What Is a Flood Risk Assessment?


Quick Answer

A flood risk assessment evaluates an area for its potential to experience flooding and damage within 100-year flood zones that governments designate, according to ArcGIS. Flood risk assessment maps show natural and man-made features, including bodies of water, dams and levees, medical centers, city and county boundaries, and population distribution.

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What Is a Flood Risk Assessment?
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Full Answer

Interactive flood risk assessment maps also show flooding stage and gage heights, locations of schools and emergency medical services, and parcels of land within the Federal Emergency Management Agency 100-year flood zones, notes ArcGIS. Map users can use the find box to locate specific addresses. In the United States, flooding is the natural disaster that causes more losses than any other occurrence, according to the U.S. Geological Survey. The assessment maps help governments and communities create disaster preparedness, emergency and recovery plans.

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