This data set is a complete digital hydrologic unit boundary layer of the Basin (6-digit) 3rd 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.nrcs.usda.gov/wps/portal/nrcs/detail/national/water/watersheds/?cid=nrcs143_021630 . 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. The data is currently updated through the USGS National Hydrography Dataset (NHD) Program and replicated to NRCS twice per year.
L o a d i n g
Overview
Additional Information
KeyValue
Data Collection Contact Email
Data Collection Contact Name
Data Collection Organization
Data Collection Procedures
Data Owner Contact Emailkenneth.becker@ftw.usda.gov
Data Owner Contact NameKen Becker
Data Owner Organization U.S. Department of Agriculture
Data Qaqc Contact Email
Data Qaqc Contact Name
Data Qaqc Organization
Data Quality Procedures
Dataset AssuranceUNKNOWN
Funding Agency Contact Email
Funding Agency Contact Name
Funding Agency Organization
Harvest Object Id42c049aa-524a-46c8-b8b9-036db3381ce5
Harvest Source Id05a17fd2-8f32-45f9-af96-53ea74d57aac
Harvest Source TitleNew Mexico Water Data
Ib1 Trust Framework[]
Known Uses Of Data
Sensitivity ClassUNKNOWN
Trust FrameworkUNKNOWN