NHD Feature Catalog


About the NHD Feature Catalog

This Document explains the features, tables, and relationship classes that come with the National Hydrography Dataset (NHD) and Watershed Boundary Dataset (WBD). To get started, expand the folders in the Table of Contents. The Feature Catalog also explains how NHD features relate to the real world.


To get started



Included with the Feature Catalog is a data dictionary that explains the attributes associated with each Feature Type, Feature Templates that provides in depth details on each feature.



See NHDLine Data Dictionary

See NHDWaterbody Data Dictionary

See NHDPoint Data Dictionary

See NHDFlowline Data Dictionary

See NHDArea Data Dictionary

See WBD Data Dictionary


Coming Soon to the Feature Catalog: Content on Relationships, Feature Level Metadata, and Tables.


Note: Feature Images and Photographs are not necessarily representing the same feature. They are representing the same feature type.