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_ 17-3 which the mobile homes are to be placed. This (24) FLOOD PROFILE: A graph or a longitudinal includes installation of utilities, either final site profile line showing the relationship of the water — grading, pouring pads, or construction of streets. surface elevation of a flood event to locations of (15) FEMA: The Federal Emergency Management land surface elevations along a stream or river. Agency, the federal agency that administers the (25) FLOODPROOFING: Any combination of -__ National Flood Insurance Program. This agency structural provisions, changes or adjustments to was previously known as the Federal Insurance properties and structures, water and sanitary Administration (FIA), or Department of Housing facilities and contents of buildings subject to and Urban Development(HUD). flooding, for the purpose of reducing or eliminating (16) FLOOD or FLOODING: A general and flood damage. temporary condition of partial or complete (26) FLOOD PROTECTION ELEVATION: An inundation of normally dry land areas caused by: elevation two feet of freeboard above the water (a) The overflow or rise of inland waters; surface profile elevation designated for the regional (b) The rapid accumulation or runoff of surface flood." waters from any source; or (27) FLOOD STORAGE: Those floodplain areas (c) The sudden increase caused by an where storage of floodwaters has been taken into unusually high water level in a natural body of account during analysis in reducing the regional water, accompanied by a severe storm, or by an flood discharge. unanticipated force of nature, such as a seiche, or (28) FLOODWAY: The channel of a river or by some similarly unusual event. - stream and those portions of the floodplain (17) [reserved for future use.] adjoining the channel required to carry the (18) FLOODFRINGE: That portion of the regional flood discharge. floodplain outside of the floodway which is - (29) FREEBOARD: A flood protection elevation covered by flood waters during the regional flood requirement designed as a safety factor which is and generally associated with standing water rather usually expressed in terms of a specified number of than flowing water. feet above a calculated flood level. Freeboard ,- (19) [reserved for future use.] compensates for the effects of any factors that • (20) FLOOD INSURANCE STUDY: A technical contribute to flood heights greater than those engineering examination, evaluation, and calculated. These factors include, but are not determination of the local flood hazard areas. It limited to, ice jams, debris accumulation, wave provides maps designating those areas affected by action, obstruction of bridge openings and the regional flood and provides both flood floodways, the effects of urbanization on the insurance rate zones and regional flood elevations hydrology of the watershed, loss of flood storage • . and may provide floodway lines. The flood hazard areas due to development and aggregation of the areas are designated , as numbered and river or stream bed. unnumbered A-Zones. Flood insurance study (30) General Floodplain District: Consists of all maps form the basis for both the regulatory and the areas which have been or may be covered by flood I insurance aspects of the National Flood Insurance water during the regional 'flood. It includes both Program. the floodway and floodfringe districts. (21) FLOODPLAIN: That land which has been or (31) [reserved for future use] may be hereafter covered by flood water during the (32) HIGH FLOOD DAMAGE POTENTIAL: regional flood. The floodplain includes the Damage that could result from flooding that floodway and the floodfringe, and may include includes any danger to life or health or any other designated floodplain areas for regulatory significant economic loss to a structure or building purposes. and its contents. (22) FLOODPLAIN ISLAND: A natural geologic (33) HISTORIC STRUCTURE:5 Any structure that land formation within the floodplain that is is: 1 surrounded, but not covered, by floodwater during (a) Listed individually in the National Register the regional flood. of Historic Places or preliminarily determined by (23) [reserved for future use.] the Secretary of the Interior as meeting the 4 See also freeboard at s. 17.05(29). • i s Annotation: As set forth federal rule, Oct. 1990 Unofficial Text Dane County Code of Ordinances _ rev. 043095