Prohibited Uses Within Floodway

Mont. Code Ann. § 76-5-403, under Use of Flood Plains and Floodways.

Mont. Code Ann. § 76-5-403

The following nonconforming uses shall be prohibited within the designated floodway: (1) a building for living purposes or place of assembly or permanent use by human beings; (2) a structure or excavation that will cause water to be diverted from the established floodway, cause erosion, obstruct the natural flow of water, or reduce the carrying capacity of the floodway; (3) the construction or permanent storage of an object subject to flotation or movement during flood level periods.