National Hydrography

In 2021, we celebrate 20 years of NHD Newsletters! Read more about this and other happenings below.

Also check out the National Hydrography website, USGS YouTube Channel NHD Playlist, and follow The National Map on Twitter - @USGSTNM 

Newsletter subsription information: General Listserv Information Page or at https://listserv.usgs.gov/mailman/listinfo/national_hydrography_datasets_list

Meetings and Trainings through March 2021

The NSGIC/USGS Elevation-Derived Hydrography for the 3D National Hydrography Dataset (EDH for 3DNHD) project has kicked off with a series of webinars intended to explore state and regional EDH activities and to derive critical factors affecting the development of EDH and the integration of those data into the National Hydrography Dataset.

This year we mark 20 years of National Hydrography Dataset Newsletters! Jeff Simley distributed the first NHD Newsletter in November 2001. To celebrate how far we’ve come over this time, we’ll be sharing snapshots of our progress throughout the years in upcoming newsletters.

The Markup Reviewer tool is used by Stewards to review suggested changes to the NHD, WBD, and NHDPlus HR that are submitted through the Markup Application. For more information on suggesting changes to datasets through the Markup Application, please visit the...

NHDPlus High Resolution Beta Production Status

There's a new National Hydrography Dataset Listserv and fresh Newsletter look and feel!

Watershed Boundary Dataset (WBD) downloadable products will now only be created when the national database has been edited.

Meetings and Trainings Through December 2020

NHDPlus High Resolution Beta Production Status

NHDPlus High Resolution (NHDPlus HR) Beta datasets are now available for CONUS, Hawaii, U.S. Territories, and parts of Alaska.