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
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 31, 2023
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2001 – April 30, 2001
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2001 – February 28, 2001
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Benzene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Styrene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 1998 – June 30, 1998
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 1998 – June 30, 1998
ResolvedMonitoring, 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)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2023 – July 31, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2001 – April 30, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| February 1, 2001 – February 28, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 1998 – June 30, 1998 | Monitoring, Regular | p-Dichlorobenzene | — | 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
- August 1, 2025State Violation/Reminder Notice1 linked violation
- July 31, 2023State Compliance achieved1 linked violation
- July 24, 2023State Violation/Reminder Notice1 linked violation
- March 2, 2022State Compliance achieved1 linked violation
- February 10, 2022State Compliance achieved1 linked violation
- January 24, 2022State Public Notification received2 linked violations
- January 19, 2022State Public Notification requested1 linked violation
- January 19, 2022State Violation/Reminder Notice1 linked violation
- June 15, 2001State Violation/Reminder Notice1 linked violation
- April 15, 2001State Violation/Reminder Notice2 linked violations
- April 15, 2001State Public Notification requested1 linked violation
- April 8, 1999State Compliance achieved20 linked violations
- June 19, 1998State Public Notification requested20 linked violations
- June 19, 1998State Violation/Reminder Notice20 linked violations
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