### Question
How does NATIONAL FLOOD INSURANCE define 500-year floodplain?


### Answer
Under *42 U.S.C. § 4004*, **500-year floodplain** is defined as:

> that area which is subject to inundation from a flood having a 0.2-percent chance of being equaled or exceeded in any given year

#### Citation:
  - *42 U.S.C. § 4004*
  - Heading: **CHAPTER 50-NATIONAL FLOOD INSURANCE**

