Water Resources

Army Corps of Engineers Hydrography Data

HYDRO1 (Elevation Data, Aspect, Flow Accumulation, Compound Topographic Index, Drainage Basins, Slope, Flow Direction, Streams)

Natural Resources Conservation Service

National Stream Quality Accounting Network Stations: Benchmark Stations

National Stream Quality Accounting Network Stations: Stations

National Water Quality Assessment Program: Study Unit Boundaries

Lower 48 Hyrdrologic Units at 1:250,000 Scale (HUC250)

1:2,000,000 Hydrologic Unit Map of the Conterminous United States (HUC2M)

Hydo-Climate Data Network (HCDN): Streamflow Data Set, 1874-1988

Large Reservoirs in the United States and Puerto Rico (RESERVOIR)

Line Coverage of Average Annual Runoff In The United States, 1951-1980

Streams from the National Atlas:


Stream Flow Basin Characteristics File, 1986


Last Update: Tuesday, 17-Jun-2003 11:15:50 EDT
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