![]() ![]() These zones are shown on the FIRM as shaded "X" zones.Īnnual Probability of Flooding of Less than 0.2%Īreas outside the 500-year flood plain with less than 0.2% annual probability of flooding.Īnnual Probability of Flooding of Less than 1%Īreas outside a "Special Flood Hazard Area" (or 100-year flood plain). ![]() This is an area inundated by 1% annual chance flooding for which no base flood elevations have been determined.Īnnual Probability of Flooding of 0.2% to 1%Īreas between the limits of the 100-year and 500-year flood or certain areas subject to 100-year flood with average depths less than 1 foot or where the contributing drainage area is less than 1 square mile or areas protected by levees from the 100-year flood. This area has been delineated based on available information on past floods. No distinctions have been made between the different flood hazard zones that may be included within the SFHA.Īn area designated as a "Flood Prone Area" on a map prepared by USGS and the Federal Insurance Administration. Base flood elevation determined.Īreas in a "Special Flood Hazard Area" (or 100-year flood plain). Base flood elevation undetermined.īoth VE and V1-V30 represent areas subject to 100-year flood and additional velocity hazard (wave action). Subject to 100-year flood and additional velocity hazard (wave action). Subject to 100-year flood, with federal flood protection system (levee/dam) under construction. Subject to 100-year shallow flooding (usually sheet flow on sloping terrain) with average depth of 1-3 feet. Subject to 100-year shallow flooding (usually areas of poundings) with average depth of 1-3 feet. Base flood elevation undetermined.īoth AE and A1-A30 represent areas subject to 100-year flood with base flood elevation determined. ![]()
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