HILLS, IL · Lake County

TANNERON BAY HOMEOWNERS ASSOCIATION Water System

Consumer Confidence Report status

TANNERON BAY HOMEOWNERS ASSOCIATION 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 TANNERON BAY HOMEOWNERS ASSOCIATION 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)
IL0971130
System type
Community Water System
Population served
256
Service connections
86
Ownership
privately owned
Water source
groundwater (wells)

TANNERON BAY HOMEOWNERS ASSOCIATION is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 256 people from groundwater.

As of August 1, 2026, its federal record holds 22 entries between 1998 and 2025, of which 1 remains open; none are health-based.

Of the 22, 20 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 Consumer Confidence Rule, and the Total Coliform Rules.

Violation history

  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023 – July 31, 2023

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2001 – April 30, 2001

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2001 – February 28, 2001

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 1998 – June 30, 1998

    Resolved

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 TANNERON BAY HOMEOWNERS ASSOCIATION required to publish a Consumer Confidence Report?

Yes. TANNERON BAY HOMEOWNERS ASSOCIATION 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 TANNERON BAY HOMEOWNERS ASSOCIATION’s next Consumer Confidence Report due?

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

Does TANNERON BAY HOMEOWNERS ASSOCIATION have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for TANNERON BAY HOMEOWNERS ASSOCIATION 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

ULLRICH, ROBERT

847-478-9700

VERNON HILLS, IL 60061