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Posted 12/9/2014

Release no. 20141209-002

Jennifer Salak


Matthew Vandenberg

OMAHA, Neb. – A draft environmental assessment for repairs to the Little Sioux InterCounty Drainage District’s flood control works project in Monona and Harrison Counties, Iowa, is currently available for public review. The draft EA evaluates the environmental impacts of repairing damages to four areas of the project caused by high flows along the Little Sioux River in May 2013.

The upstream portion of the proposed project is located approximately six miles northeast of Onawa, Monona County, Iowa, and the downstream portion of the proposed project is located approximately two miles west of Little Sioux, Harrison County, Iowa. The flood control works damages are located on both sides of the Little Sioux River with the upstream portion of the project at the confluence of the Monona-Harrison County Ditch and the Little Sioux River and the downstream portion of the project near the confluence of the Missouri River and the Little Sioux River.

Repairs will vary at the four areas and will include repairing concrete buttresses, repairing and resurfacing eroded levees, replacing lost riprap, and constructing a 450-foot setback levee. Repairs will be completed under the Corps’ PL 84-99 Emergency Levee Rehabilitation Program with the goal of restoring the project’s features to pre-disaster conditions.

The public is encouraged to provide comments on the draft environmental assessment, which is available for viewing at: http://www.nwo.usace.army.mil/Missions/CivilWorks/Planning/EnvironmentalPlanning/DraftDocuments.aspx. Comments can be mailed to: U.S. Army Corps of Engineers, Omaha District; CENWO-PM-AC; ATTN: Intercounty EA; 1616 Capitol Avenue; Omaha, NE 68102-4901. Comments can also be emailed to: cenwo-planning@usace.army.mil. Comments must be postmarked or received no later than January 6, 2015.

This draft EA is consistent with the National Environmental Policy Act of 1969, as amended, the Council on Environmental Quality’s  regulations for implementing NEPA (40 CFR 1500-1508), the Corps’ regulations for implementing NEPA (33 CFR 325 and Engineering Regulation 200-2-2) and other applicable environmental laws and regulations.

Harrison County Monona County PL 84-99