CoreLogic Continuously Tracks FEMA Map Changes

Flood hazard conditions are dynamic and flood maps do not always reflect recent development and/or natural changes that may occur which impact flood risk in areas. It is for this reason that flood maps must be periodically updated by FEMA in order to reflect changes to the floodplains that result from community growth, development, erosion, and other factors. A study conducted by the General Accounting Office during 2003-2004 revealed that 70% of the nation's flood maps were more than 10 years old and that many current maps contained inaccurate flood data. These findings prompted FEMA to launch a multi-year, Presidential initiative supported by Congress called the Map Modernization (Map Mod) Program.

Map Modernization Updates
Provides useful information regarding FEMA's past, present and future map revisions.
Map Updates.pdf

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