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The official report provided by the Federal Insurance Administration. The report contains flood profiles, water surface elevation of the base flood and includes the Flood Boundary and Floodway Map and Flood Insurance Rate Map.
The area of land below the 1 in 100 year flood elevation as shown on the Flood Risk Map.
A flood which may occur in any given year, of such magnitude as to equal a flood having a 200 year-recurrence interval, based on a frequency analysis of unregulated historic flood records or by regional analysis where there is inadequate streamflow data available. Where the flow of a larger watercourse is controlled by a major […]
The area, usually lowlands, adjoining the channel of a river, stream or watercourse which has been or may be covered by flood water during a regional flood or a one-in-one-hundred year flood. The area below the one in one hundred year flood line as established by the Conservation Authority or other designated Authority. Floodplain or […]
The required minimum distance from the natural boundary of a watercourse, lake or other body of water to any landfill or structural support required to elevate a floor system or pad above the flood level, so as to maintain a floodway and allow for potential land erosion.
The area adjacent to a lake which would be flooded by high water levels and/or water build up caused by high winds.
Structural changes and/or adjustments incorporated into the basic design and/or construction or alterations of individual buildings, structures or properties to protect them from flood damage. Any combination of structural and non structural additions, changes or adjustments to structures which reduces or eliminates flood damage to real estate or improved real property, water and sanitary facilities, […]
The channel of a river or other watercourse and the adjacent land areas that must be reserved in order to discharge the 100-year flood without cumulatively increasing the water surface elevation more than one foot at any point. That portion of the Flood Risk Area which contains the stream channel and adjacent areas of the […]
All that land in a floodplain not lying within a delineated floodway. Land within a floodway fringe is subject to inundation by relatively low velocity flows and shallow water depths.
A term referring to water occurring below the soil surface that is held in the soil itself; subsurface water, or water stored in the pores, cracks and crevices in the ground below the water table; and water occurring in the zone of saturation below the earth’s surface. An underground zone of porous or fractured rock […]
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