We use cookies on our site to analyze traffic, enhance your experience, and provide you with tailored content.

For more information visit our privacy policy.

One hundred year flood plain definition

One hundred year flood plain means that portion of a flood plain inundated by a one-hundred-year flood.
One hundred year flood plain means any land area that is subject to a one percent or greater chance of flooding in a given year from any source.
One hundred year flood plain means that area adjoining any river, stream, watercourse or lake that has been or may be inundated by a one hundred year flood.

Examples of One hundred year flood plain in a sentence

  • One hundred year flood plain is defined as that area which would be inundated by storm water run off equivalent to that, which would occur with a rainfall of one hundred year frequency after total development of the watershed.

  • One hundred year flood plain" means that area adjoining any river, stream, watercourse or lake that has been or may be inundated by a one hundred year flood.

  • One hundred year flood plain" means a portion of a designated flood plain that may be inundated by a one hundred year flood.

  • One hundred year flood plain" means that area adjoining any river, stream, watercourse, or lake that has been or may be inundated by a one hundred year flood.


More Definitions of One hundred year flood plain

One hundred year flood plain or "base flood plain" means that area adjoining any river, stream, water-course, or lake that has been or may be inundated by a one hundred year flood.
One hundred year flood plain means the area inundated by the 100-year flood. A 100-year flood is estimated to have a one percent chance, or one chance in 100, of being equalled or exceeded in any one year. See also N.J.A.C. 7:13.
One hundred year flood plain means the land adjacent to a major water source, if there is at least a 1 percent chance that the land will be inundated in any one year, according to calculations adopted by rules adopted pursuant to Iowa Code section 459.103. In making the calculations, the department shall consider available maps or data compiled by the Federal Emergency Management Agency.
One hundred year flood plain means the same as defined in 567—70.2(455B,481A).
One hundred year flood plain means that area adjoining any river, stream, watercourse or lake
One hundred year flood plain means lowlands adjoining the channel of a streamway which would be covered by floodwaters of a flood having an average frequency of occurrence in the order of once in 100 years although the flood may occur in any year.
One hundred year flood plain means a water source and the land adjacent to a water source that would be inundated by Q100 as defined in these rules.