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Integrated Reports

Download an Integrated Report

​​​​Integrated Reports going back to the 1970s are available, although the format has changed over the years. Beginning in 2006, the 303(d) and 305(b) reports were combined into an Integrated Report (IR) in two volumes, following guidance by the Environmental Protection Agency (EPA). Details on IR report guidance can be found at EPA's Web site. For the year 2000, a 303(d) report was not completed.

In the 1990s and early 2000s, the report was accompanied by support maps; maps of current listings are available on the Water Health Portal.

In earlier versions the pollutants (formerly labeled Causes) were given in code form as were the suspected sources of the pollutant. These documents provide the meanings of the codes:


The draft 2024 303(d) list was at public notice April 16 - June 15, 2024. Kentucky's 2024 Integrated Report was submitted to the U.S. Environmental Protection Agency (EPA) on September 13, 2024. EPA approved Kentucky's 2024 303(d) list on October 3, 2024.

  • Kentucky's 2024 Integrated Report fulfills EPA's reporting elements of an Integrated Report; responses to comments are included as an appendix to the Integrated Report document.

  • The 2024 305(b) workbook includes the 305(b) list, the 303(d) list, new listings, impaired waters, waters proposed for delisting, waters with a TMDL, and implementation.

Kentucky's Integrated Report Hub Site provides a more interactive platform to review assessment results, designated use attainment, impaired waters, and causes of impairment throughout the Commonwealth.


Integrated Reports prior to 2024 are available for download on the Archived Integrated Reports page. ​
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For more information contact:
Katie McKone
Assessment Coordinator​
Kentucky Energy and Environment Cabinet
300 Sower Blvd
Frankfort, KY 40601    

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