HEC-RAS 4.0:

This setup package includes HEC-RAS 4.0, Documentation, and Example Projects.

Important:
During the installation of HEC-RAS 4.0, HEC-RAS 4.0 Beta will be automatically removed.

If you would like to continue using HEC-RAS 4.0 Beta, please download an updated installation package below. There are known issues with the original HEC-RAS 4.0 Beta installation package that will conflict with HEC-RAS 4.0.

HEC-RAS 4.0 Setup Package (45.4 MB)
Primary Download Site | Alternate Download Site

Supported Operating Systems:
Windows XP 32-bit/64-bit and Windows Vista 32-bit/64-bit.
 

HEC-RAS 4.0 Documentation:

Release Notes
What's New

Archived Versions:

Download HEC-RAS 4.0 Beta (35.6MB)
Download HEC-RAS 3.1.3 (39.7MB)
Download HEC-RAS 3.1.1 (19MB)
Download HEC-RAS 2.2 (8MB)

HEC-GeoRAS 4.2.92 for ArcGIS 9.2

This package will install HEC-GeoRAS 4.2.92 and all it's pre-requisites automatically.

ArcGIS 9.2 (ArcView license) with the 3D Analyst and Spatial Analyst extensions are required.

Install Package (10.9MB) - Primary Download Site | Alternate Download Site
User’s Manual (4.45MB)

HEC-GeoRAS Example Data Sets

Examples: [What are these datasets?]
    - Wailupe Import Example (6.7MB) | Alternate Download Site
    - Baxter Example (120MB) | Alternate Download Site
    - Baxter Example No Mapping (23.6MB) | Alternate Download Site
    - Terrain Tiles Example (15.2MB) | Alternate Download Site

Windows

The Windows setup package contains HEC-HMS 3.4. After starting the program, Documentation and Sample projects are available from the Help menu.

HEC-HMS 3.4 has been tested on Windows XP and Windows Vista. It is primarily designed for 32-bit but has been tested on the 64-bit versions of both operating systems.

HEC-HMS 3.4 for Windows (65.8 MB) [Release Notes]
Primary Download Site | Alternate Download Site

Archived Versions:

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]

Solaris (64-Bit SPARC)

The gzip'ed tar package contains HEC-HMS 3.3. After starting the program, Sample projects are available from the Help menu.

HEC-HMS 3.3 for Solaris (71.2 MB) [Release Notes]
Primary Download Site | Alternate Download Site

Archived Versions:

Download HEC-HMS 3.2 for Solaris (69.1 MB) [Release Notes]

Linux (32-Bit x86)

The gzip'ed tar package contains HEC-HMS 3.3. After starting the program, Sample projects are available from the Help menu.

This is the maiden release for the Linux platform. Please provide feedback to guide future development for this platform.

HEC-HMS 3.3 for Linux (56.9 MB) [Release Notes]
Primary Download Site | Alternate Download Site

HEC-GeoHMS 4.2.93 for ArcGIS 9.3

This install package will install HEC-GeoHMS 4.2.93 and all it's pre-requisites automatically.

ArcGIS 9.3 with the Spatial Analyst extensions are required.

Coming Soon

HEC-GeoHMS 4.2.92 for ArcGIS 9.2

This install package will install HEC-GeoHMS 4.2.92 and all it's pre-requisites automatically.

ArcGIS 9.2 with the Spatial Analyst extensions are required.

Install Package (23.6MB) - Primary Download Site | Alternate Download Site
User’s Manual (7.57MB)

HEC-GeoHMS Example Data Set

HEC-SSP 1.1

The Windows setup package contains HEC-SSP 1.1 , the User’s manual, and example data. Both the User’s manual and the example data are accessible from the Help menu of the HEC-SSP software.

The HEC-SSP User’s manual is provided in the Adobe Acrobat (.pdf) format. You must use Adobe Acrobat Reader 7.0 or later to properly view these files. To download a free version of the Adobe Acrobat Reader, go to the Adobe Acrobat web site.

