Regulatory and Permitting Program

31 Mar 2021

NWO-2011-01760-Teller

Expiration date: 4/30/2021

Project’s Short Description: The purpose of the proposed wetland mitigation project is to fulfill MARS’ obligation to provide 53.06 functional mitigation units (FMU) of compensatory wetland mitigation credit to offset permanent impacts to 7.88 acres (53.06 FMU) of palustrine emergent and scrub/shrub wetland within the Lower Clark Fork Watershed Service Area 3, within at least one of three areas (Spring Creek Area, Jones Parcel, Cattail Enhancement Area) within the project area.

25 Mar 2021

SPA-2021-00064, Public Notice of Permit Issuance - Regional General Permit 5 – Ditch Related Activities in the State of Colorado

Expiration date: 4/8/2021

The purpose of this Regional General Permit (RGP) is to authorize discharges into ditches that have minimal individual or cumulative adverse effects on the aquatic environment but that do not qualify for the Clean Water Act section 404(f)(1)(C) exemption because of the recapture provision at section 404(f)(2) (see 33 CFR 323.4).

25 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.

25 Mar 2021

NWO-2011-01760-MTM

Expiration date: 4/26/2021

The U.S. Army Corps of Engineers, Omaha District, (Corps) is evaluating a request by Montana Aquatic Resources Services (MARS) to add an In-Lieu Fee (ILF) compensatory mitigation site to the Program’s Instrument, updated in May 2020. The Proposed Site Plan (Plan) is the first phase of mitigation site evaluation. It is intended to determine whether the site has enough potential to warrant development of a more detailed Draft Mitigation Site plan. This notice is to inform interested parties of the proposed activity and to solicit comments. The proposed mitigation site would cover the Flathead Watershed.

19 Mar 2021

Joint Public Notice: Notice of Availability of the Beta Stream Flow Duration Assessment Method for the Arid West

Joint Public Notice: Notice of Availability of the Beta Stream Flow Duration Assessment Method for the Arid West