U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


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Hydraulic Engineening

Hydrology and Floodplains

Hydrology is the scientific study of water's properties, distribution, and effects on the earth's surface and atmosphere. This site includes information concerning precipitation, surface and ground water runoff, and floodplains (including FEMA regulated floodplains).


First and second photos: credit NOAA
Updated: 12/18/2014
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000