Colorado River Floodway Protection Act

[AI summary unavailable — showing source text] Colorado River Floodway Protection Act - Establishes the Colorado River Floodway, with boundaries to be determined by floodflow levels of various waterways within the Colorado River. Provides that such floodway designation shall begin immediately below Hoover Dam and extend southerly to the international boundary between the United States and Mexico. Directs the Secretary of the Interior to file with the appropriate congressional committees maps of the floodway, and to provide each State or Federal agency affected by such floodway system with copies of such maps. Permits the Secretary to make minor modifications to such maps after timely notice to the appropriate congressional committees and State or agency involved. Directs the Secretary to review such maps at least once every five years and to make all necessary changes. Denies the availability of new expenditures or new financial assistance for any purpose within the Floodway, with specified exceptions. Allows the appropriate Federal officer to make Federal expenditures or financial assistance available within the Floodway for: (1) any dam, channel, levee, or other structure whose purpose is flood control, water conservation, dr…