11 Jul 2019

Draft EA - South Western Avenue drainage improvement weir modifications, Minnehaha County, SD

Expiration date: 8/9/2019

The draft environmental assessment evaluates the impacts of modifying the shape of an existing concrete weir to include widening the base to allow for improved flow through the existing oxbow wetland, improve interior drainage, and reduce flooding of nearby buildings.

21 May 2019

Draft EA - Wastewater Discharge Pipe Project, Cargill Inc.

Expiration date: 6/21/2019

A draft environmental assessment (EA) for the proposed installation of a wastewater discharge pipe at the Cargill plant in Blair, NE is currently available for public review. Cargill, Inc. is proposing to install approximately 600 feet of new polyethylene wastewater discharge pipe (not to exceed 48-inch capacity) adjoining an existing discharge pipe that outlets into the Missouri River.

13 May 2019

Draft EA - ND Line 84 Geohazard Remediation Project

Expiration date: 6/14/2019

The draft EA evaluates the proposed rehabilitation of a segment of an 8-inch diameter steel crude oil pipeline, Line 84, owned and operated by the North Dakota Pipeline Company LLC (NDPL), near the City of Trenton in Williams County, North Dakota. As the proposed project would require crossing lands associated with US Army Corps of Engineers (Corps) managed real estate, a Section 408 permit and a real estate easement are required.

19 Apr 2019

Draft EA - Rehabilitation at Bluestem and Antelope Creek Dam

The draft EA evaluates the environmental impacts of installing filters to address potential seepage issues at Bluestem Dam (located approximately two miles west of Sprague) and Antelope Creek Dam, also known as Holmes Lake (located within the City of Lincoln between South 56th Street and South 70th Street).

18 Apr 2019

Draft EA - Pipestem Dam Safety Modification Study, North Dakota

The proposed project would include modifications to the emergency earthen spillway to reduce the risk of erosion in the event that the spillway would need to be used to pass flows.