NORTHBROOK, IL · Lake County
WHISPERING LAKES WATER SYSTEM, INC. Water System
Consumer Confidence Report status
WHISPERING LAKES WATER SYSTEM, INC. 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 no open violations for WHISPERING LAKES WATER SYSTEM, INC..
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)
- IL0970220
- System type
- Community Water System
- Population served
- 375
- Service connections
- 125
- Ownership
- privately owned
- Water source
- groundwater (wells)
WHISPERING LAKES WATER SYSTEM, INC. is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 375 people from groundwater.
As of August 1, 2026, its federal record holds 7 entries between 1998 and 2024, all of which EPA lists as closed.
Of the 7, 4 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 Radionuclides and Revised Rad Rule, the Total Coliform Rules, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
September 1, 2010 – September 30, 2010
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2009 – March 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2002 – December 31, 2002
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
January 1, 2000 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 1998 – March 31, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| September 1, 2010 – September 30, 2010 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2002 – December 31, 2002 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 2000 – September 30, 2002 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Resolved |
| April 1, 1998 – March 31, 2002 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 7, 2025State Public Notification received2 linked violations
- April 30, 2025State Compliance achieved1 linked violation
- April 30, 2025State Compliance achieved1 linked violation
- January 13, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- January 13, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 13, 2025State Public Notification requested1 linked violation
- January 13, 2025State Violation/Reminder Notice1 linked violation
- April 6, 2011State Public Notification received2 linked violations
- October 19, 2010State Violation/Reminder Notice1 linked violation
- October 19, 2010State Compliance achieved1 linked violation
- October 19, 2010State Public Notification requested2 linked violations
- October 19, 2010State Violation/Reminder Notice1 linked violation
- October 19, 2010State Public Notification requested1 linked violation
- June 18, 2009State Compliance achieved1 linked violation
- May 18, 2009State Public Notification received1 linked violation
- April 15, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 15, 2009State Public Notification requested1 linked violation
- April 15, 2009State Violation/Reminder Notice7 linked violations
- April 15, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 25, 2003State Public Notification received1 linked violation
- July 10, 2003State Public Notification requested1 linked violation
- July 10, 2003State Violation/Reminder Notice1 linked violation
- April 22, 2003State Compliance achieved5 linked violations
- April 10, 2003State Violation/Reminder Notice1 linked violation
- April 10, 2003State Public Notification requested1 linked violation
- January 10, 2003State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- January 10, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 10, 2003State Public Notification requested1 linked violation
- January 10, 2003State Violation/Reminder Notice1 linked violation
- October 9, 2002State Compliance achieved1 linked violation
Common questions
Is WHISPERING LAKES WATER SYSTEM, INC. required to publish a Consumer Confidence Report?
- Yes. WHISPERING LAKES WATER SYSTEM, INC. 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 WHISPERING LAKES WATER SYSTEM, INC.’s next Consumer Confidence Report due?
- WHISPERING LAKES WATER SYSTEM, INC.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WHISPERING LAKES WATER SYSTEM, INC. have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WHISPERING LAKES WATER SYSTEM, INC..
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
HOGAN, SEAN
847-498-6000
NORTHBROOK, IL 60062-1604