The Omaha District oversees Regulatory Permitting for the State of Montana. There are three regulatory offices in the state located in Billings, Helena and Missoula. Permitting oversight is divided among the three offices. You are encouraged to contact the Helena office and they will direct you to the appropriate contact.
Additionally, the Omaha District is lead district for USACE disaster response missions in Montana.
The Civli Works Mission for much of Montana is led by the Omaha District. The Seattle District leads the Civil Works Mission for portions of Montana west of the Missouri River watershed.
The Seattle District leads Military Missions for the state.