![]() Note that there is only partial coverage of 100-year flood mapping in New York State. If mapping coverage is available and the project site is not located in the 100-year floodplain, the EAF Mapper will check "no" on the form. If the project site is located in a 100-year floodplain, the EAF Mapper will check "yes" on a pdf of the SEAF. The answer to this question will be automatically inserted on the PDF generated by the EAF Mapper. On the FIRM, these areas are shaded and labeled with the letter "A" or "V" sometimes followed by a number or letter. The 100-year floodplain is called a Special Flood Hazard Area and is shown on federal flood maps, known as Flood Insurance Rate Maps (FIRM). Coupled with changing weather patterns, this construction can make floods more severe and increase everyone's chance of being flooded.Ī 100-year floodplain is the area that would be inundated by the 100-year flood, better thought of as an area that has a one percent or greater chance of experiencing a flood in any single year. But more and more buildings, roads, and parking lots are being built where forests and meadows used to be which decreases the land's natural ability to store and absorb water. Natural floodplains add to our quality of life by providing open space, habitat for wildlife, fertile land for agriculture, and opportunities for fishing, hiking, and biking.įloodplains can be viewed as a type of natural infrastructure that can provide a safety zone between people and the damaging waters of a flood. When left in a natural state, floodplain systems store and dissipate floods without adverse impacts on humans, buildings, roads, and other infrastructure. ![]() ![]() Is the project site located in the 100 year flood plain? Background Informationįloodplains are low-lying lands next to rivers and streams.
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