By following this guide, you can successfully set up this exclusive and powerful tool. Happy modeling
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page lists version 10.2 as the last officially tested version. ArcGIS 10.8 Compatible Version : Users often download the 10.8-specific setup from the Esri ArcHydro FTP/Downloads site, which hosts newer community versions. Hydrologic Engineering Center (.mil) 2. Prerequisites ArcGIS Desktop (ArcMap) 10.8 : Must be already installed. Extensions Spatial Analyst 3D Analyst extensions licensed and enabled. Arc Hydro Tools download hec geohms for arcgis 108 exclusive
: You must have the Spatial Analyst and 3D Analyst extensions enabled within ArcMap under Customize > Extensions .
| Step | Action | |------|--------| | ✔️ | ArcGIS 10.8 (or 10.8.1) installed with Spatial Analyst | | ✔️ | Microsoft .NET Framework 4.5+ present | | ✔️ | Downloaded from downloads.esri.com/archydro/ | | ✔️ | Uninstalled any old GeoHMS/GeoRAS/ArcHydro versions | | ✔️ | Installed Arc Hydro Tools 10.8.0.34 (optional but recommended) | | ✔️ | Installed HEC‑GeoHMS as Administrator | | ✔️ | Restarted the computer | | ✔️ | Verified HEC‑GeoHMS toolbox appears in ArcMap | | ✔️ | Projected DEM into a local coordinate system | | ✔️ | Set the ArcMap workspace and scratch workspace to local folders (not network drives) | By following this guide, you can successfully set
HEC-GeoHMS is an extension for ESRI’s ArcGIS Desktop (ArcMap) that uses digital terrain data to create hydrologic input files for the HEC-HMS model.
As of April 2021, with the release of , the U.S. Army Corps of Engineers discontinued active development, testing, and support for HEC-GeoHMS. The development team has shifted its resources to improving and adding GIS capabilities directly into the HEC-HMS software itself. page lists version 10
Click the download link for the (typically delivered as a .msi or .exe installer inside a compressed .zip folder).
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