Irrigation in the Pacific Northwest

Parshall Flume

This calculator finds the flow rate for a Parshall Flume. A Parshall flume has particular dimensions. It can be identified by both a section that has a contraction in the width of the flume as well as a dip in the elevation of the bottom of the flume. The height change is the difference in height between the upstream and downstream water heights.

Learn more about the units used on this page.


Throat Width:
Width:
Height Change:
Flow Rate:

 

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