National Cartography and Geospatial Center

Products & Services

Watershed Boundary Dataset (WBD) Tools

Geodatabase Tools

These custom Watershed Tools from ESRI assist with Hydrologic Unit Delineation and Attribution in the Geodatabase format. Please be aware that these tools are not supported by the ESRI or NCGC helpdesk if technical problems occur with the installation or use of these tools.

These documents are Compressed Zip files or may require Adobe Acrobat.

WBD Introduction to Tools and Tutorial (PDF; 29 KB)
WBD Tools Tutorial (ZIP; 23.6 MB)
WBD Tools for ArcGIS 9.1 (ZIP; 31.4 MB) (Password required)
WBD Tools for ArcGIS 9.2 (ZIP; 8.27 MB) (Password required)

ArcInfo AML Scripts

The Watershed Tools assist with Hydrologic Unit Delineation and Attribution in the Arc coverage format.

These documents are Compressed Zip files.
Watershed Tools (ZIP;60 KB)

The Watershed Tools file contains the following AMLs and scripts:
File Name	Description
huclevel.aml	ArcEdit AML that will assign proper huc_level attributes to every arc in a coverage
huc_levelqc.aml	ArcEdit AML that will check proper huc_level attribute values
within.ave	ArcView Avenue script from the Bureau of Land Management for HU delineation
Reo_ws1.avx	ArcView extension from Bureau of Land Management for HU delineation
dshuccalc.aml	ArcEdit AML that calculates the downstream 10-digit HU from the downstream list
dslist.aml	ArcEdit AML that writes a 10-digit HU downstream list
describeall.aml	Arc AML that performs the "describe" and "item" commands on a user specified coverage
checkdata.aml	Arc AML that checks a user specified coverage and workspace for dangle, node, and label errors
huc_codesqc.aml	ArcEdit AML that verifies the HUC_8, HUC_10, and HUC_12 codes against each other

Last Modified: 05/11/2007