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Draft Environmental Assessment - PL 84-99 Levee Rehabilitation Program, City of Sheridan, Sheridan County, Wyoming - 10/6/2017: The draft EA evaluates the environmental impacts of levee repairs along the right–descending bank of Big Goose Creek in Sheridan, Wyoming. Repairs would include constructing a 100-foot long piggyback levee, removing earthen material and rock from the channel, placing riverside rock rip-rap and geotextile filter and reseeding disturbed areas.
Expiration date: 11/6/2017
Draft Supplemental Environmental Assessment/Finding of No Significant Impact - Tyson Bend Backwater Operation & - 7/25/2017: 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.
Expiration date: 8/25/2017
Environmental Assessment - Oahe Master Plan Land Classification Supplement - 7/21/2017: The draft supplemental EA evaluates the environmental impacts of reclassifying Management Unit 60, which consists of 125 acres known as Sibley Nature Park at the Oahe Project, from Environmentally Sensitive to Multiple Resource Management – Low Density Recreation.
Expiration date: 8/23/2017
Draft Environmental Assessment - Outlet Works Modifications Project to Salt Creek Dam Sites 2, 8, 9, & 14, Lancaster County, Nebraska - 5/5/2017: Summary: The draft EA evaluates the environmental impacts of installing filters to address potential seepage issues at the following dam sites: Olive Creek, Wagon Train, Stage Coach, and Pawnee. This EA also assesses the impacts of Nebraska Game and Parks Commission boat ramp improvements and a fishery renovation project at Stagecoach Dam.
Expiration date: 6/5/2017
Programmatic Environmental Assessment and Finding of No Significant Impact - Council Bluffs Levee Program, Pottawattamie County, Iowa - 3/7/2017: Summary: The programmatic EA evaluates the impacts of repairing deficiencies located at various sites along the 28.5-mile Council Bluffs levee system that extends along the Missouri River and includes the Indian Creek and Mosquito Creek tributaries.
Expiration date: 4/5/2017
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