
Hydrologic Unit Maps | U.S. Geological Survey - USGS.gov
May 10, 2021 · Each unit is identified by a unique hydrologic unit code (HUC) consisting of two to eight digits based on its classification. This site provides information and data for current and …
How can I find the HUC (Hydrologic Unit Code) for a stream? How …
Each drainage has a unique Hydrologic Unit Code (HUC). The most current national HU dataset is the Watershed Boundary Dataset (WBD). HUCs from other sources might be out of date or …
Watershed Boundary Dataset HUC 8s
The Watershed Boundary Dataset (WBD) is the official set of seamless hydrologic basins in the United States. It is a companion dataset to the National Hydrology Dataset (NHD). WBD is …
Hydrologic Units of the United States - USGS
Hydrologic units (HUs) represent the area of the landscape that drains to a portion of the stream network. More specifically, a hydrologic unit defines the areal extent of surface water drainage …
Watershed Boundary Dataset | U.S. Geological Survey - USGS.gov
It is a companion dataset to the National Hydrography Dataset (NHD) and a component of the NHDPlus High Resolution (NHDPlus HR). Explore the feature classes, attribute tables and …
Nonindigenous Aquatic Species
Each hydrologic unit is assigned a 2-digit to 12-digit number that uniquely identifies each of the six levels of classification within six two-digit fields. An example is shown below using hydrologic …
USA Watershed Boundary Dataset (HUC 2, 4, 6, 8, 10, 12)
Feb 16, 2019 · Watershed boundaries define the aerial extent of surface water drainage to a point. The intent of defining hydrologic units (HU) for the Watershed Boundary Dataset is to …
HUC 8 Watersheds - Data Basin
Jun 30, 2016 · Derived from 1:250,000-scale USGS HUC 8 boundaries, this dataset includes a suite of soil metric for use in landscape ecology studies.
HUC8 - CONUS Shapefile | CUAHSI HydroShare
Mar 7, 2019 · This resource contains a shapefile of HUC-8 (eight digit Hydrologic Unit Codes) for the Continental United States (CONUS). The Watershed Boundary Dataset (WBD) is a …
U.S. HUC 8 Watersheds - ArcGIS
Hydrologic Units at 8-digit, 10-digit, and 12-digit levels for the U.S. states bordering the Gulf of Mexico, along with 1:250000 scale basins and 1:1000000 scale subbasins for the Mexican …