US Army Corps of Engineers
Omaha District Website

Montana Regulatory Offices

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Post Office Box 2256
Billings, Montana 59103
Ph: 406-657-5910
Fax: 406-657-5911

10 West 15th Street, Suite 2200
Helena, Montana 59626
Ph: 406-441-1375
Fax: 406-441-1380

1600 North Ave. West, Suite 105
Missoula, Montana 59801
Ph: 406-541-4845
Fax: 406-541-4849

Public Notices

  • NWO-2011-00381-MTH

    Expiration date: 2/21/2020

    The project will extend Blossburg Siding (side track) to the west from Mile Post (MP) 22.1 to MP 23.4, adding a second track at 15 feet centers relative to the existing track. In addition, a 290 foot long by 12-foot wide access road will be installed, a bridge across Dog Creek and the existing culvert (MP 22.16) will be fully sliplined with a new 11-foot diameter Corrugated Metal Pipe (CMP) culvert.

  • NWO-2018-01823-MTM

    Expiration date: 1/6/2020

    Approximately 1,005 linear feet of an unnamed perennial stream channel that flows into the Bitterroot River will be placed into a 24-inch pipe. The applicant’s stated project purpose is to pipe the unnamed tributary to reduce erosion and improve public safety. The attached drawings provide additional project details.

  • Special Public Notice for Federal Register Notice

    On January 6, 2017, the U.S. Army Corps of Engineers (Corps) published the notice in the Federal Register announcing the reissuance of all existing nationwide permits (NWPs), general conditions, and definitions with some modifications. The NWPs became effective on March 19, 2017, and will expire on March 18, 2022.