FLOODPLAIN-DEFINITION

Amends the Environmental Protection Act; the Rivers, Lakes, and Streams Act; and the Livestock Management Act. Defines "100-year floodplain" as the lowland and relatively flat areas adjoining inland and coastal waters, including flood-prone areas of offshore islands, that are inundated by a flood that has a 1% or greater chance of recurring in any given year or a flood of a magnitude equalled or exceeded once in 100 years on the average over a significantly long period. Provides that areas that lie within an area protected by a levee or levees located in a flood prevention district established by the Flood Prevention District Act are deemed by operation of law not to be within the 100-year floodplain for the purposes of these Acts. Provides that to the extent that Executive Order 2006-5 is inconsistent with the provisions of this amendatory Act, the provisions of this amendatory Act shall govern. Effective immediately.