24 Mar 2021

Special Public Notice: Applicability of the Clean Water Act 404(f)(1)(C) exemption for the construction or maintenance of irrigation ditches and the maintenance of drainage ditches within Colorado

On July 24, 2020, the U.S. Army Corps of Engineers (Corps) and the U.S. Environmental Protection Agency (EPA) issued a joint memorandum to the field regarding application of the Clean Water Act (CWA) Section 404(f)(1)(C) exemption pertaining to the construction or maintenance of irrigation ditches and the maintenance of drainage ditches. To help explain how this memo affects the Corps’ Regulatory Program in Colorado and where to find more information, the Albuquerque District, on behalf of the Corps districts in the State of Colorado, has created a Ditch Memo Fact Sheet.

18 Mar 2021

JOINT PUBLIC NOTICE: Streamflow Duration Assessment Method for the Arid West

The U.S. Army Corps of Engineers (Corps), Sacramento, San Francisco, Los Angeles, and Albuquerque Districts (South Pacific Division), the Corps Omaha District, and the U.S. Environmental Protection Agency (EPA), Regions 6 , 8, and 9 jointly announce the availability of the Beta Streamflow Duration Assessment Method (SDAM) for the Arid West (dated February 2021).

4 Mar 2021

FINAL PUBLIC NOTICE: The Final Colorado Regional Conditions Applicable to the 16 Nationwide Permits Published in the Federal Register on January 13, 2021

On January 13, 2021, the U.S. Army Corps of Engineers (Corps) published a final rule in the Federal Register (86 FR 2744) announcing the reissuance of 12 existing nationwide permits (NWPs) and four new NWPs, as well as the reissuance of NWP general conditions and definitions with some modifications. These 16 NWPs will go into effect on March 15, 2021 and will expire on March 14, 2026.

4 Mar 2021

FINAL PUBLIC NOTICE: The Final Regional Conditions for Texas within Albuqueque District that are Applicable to the Nationwide Permits Published in the Federal Register

On January 13, 2021, the U.S. Army Corps of Engineers (Corps) published a final rule in the Federal Register (86 FR 2744) announcing the reissuance of 12 existing nationwide permits (NWPs) and four new NWPs, as well as the reissuance of NWP general conditions and definitions with some modifications. These 16 NWPs will go into effect on March 15, 2021 and will expire on March 14, 2026.

4 Mar 2021

FINAL PUBLIC NOTICE: The Final Regional Conditions in Navajo Nation Applicable to the Nationwide Permits Published in the Federal Register

On January 13, 2021, the U.S. Army Corps of Engineers (Corps) published a final rule in the Federal Register (86 FR 2744) announcing the reissuance of 12 existing nationwide permits (NWPs) and four new NWPs, as well as the reissuance of NWP general conditions and definitions with some modifications. These 16 NWPs will go into effect on March 15, 2021and will expire on March 14, 2026: