|HEC-ResSim has been developed for the U.S. Army Corps of Engineers. However, software developed at the Hydrologic Engineering
Center is made available to the public whenever appropriate. Use is not restricted and individuals outside of the Corps of Engineers may use the program without charge. HEC will not provide user
assistance or support for this software to non-Corps users. Downloading this software indicates full acceptance of your responsibility in the use of this program. Please see
the distribution policy for more details.
The setup packages include HEC-ResSim 3.1, Documentation, and Example Watersheds.
Download HEC-ResSim 3.1 Setup Package (67.9 MB)
Download HEC-ResSim 3.1
64-bit Setup Package (64.7 MB)
If you're using a 64-bit version of Windows with more than 4GB of RAM it's
recommended that you use the 64-bit version of HEC-ResSim. It allows HEC-ResSim
to use more RAM which can improve compute times and data visualization
Supported Operating Systems:
Windows XP, Vista, 7, 8, and 8.1 both 32-bit and 64-bit
Download HEC-HEC-ResSim 2.0