To download and install Arc Hydro Tools for ArcGIS 10.7 , you must ensure you select the specific version compatible with your ArcMap installation. Arc Hydro for ArcMap and Arc Hydro for ArcGIS Pro are separate installations that can coexist on the same machine. GitHub Pages documentation Prerequisites & Requirements ArcMap 10.7 : Ensure ArcGIS Desktop 10.7 is fully installed. License Level : While most vector tools work with a Basic license, an Advanced license is recommended to leverage all capabilities. Spatial Analyst Extension : This extension is for all tools involving raster processing. Administrator Privileges
Delineating watersheds, streams, and catchment areas.
Most of the tools are accessible via the Arc Hydro toolbar, where they are organized into six menus and nine tools. Additional tools have been developed within the geoprocessing environment and are available in the Arc Hydro toolbox for use in both ArcMap and ArcCatalog.
| Issue | Solution | |-------|----------| | Installer fails | Ensure .NET 4.5+ is installed. Reinstall ArcGIS 10.7 first. | | Toolbar missing | Enable extension in Customize → Extensions → Arc Hydro | | License error | Arc Hydro requires ArcGIS Advanced (ArcInfo) license for full functionality | | 64-bit conflict | Arc Hydro for ArcGIS 10.7 is 32-bit only – works with ArcMap, ArcGIS Pro |
Automated workflows to identify drainage basins and stream networks.
Esri maintains an archived directory of Arc Hydro builds categorized by ArcGIS version numbers. Look specifically for the ArcHydroGen2 folder containing versions labeled 10.7.x .
