On January 6, 2017, the U.S. Army Corps of Engineers (Corps) published a notice in the Federal
Register (82 FR 1860) announcing the reissuance of all 50 existing nationwide permits (NWPs), general
conditions, and definitions with some modifications. The Corps also issued two new NWPs, one new
general condition, and five new definitions. The 2017 NWPs went into effect on March 19, 2017, and
will expire on March 18, 2022.On March 16, 2017, the Mississippi Valley Division Engineer approved Regional Conditions for
the Nationwide Permits (NWPs) in Illinois and Missouri. These conditions apply to all activities
authorized by NWPs. Regional conditions provide additional protection for the aquatic environment by
ensuring that the NWPs authorize only those activities with minimal adverse effects on the aquatic
environment.The Illinois Environmental Protection Agency and the Missouri Department of Natural Resources
have issued Section 401 WQC for a majority of the Section 404 NWP activities in Illinois and Missouri.The 2017 Final Regional Conditions and Section 401WQC conditions became effective on March 19, 2017.