The U.S. Army Corps of Engineers (USACE) understands that during a flood emergency and times of imminent danger landowners may decide to do what they determine is necessary to protect their property. When possible, it is imperative for the public to contact the USACE, Montana Regulatory Office at (406) 441-1375 or Montana.Reg@usace.army.mil before work in waters of the U.S. associated with flood protection and post-flood repair work within the State of Montana. A flood emergency does not remove the landowner's responsibility to obtain a Section 10 or Section 404 permit, if a permit is required.