HEC-SSP 1.1 for Windows (50.7MB) [Release Notes]
Primary Download Site | Alternate Download Site

Archived Versions:

Download HEC-SSP 1.0 for Windows (41.7MB) 
Download HEC-SSP 1.0 Beta for Windows (25.2MB)

HEC-RPT 1.1

The Windows setup package contains version 1.1 of HEC-RPT. After installation, the program’s Help menu will provide access to the User’s Manual and the demonstration project.

HEC-RPT 1.1 for Windows (37.3MB) [Release Notes]
Primary Download Site | Alternate Download Site

Archived Versions:

Download HEC-RPT 1.0 for Windows (29.2MB)

HEC-ResSim 3.0

This setup package includes HEC-ResSim 3.0, Documentation, and Example Watersheds.

HEC-ResSim 3.0 Setup Package (40.3MB)
Primary Download Site | Alternate Download Site

HEC-ResSim 3.0 Release Notes
 

Archived Versions

Download HEC-ResSim 2.0

HEC-EFM 1.0

The Windows setup package contains version 1.0 of HEC-EFM. After installation, the program’s Help menu will provide access to the Quick Start Guide and the demonstration project.

HEC-EFM 1.0 for Windows (8.12MB)
Primary Download Site | Alternate Download Site

HEC-FDA 1.2.4

The Windows setup package contains HEC-FDA Version 1.2.4 and example data.  The example data will be installed in sub-folders underneath the software installation folder. The User's Manual is available from the Documentation page.

The HEC-FDA User’s Manual is provided in the Adobe Acrobat (.pdf) format. You must use Adobe Acrobat Reader 7.0 or later to properly view these files. To download a free version of the Adobe Acrobat Reader, go to the Adobe Acrobat web site.

HEC-FDA Version 1.2.4 for Windows (3.4MB)
Primary Download Site | Alternate Download Site

Windows (32-Bit x86)

Release Version:

The Windows setup package contains:

• HEC-DSSVue 1.2.10

• The latest version of the User’s Manual

• All available plug-ins as of September 18, 2006

• A sample DSS file

This package includes a modified USGS plug-in that reflects a September 2006 format change in the USGS NWIS website. See the plug-ins page for more details.

Note:
Previous installations of HEC-DSSVue will be automatically removed.

HEC-DSSVue 1.2.10b for Windows (27.7 MB) [Release Notes]
Primary Download Site | Alternate Download Site

Linux (32-Bit x86)

Release Version:

The gzip'ed tar package contains HEC-DSSVue 1.2.10, a sample DSS file, as well as the Java runtime.

This release of HEC-DSSVue has been built and tested on Red Hat Enterprise Linux WS 3.

Download HEC-DSSVue 1.2.10 for Linux (32.6 MB) [Release Notes, Install Instructions]

Note:
When downloading the above file with Internet Explorer on Windows XP, the filename is changed to HEC-DSSVue1210_Linux.tar.tar, which is incorrect. The correct file name should be HEC-DSSVue1210.tar.gz which represents a tar file that is compressed in a gzip package. It is recommended the file be renamed to the correct name once it has been downloaded.

Solaris (64-Bit Sparc)

Release Version:

The gzip'ed tar package contains HEC-DSSVue 1.2.10, a sample DSS file, as well as the Java runtime.

Download HEC-DSSVue 1.2.10 for Solaris (31.2 MB) [Release Notes, Install Instructions]

Note:
When downloading the above file with Internet Explorer on Windows XP, the filename is changed to HEC-DSSVue1210_Solaris.tar.tar, which is incorrect. The correct file name should be HEC-DSSVue1210.tar.gz which represents a tar file that is compressed in a gzip package. It is recommended the file be renamed to the correct name once it has been downloaded.

HEC-ResSim 3.0

A number of different documents have been created to describe the use and technical background of HEC-ResSim.

• Release Notes 3.0 Apr 2007

• Quick Start Guide 3.0 Apr 2007

• User's Manual 3.0, Apr 2007

Extras

Extra documentation meant to help users with specific needs outside of HEC-ResSim's built-in capabilities.

• How to backup HEC-ResSim Watersheds

• Cleaning up an HEC-ResSim Watershed

Archived Versions

Old versions of HEC-ResSim documentation.

Release Notes:

• Version 2.0, Sep 2003

Quick Start Guide:

• Version 2.0, Sep 2003

User's Manual:

• Version 2.0, Sep 2003