Public water system record

Cortland Corners MHP

Serves an area of DeKalb County, IL · 250 people served

Federal records show 1 health-based violation and 117 monitoring/reporting issues for Cortland Corners MHP in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • IL0375125
  • AURORA
  • IL
  • 250 served

System profile

Source water Groundwater
ZIP 60506
EPA system ID IL0375125

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
117

Key facts

  • Cortland Corners MHP draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Illinois, June 2022.
  • Record on file since 1986, with 16 health-based violations before October 19, 2016.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
Aug 22, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
Jul 2, 2025 Active
Nitrite
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Public Notice
OTHER
Apr 19, 2025 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Mar 26, 2025 Resolved
Chlorine
Monitoring and reporting
Mar 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2025 Resolved
Public Notice
OTHER
Feb 21, 2025 Resolved
Public Notice
OTHER
Feb 21, 2025 Resolved
Chlorine
Monitoring and reporting
Feb 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Resolved
Public Notice
OTHER
Jan 26, 2025 Resolved
Public Notice
OTHER
Jan 16, 2025 Resolved
Public Notice
OTHER
Jan 11, 2025 Resolved
Public Notice
OTHER
Jan 11, 2025 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jan 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2025 Resolved
Public Notice
OTHER
Dec 18, 2024 Resolved
Public Notice
OTHER
Dec 7, 2024 Resolved
Public Notice
OTHER
Dec 7, 2024 Resolved
Chlorine
Monitoring and reporting
Dec 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2024 Resolved
Public Notice
OTHER
Nov 6, 2024 Resolved
Chlorine
Monitoring and reporting
Nov 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Public Notice
OTHER
Oct 16, 2024 Resolved
Public Notice
OTHER
Oct 11, 2024 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Active
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2024 Resolved
Public Notice
OTHER
Aug 28, 2024 Active
Public Notice
OTHER
Aug 28, 2024 Resolved
Public Notice
OTHER
Aug 15, 2024 Resolved
Public Notice
OTHER
Aug 13, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2024 Resolved
Public Notice
OTHER
Jul 20, 2024 Resolved
Public Notice
OTHER
Jul 20, 2024 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Active
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2024 Resolved
Public Notice
OTHER
Apr 14, 2024 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2024 Resolved
Public Notice
OTHER
Mar 29, 2024 Resolved
Public Notice
OTHER
Mar 29, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2024 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2023 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2023 Active
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Active
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2023 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2023 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nickel
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Fluoride
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Barium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Beryllium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Arsenic
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Cadmium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Thallium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Selenium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Antimony, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Mercury
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jan 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2022 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2022 Resolved
Combined Uranium
Monitoring and reporting
Jul 1, 2022 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Active
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2021 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Oct 1, 2021 Resolved
Combined Uranium
Monitoring and reporting
Oct 1, 2021 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2021 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2021 Resolved
Combined Uranium
Monitoring and reporting
Jul 1, 2021 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2021 Resolved
Public Notice
OTHER
Mar 12, 2021 Resolved
Public Notice
OTHER
Mar 12, 2021 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2020 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2019 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2019 Resolved

Full record since 1986

EPA's records for Cortland Corners MHP go back to 1986. Before October 19, 2016 they list 16 health-based violations (14 resolved, 2 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 1 0
1990s 5 7
2000s 10 11
October 19, 2016 to 2019 0 2
2020s 1 115

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began January 2005, Resolved.

Show all 16 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2005 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2004 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1998 Archived
Total Coliform
Contaminant limit exceeded
Jul 1, 1998 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 1995 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Nov 1, 1990 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Nov 20, 1986 Resolved

Enforcement actions

Illinois regulators took 3 formal enforcement actions against Cortland Corners MHP between 2001 and 2022, filed as 7 records in EPA's data. The most recent was a compliance order (no penalty) in June 2022.

Date By Action Violations covered
Jun 29, 2022 Illinois Compliance order (no penalty) 6 violations: Combined Radium (-226 and -228), Combined Uranium, Lead and Copper Rule, Nitrate
Mar 18, 2004 Illinois Signed compliance agreement 11 violations (11 health-based): Combined Radium (-226 and -228)
Nov 13, 2001 Illinois Signed compliance agreement 3 violations (3 health-based): Combined Radium (-226 and -228)

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Cortland Corners MHP draws water from 2 wells.

Annual water quality report

Cortland Corners MHP must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Cortland Corners MHP for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.