National Hydrography

Resources

Find the resources you need to understand National Hydrography

Tools

Tools

Several tools are provided to assist with updating and using the NHD, WBD, and NHDPlus HR.

Explore Tools

Newsletters

Newsletters

The National Hydrography Dataset newsletters keep the National Hydrography community apprised of recent developments and news. Read or contribute to it today!

Read

Additional User Resources

Can't find a resource you need? Contact nhd@usgs.gov

Hydrography Seminar Series

Fact Sheet: National Hydrography Dataset—Linear Referencing

Contacts

National Hydrography Support

Support for NHD, WBD, & NHDPlus HR
National Geospatial Program (NGP)