USBR logo

ARS logo
ARS logo

Arid-Land Agricultural
Research Center

ILRI logo

International Institute for Land Reclamation & Improvement (Alterra-ILRI)

New Program Release!

WinFlume, version 2.0, was released in 2020 and can be downloaded from the U.S. Department of Agriculture's
Agricultural Research Service website (scroll down to their "WinFlume 2.0" section to download.)

WinFlume is a windows-based computer program used to design and calibrate long-throated flume and broad-crested weir flow measurement structures.  The software was developed through the cooperative efforts of the Bureau of Reclamation, Agricultural Research Service, and the International Institute for Land Reclamation & Improvement.  Primary funding for WinFlume's development has come from Reclamation's Water Conservation-Field Services Program.

License Information

WinFlume was developed by the Federal Government and is in the public domain.

Download the Software

Download WinFlume 2.0 (written for Windows 10!) from the USDA Agricultural Research Service, released 2020.

Download the legacy version, WinFlume 1.0006, released August 22, 2014.

See list of WinFlume revisions, from version 1.0 to 1.0006.

Useful Related Tools and Information

  • New!   Wall Gage CreatorThis stand-alone program allows users to create flow-graduated staff gages for any hydraulic structure for which a rating table or rating equation is known. If you want to create WinFlume-style gages for other kinds of structures, check this out.
  • Excel spreadsheets for estimating construction quantities of several common configurations of flumes and broad-crested weirs. Quantities may be estimated in English or metric units.
  • Standard DesignsThis paper provides precomputed standard-design structures for typical small to medium canals.

User's Manual

  • A user's manual in Adobe Acrobat (PDF) format is included in the setup kit. This file can be viewed on screen or printed to produce a hard-copy manual. If you do not already have the Adobe Acrobat Reader installed on your system, you may download it from the Adobe website.
  • El software se escribe en inglés, pero un manual de usuario en español está disponible.
  • The software is written in English, but a user's manual in Spanish is available.


More Information

Last Updated: 8/8/21