This report shall be submitted annually or biennially as determined by the Administrator.įloodplain management means the operation of an overall program of corrective and preventive measures for reducing flood damage, including but not limited to emergency preparedness plans, flood control works and floodplain management regulations.įloodplain management regulations means zoning ordinances, subdivision regulations, building codes, health regulations, special purpose ordinances (such as a floodplain ordinance, grading ordinance and erosion control ordinance) and other applications of police power. In this case, streets are included in the definition of property.įlood elevation study means an examination, evaluation and determination of flood hazards and, if appropriate, corresponding water surface elevations, or an examination, evaluation and determination of mudslide (i.e., mudflow) and/or flood-related erosion hazards.įlood insurance means the insurance coverage provided under the Program.įlood Insurance Rate Map (FIRM) means an official map of a community, on which the Administrator has delineated both the special flood hazard areas and the risk premium zones applicable to the community.įlood Insurance Study (FIS) see flood elevation study.įloodplain or flood-prone area means any land area susceptible to being inundated by water from any source.įloodplain administrator is the official responsible to submit a report to the Administrator concerning the community participation in the Program, including, but not limited to the development and implementation of floodplain management regulations. “Existing construction” may also be referred to as “existing structures.”Įxisting structures see existing construction.įederal Emergency Management Agency (FEMA) is a federal agency within the Department of Homeland Security that administers the National Flood Insurance Program (NFIP).įlood or Flooding for purposes of the National Flood Insurance Program (NFIP), a flood is an unusual rise in waters covering two acres or more of land or two or more properties. For purposes of these regulations, the term ‘‘special flood hazard area’’ is synonymous in meaning with the phrase ‘‘area of special flood hazard’’.īasement means any area of the building having its floor subgrade (below ground level) on all sides.īase flood means the flood having a one percent chance of being equaled or exceeded in any given year.Ĭoastal high hazard area means an area of special flood hazard extending from offshore to the inland limit of a primary frontal dune along an open coast and any other area subject to high velocity wave action from storms or seismic sources.Ĭommunity means any State or area or political subdivision thereof, or any Indian tribe or authorized tribal organization, or Alaska Native village or authorized native organization, which has authority to adopt and enforce floodplain management regulations for the areas within its jurisdiction.ĭigital Flood Insurance Rate Map (DFIRM) is an electronic version of the paper Flood Insurance Rate Map (FIRM) that can be displayed in a Geographic Information System (GIS) or other computerized mapping system.Įligible community or participating community means a community for which the Administrator has authorized the sale of flood insurance under the National Flood Insurance Program.Įxisting construction means for the purposes of determining rates, structures for which the start of construction commenced before the effective date of the FIRM or before January 1, 1975, for FIRMs effective before that date. ![]() After detailed ratemaking has been completed in preparation for publication of the flood insurance rate map, Zone A usually is refined into Zones A, AO, AH, A1–30, AE, A99, AR, AR/A1–30, AR/AE, AR/AO, AR/AH, AR/A, VO, or V1–30, VE, or V. ![]() Such flooding is characterized by ponding or sheet flow.Īrea of special flood hazard is the land in the floodplain within a community subject to a 1 percent or greater chance of flooding in any given year. ![]() Administrator means the Federal Insurance Administrator.Īgency means the Federal Emergency Management Agency, Washington DC.Īrea of shallow flooding means a designated AO AH, AR/AO, AR/AH, or VO zone on a community’s Flood Insurance Rate Map (FIRM) with a 1 percent or greater annual chance of flooding to an average depth of 1 to 3 feet where a clearly defined channel does not exist, where the path of flooding is unpredictable, and where velocity flow may be evident.
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