100-year flood definition

100-year flood means a flood that has a 1-percent 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.
100-year flood means a flood that has a one percent chance of being equalled or exceeded in any given year.
100-year flood means a flood, the magnitude of which has a one percent (1%) chance of being equaled or exceeded in any given year or which, on the average, will be equaled or exceeded at least once every one hundred (100) years.

Examples of 100-year flood in a sentence

  • In order to mitigate for the increased potential for flooding with time, the County desires to update the 100-year Flood Elevation Map to account for flood conditions predicted with changes in climate and rising sea level to support planning, infrastructure investments, and development requirements.

  • Task 10 - Develop ArcGIS Tool - Generate Future 100-year Flood Contour Map This task will produce a utility tool that will convert XXXX SHE output flood stages into contours suitable for County flood mapping purposes.

  • In the event of a "Flood Warning" all active Waste Stockpile Areas shall be closed and their entrances shall be secured to the 100-year Flood Elevation.

  • Flood Plain (§ 90.228) – If the residence is located in the 100-year Flood Plain, then the landlord must convey this information to the tenant.

  • As such, it is fully anticipated that the Broward County 100-year Flood Elevation Map may undergo future adjustments as trends in sea level and flood condition warrant.


More Definitions of 100-year flood

100-year flood or "base flood" means a flood that has a one percent or less chance of recurring in any given year or a flood of a magnitude equaled or exceeded once in one hundred years on the average over a significantly long period.
100-year flood means the flood having a one percent chance of being equaled or
100-year flood means a flood with an occurrence probability of one percent (1%) each year as determined by the Indiana department of natural resources.
100-year flood means the condition of flooding having a one percent chance of annual occurrence.
100-year flood. MEANS A FLOOD HAVING A RECURRENCE INTERVAL THAT HAS A ONE-PERCENT CHANCE OF BEING EQUALED OR EXCEEDED DURING ANY GIVEN YEAR (1-PERCENT-ANNUAL-CHANCE-FLOOD). THE TERMS “ONE-HUNDRED-YEAR-FLOOD” AND “ONE PERCENT CHANCE FLOOD” ARE SYNONYMOUS WITH THE TERM “100-YEAR FLOOD.” THE TERM DOES NOT IMPLY THAT THE FLOOD WILL NECESSARILY HAPPEN ONCE EVERY ONE HUNDRED YEARS.
100-year flood means the flood having a one per cent chance of being equaled or exceeded in magnitude in any given year.
100-year flood means a flood that has a one-percent or greater chance of recurring in any given