28 Sep 2022

Notice of Availability of the Beta Streamflow Duration Assessment Method for the Great Plains

Expiration date: 9/28/2023

The U.S. Army Corps of Engineers (Corps) Albuquerque, Chicago, Detroit, Fort Worth, Galveston, Kansas City, Omaha, Rock Island, St. Louis, St. Paul, and Tulsa Districts, and the U.S. Environmental Protection Agency (EPA), Regions 5, 6, 7, and 8, jointly announce the availability of the Beta Streamflow Duration Assessment Method (SDAM) for the Great Plains (dated September 2022). The method is a rapid assessment tool to help distinguish between ephemeral, intermittent, and perennial streamflow at the reach scale for the Northern and Southern Great Plains SDAM Regions. The beta SDAM may help provide technical guidance for identifying waters that may be subject to regulatory jurisdiction under Section 404 of the Clean Water Act; however, this method does not alter or change the definition of “Waters of the U.S.”

1 Aug 2022

Lower Brule North Ecosystem Restoration Draft Feasibility Report and Integrated Environmental Assessment

Expiration date: 8/31/2022

U.S. Army Corps of Engineers, Omaha District, is seeking public comments on the Lower Brule North Ecosystem Restoration Draft Feasibility Report and Environmental Assessment, until August 31, 2022. The purpose of this study is to evaluate alternatives for shoreline protection to reduce the continued loss of land which is threatening natural resources near the town of Lower Brule.

10 Feb 2022

Special Public Notice

Expiration date: 3/14/2026

On December 27, 2021, the U.S. Army Corps of Engineers (Corps) published a final rule in the Federal Register (86 FR 73522) announcing the reissuance of 40 existing nationwide permits (NWPs) and one new NWP, as well as the reissuance of NWP general conditions and definitions with some modifications. These 41 NWPs will go into effect on February 25, 2022, and will expire on March 14, 2026.