Summary: The draft supplemental EA evaluates the impacts of restoring ecological function to the Tyson Bend backwater shallow water habitat (SWH) project. In addition to the dredging activities, existing rock structures would be extended and repaired in order to reduce riverbank erosion upstream of the backwater entrance as well as to help reduce the rate of sedimentation occurring at the backwater entrance.
Geographic Scope: Tyson Bend Wildlife Management Area, Harrison County, IA
Impacts: None
Decision/Date: Finding of No Significant Impact / October 20, 2017