Arc Hydro Documentation
Arc Hydro versions available
|ArcGIS Version||Arc Hydro Version|
Use ArcGIS Pro 2.3.0 or later. Earlier versions have issues with some of the Spatial Analyst tools.
You need to download the following patch for ArcGIS 10.7.1 Spatial Analyst:
You need to download the following patches:
You need to download the Stream Link patch for ArcGIS 10.4.1:
Esri Water Resources Team