Definitions for "Floodway"
A flow path (sometimes artificial) that carries significant volumes of floodwaters during a flood.
The area along both sides of a bayou or creek including the main channel that has the strictest regulations on it because it is the area that is needed to move the 1% flood downstream and out of the homes or businesses that it may have flooded. Back
the river channel and the adjacent land area needed to carry the 100-year flood without an increase to the water surface elevations of the river more than one foot at any one point.
a deliberately placed opening above a pier
A part of a road that is intentionally lower to allow flood waters to cross at a known point.
Designated land left clear of development for the passage of flood waters.
A mapped region likely to be flooded, in which people avoid constructing buildings.