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Flood Inundation Mapper

March 4, 2019

USGS Flood Inundation Maps, along with Internet information regarding current stage from the USGS streamgage, provide emergency management personnel and residents with information that is critical for flood-response activities, such as evacuations and road closures, as well as for post-flood recovery efforts.

Screenshot of the new USGS Flood Inundation Mapper
Screenshot of the new USGS Flood Inundation Mapper. This screenshot was taken during Minor Flooding Stage (National Weather Service) in Old Shawneetown, Illinois, on April 7, 2020.