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.”

14 Feb 2022

Special Public Notice for Nationwide Permit Reissuance and Regional Conditions for North Dakota

Expiration date: 3/14/2026

On December 27, 2021, the U.S. Army Corps of Engineers published a final rule in the Federal Register (86 FR 73522) announcing the reissuance of 40 existing nationwide permit (NWPs) and one new NWP. These 41 NWPs will go into effect on February 25, 2022 and will expire on March 14, 2026. With the publication of these NWPs, the Northwestern Division has finalized regional conditions for these 41 NWPs in North Dakota to ensure the NWPs authorize only those activities with no more than minimal adverse environmental effects. Water quality certification under Section 401 of the Clean Water Act is a pre-requisite to permit issuance and have been included as regional conditions.

20 Jan 2022

Special Public Notice for Federal Register 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. These 41 NWPs will go into effect on February 25, 2022, and they will expire on March 14, 2026.