The Agency has prepared a list of impaired waters to fulfill the requirements set forth in Section 303(d) of the federal Clean Water Act and the Water Quality Planning and Management regulation at 40 CFR Part 130. The report also provides information about the Total Maximum Daily Load program/process in Illinois.

2020/2022

Final as submitted to USEPA, Region 5 on June 1, 2022

USEPA approval of the 2020/2022 Integrated Report on June 30, 2022

2018

Final as submitted to USEPA, Region 5 on February 22, 2021

USEPA approval of the 2018 Integrated Report on March 19, 2021

2016

Final as submitted to USEPA, Region 5 on July 11, 2016

2014

Final as submitted to USEPA, Region 5 on March 24, 2014

2012

Final as submitted to USEPA, Region 5 on December 20, 2012

2010

Final as submitted to USEPA, Region 5 on December 23, 2011       

2008

Final as submitted to USEPA, Region 5 on June 30, 2008 

2006

2004

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