However, because no Base Flood Elevations (BFEs) or depths are shown, these are often referred to as 'Unnumbered A Zones' or 'Approximate A Zones'. Zone A: These are areas subject to inundation by the 1-percent-annual-chance flood event.In addition to the most common flood zones, which are listed above, there are some additional flood zones as well, below are a few of them: Additional information about FEMA flood maps and flood zones can be accessed at. Collaborating with a professional Land Surveyor can yield valuable insights into this subject matter. The actual concern lies in identifying which flood zone your property is in and comprehending the associated risk level. It's crucial to remember that every property finds itself situated within a flood zone. This zone is seen as carrying a minimal risk of flooding. Zone X (Unshaded): An unshaded Zone X indicates an area that harbors less than a 0.2% chance of flooding each year, thereby earning it the title of the 500-year flood plain.Typical shaded Zone X areas include those shielded by a levee, or relatively flat areas adjacent to Zone AE, possessing less than 1 foot of drainage depth per square mile. These locales are perceived as bearing a moderate risk of flooding. These regions lie between the boundaries of the 100-year and the 500-year flood plains. Zone X (Shaded): A shaded Zone X represents an area that encounters a 0.2% to 1% chance of flooding annually.Over the lifespan of a 30-year mortgage, the property located here has a 26% chance of being subjected to a flood. These territories are deemed to be at high risk of flooding. Zone AE: An area demarcated as Zone AE possesses a 1% probability of experiencing a flood annually, thus earning it the label, the "100-year flood plain".FEMA's flood maps delineate zones that are further subdivided into distinct areas. Each tract of land is meticulously mapped and categorized into a specific flood zone. Flood zones are geographical areas delineated by the Federal Emergency Management Agency (FEMA).
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