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Welcome to the Water Resource Mission Area Data Themes!

Head to the main Water Resources Mission Area integrated data and tools catalog here.

Choose a Data Theme to explore here:

Catchment Attributes
A series of natural and man-made landscape feature datasets summarized to NHDPlus version 2 flowline catchments and their upstream watersheds.
Explore Theme
River Corridors
Discover USGS datasets on river corridors—fluvial systems of streams, floodplains, and wetlands linked by surface and groundwater through an interactive web viewer.
Explore Theme
Hydrologic Units
Explore four versions of hydrologic units, which define the surface water drainage extents for the United States.
Explore Theme