The documentation for HEC-RTS consists of a User's Manual, which describes how to use the interface; and a Quick Start Guide, which provides help for users new to the program. Both documents are in PDF format and can be viewed online or downloaded. To view online or download individual chapters, go to the manual's individual page with the links below.

The HEC-RTS documentation is automatically installed during the setup of the program and can be accessed through the Help menu. To view the documentation without installing the program, you may use the links below.

User's Manual (CPD-96) Description of the use and application of the program.
Version 3.5.0, October 2025

Tutorials and Guides A list of instructional material to assist with using HEC-RTS. The instructional material includes example datasets and step by step instructions describing application of the HEC-RTS software.
HEC-RTS Tutorials and Guides

Release Notes Description of the changes that occurred at each new release including bug repairs, new capabilities, and changes in operation.
Version 3.5.0, October 2025
Known Issues A list of known issues in either HEC-RTS directly or a piece of software incorporated into HEC-RTS that impacts HEC-RTS.
Version 3.5.0, October 2025