Description
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "Federal Guidelines, Requirements, and Procedures for the National Watershed Boundary Dataset; Chapter 3 of Section A, Federal Standards, Book 11, Collection and Delineation of Spatial Data; Techniques and Methods 11-A3" (04/01/2009). http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/index.html . Polygons are attributed with hydrologic unit codes for 4th level sub-basins, 5th level watersheds, 6th level subwatersheds, name, size, downstream hydrologic unit, type of watershed, non-contributing areas and flow modification.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| ARC Export | Unknown | Open resource | |
| Download | Unknown | The URL providing direct access to the downloadable dataset. | Open resource |
| Home Page | Unknown | Alternative landing page used to redirect user to a contextual, Agency-hosted "homepage" for the Dataset or API | Open resource |
| Documentation | Unknown | URL for accessing related documents such as data dictionary, technical information about a dataset, developer documentation, etc. | Open resource |
Tags
- 12-digit hucs
- alabama
- alaska
- arizona
- arkansas
- basin
- boundaries
- california
- colorado
- connecticut
- delaware
- ecology
- ecosystem
- ecosystem services
- enviroatlas
- environment
- environmental atlas
- florida
- georgia
- hawaii
- huc
- huc12
- hydrologic unit code
- hydrologic units
- idaho
- illinois
- indiana
- iowa
- kansas
- kentucky
- louisiana
- maine
- maryland
- massachusetts
- michigan
- minnesota
- mississippi
- missouri
- modeling
- montana
- natural resources
- nebraska
- nevada
- new hampshire
- new jersey
- new mexico
- new york
- north carolina
- north dakota
- ohio
- oklahoma
- oregon
- pennsylvania
- region
- rhode island
- south carolina
- south dakota
- sub-basin
- sub-region
- subwatershed
- surface water
- tennessee
- texas
- united states
- united states of america
- usa
- utah
- vermont
- virginia
- washington
- washington dc
- water
- watershed
- watershed boundaries
- watershed boundary dataset
- wbd
- west virginia
- wisconsin
- wyoming