Regulatory flood definition

Regulatory flood means the Flood having a one-percent (1%) chance of being equaled or exceeded in any given year, as calculated by a method and procedure that is acceptable to and approved by the Indiana Department of Natural Resources and FEMA. The Regulatory Flood elevation at any location is as defined in Article 5.5(F)(2) of this5CHAPTER 5 ordinance. The "Regulatory Flood" is also known by the term "Base Flood", "One-Percent (1%) Annual Chance Flood", and "100-Year Flood".

Regulatory flood means the 1:100-year flood, the limits of which define the riverine flooding hazard.

Regulatory flood means the one-hundred- (100-) year flood. The water surface elevation of the regulatory flood is the water surface elevation delineated on the flood insurance rate map.

Examples of Regulatory flood in a sentence

• Regulatory flood means a flood which is representative of large floods known to have occurred generally in the area and reasonably characteristic of what can be expected to occur on a particular stream.

• Watercourses and associated flood plains shall be capable of handling the Regulatory flood run-off as determined by the Conservation Authority.

• Design The County of Brant supports the policies of the local Conservation Authorities, which generally require that no new building be subject to flood damages from the Regulatory flood as per the revised Technical Guidelines for Flood Plain Management in Ontario (February, 1986).

• In addition, bridges and culverts shall be designed so there is no increase in the Regulatory flood conditions of the watercourse.

• The Regulatory flood is the greater of the Hurricane Hazel flood (transposed), modeled 100-year flood, observed flood, or frequency-based 100-year flood.

More Definitions of Regulatory flood

Regulatory flood means a flood which is representative of large floods known to have occurred generally in the area and reasonably characteristic of what can be expected to occur in a particular stream or river. Regulatory flood generally has a frequency of approximately one hundred years, determined from an analysis of floods in a particular stream and other streams in the same general region.

Regulatory flood means the standard used by the conservation authority having jurisdiction in a particular watershed to define the limit of the flood plain for regulatory purposes.

Regulatory flood means ‘a flood having a one percent (1%) probability of being equaled or exceeded in a year as calculated by a method and procedure that is approved by the Natural Resources Commission. The regulatory flood is equivalent to the base flood or the 100-year frequency flood.’ ‘Floodway’ means ‘the channel of a river or stream and those portions of the flood plains adjoining the channel which are reasonably required to efficiently carry and discharge the peak flow of the regulatory flood of any river or stream.’” IND. DEP’T OF ENVTL. MGMT., OFFICE OF WATER QUALITY. WATERWAY PERMITTING HANDBOOK (2002), available at

Regulatory flood means the one-hundred-year flood, i.e., the flood having a one percent (1%) chance of occurrence in any given one year period, also known as the base flood.

Regulatory flood means a level of flooding that a regulatory agency’s design regulations apply to.

Regulatory flood means the flood used to define the outer boundary lines of the floodplain district. The maximum flood predicted to occur within each 100 years as defined by the U. S. Army Corps of Engineers.

Regulatory flood means the flood used to define the outer boundary lines of the floodplain district. The maximum flood predicted to occur within each 100 years.