Legend (Henderson_County_Flood_Data)

Floodway - Any land area susceptible to being inundated by floodwaters from any source. (1) 100 Year Flood - Boundary of floodplain that has a 1% chance of being equaled or exceeded in any given year. (2) 500 Year Flood - Boundary of the floodplain that has a 0.2% chance of being equaled or exceeded in any given year. (3)