US Army Corps of Engineers
Hydrologic Engineering Center

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HEC-HMS

HEC-HMS 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.

Windows

The Windows setup package contains HEC-HMS 4.6.1. After starting the program, Documentation and Sample projects are available from the Help menu. HEC-HMS 4.6.1 has been tested on Windows 10 64-Bit.

Primary Download Site:
Download HEC-HMS 4.6.1 for Windows (151 MB) [Release Notes]
Download HEC-HMS 4.6.1 Portable Version (171 MB) [Release Notes]

Alternate Download Site:
Download HEC-HMS 4.6.1 for Windows (151 MB) [Release Notes]
Download HEC-HMS 4.6.1 Portable Version (171 MB) [Release Notes]

Beta Version:

Download HEC-HMS 4.7 Beta (218 MB) [Release Notes]

Archived Versions:
Download HEC-HMS 4.6 for Windows (151 MB) [Release Notes]
Download HEC-HMS 4.6 Portable Version (171 MB) [Release Notes]
Download HEC-HMS 4.5 for Windows (106 MB) [Release Notes]
Download HEC-HMS 4.5 Portable Version (123 MB) [Release Notes]
Download HEC-HMS 4.4.1 for Windows (108 MB) [Release Notes]
Download HEC-HMS 4.4.1 Portable Version (121 MB) [Release Notes]
Download HEC-HMS 4.4 for Windows (107 MB) [Release Notes]
Download HEC-HMS 4.4 Portable Version (121 MB) [Release Notes]
Download HEC-HMS 4.3 for Windows (182.0 MB) [Release Notes]
Download HEC-HMS 4.3 Portable Version (165.0 MB) [Release Notes]
Download HEC-HMS 4.2.1 for Windows (135.0 MB) [Release Notes]
Download HEC-HMS 4.2 for Windows (129.0 MB) [Release Notes]
Download HEC-HMS 4.1 for Windows (127.0 MB) [Release Notes]
Download HEC-HMS 4.0 for Windows (74.0 MB) [Release Notes]
Download HEC-HMS 3.5 for Windows (57.0 MB) [Release Notes]
Download HEC-HMS 3.4 for Windows (65.8 MB) [Release Notes]
Download HEC-HMS 3.3 for Windows (46.9 MB) [Release Notes]
Download HEC-HMS 3.2 for Windows (46.8 MB) [Release Notes]
Download HEC-HMS 3.1.0 for Windows (46.7 MB) [Release Notes]
Download HEC-HMS 3.0.1 for Windows (26.0 MB) [Release Notes]
Download HEC-HMS 3.0.0 for Windows (28.9 MB) [Release Notes]
Download HEC-HMS 2.2.2 for Windows (10 MB) [Release Notes]
Download HEC-HMS 2.2.1 for Windows (10 MB) [Release Notes]
Download HEC-HMS 2.2.0 for Windows (10 MB) [Release Notes]
Download HEC-HMS 2.1.3 for Windows (10 MB) [Release Notes]
Download HEC-HMS 2.1.2 for Windows (10 MB) [Release Notes]
Download HEC-HMS 2.1.1 for Windows (10 MB) [Release Notes]

Linux

The Linux setup package (gzip compressed tar format) contains HEC-HMS 4.6.1. After starting the program, Documentation and Sample projects are available from the Help menu.

HEC-HMS 4.6.1 has been tested on Ubuntu 18.04.4. A shell script has been included in the set up package to install dependencies. The Release Notes include the commands that can be used to configure the dependencies.

Current Version:
Download HEC-HMS 4.6.1 for Linux (144 MB) [Release Notes]

Beta Version:

Download HEC-HMS 4.7 Beta (157 MB) [Release Notes]

Archived Versions:
Download HEC-HMS 4.6 for Linux (144 MB) [Release Notes]
Download HEC-HMS 4.5 for Linux (247 MB) [Release Notes]
Download HEC-HMS 4.4.1 for Linux (102 MB) [Release Notes]
Download HEC-HMS 4.2.1 for Linux (161 MB) [Release Notes]
Download HEC-HMS 4.2 for Linux (163 MB) [Release Notes]
Download HEC-HMS 4.1 for Linux (157 MB) [Release Notes]
Download HEC-HMS 4.0 for Linux (96.8 MB) [Release Notes]
Download HEC-HMS 3.5 for Linux (65.8 MB) [Release Notes]
Download HEC-HMS 3.4 for Linux (67.6 MB) [Release Notes]

macOS

The zip archive contains a portable version of HEC-HMS 4.6.1. After starting the program, Documentation and Sample projects are available from the Help menu.

HEC-HMS 4.6.1 has been tested on macOS Mojave and macOS Catalina. Launch HEC-HMS by running the hec-hms.sh script.

Current Version:
Download HEC-HMS 4.6.1 (147 MB) [Release Notes]