ROUND LAKE, IL · Lake County
ROUND LAKE Water System
Consumer Confidence Report status
ROUND LAKE 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 ROUND LAKE 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)
- IL0971500
- System type
- Community Water System
- Population served
- 18,430
- Service connections
- 5,014
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
ROUND LAKE is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, serving 18,430 people from surface water.
As of August 1, 2026, its federal record holds 8 entries between 1977 and 2026, of which 1 remains open; none are health-based.
Of the 8, 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 Lead and Copper Rule, and the Consumer Confidence Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2026
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
December 3, 2023 – December 14, 2023
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2023 – February 28, 2024
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2006 – December 31, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
March 27, 1992 – June 30, 1992
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
September 1, 1985 – October 15, 1987
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
September 24, 1981 – September 23, 1985
ArchivedMonitoring, 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)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| December 3, 2023 – December 14, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2023 – February 28, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| December 1, 2006 – December 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| March 27, 1992 – June 30, 1992 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| September 1, 1985 – October 15, 1987 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Resolved |
| September 24, 1981 – September 23, 1985 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Archived |
| June 30, 1977 – June 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | 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
- January 27, 2026State Public Notification requested1 linked violation
- December 28, 2023State Public Notification received1 linked violation
- December 14, 2023State Compliance achieved2 linked violations
- December 3, 2023State Violation/Reminder Notice1 linked violation
- October 11, 2023State Violation/Reminder Notice1 linked violation
- October 11, 2023State Public Notification requested2 linked violations
- July 1, 2007State Compliance achieved2 linked violations
- January 11, 2007State Violation/Reminder Notice1 linked violation
- June 30, 1992State Compliance achieved1 linked violation
- June 4, 1992State Public Notification received1 linked violation
- April 20, 1992State Public Notification received1 linked violation
Common questions
Is ROUND LAKE required to publish a Consumer Confidence Report?
- Yes. ROUND LAKE 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 ROUND LAKE’s next Consumer Confidence Report due?
- ROUND LAKE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROUND LAKE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for ROUND LAKE 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
SCHROFF, BRANDY
847-546-5400
ROUND LAKE, IL 60073