Irrigation in the Pacific Northwest

Set Times

Use this form to determine the set time required to fulfill a given water application, irrigation area, and flow rate.


Learn more about the units used on this page.


Net Water Application:
System Efficiency:
%
Irrigated Area:
Flow Rate:
Set Time:

 

 

The Equation

This is the formula this calculator uses to determine the set times for an irrigation system.

Where:

= Set Time (hr)

= Net water application (in)

= Irrigated area (acres)

= Flow Rate (gpm)

= System efficiency

 

WSU Prosser - IAREC, 24106 N Bunn Rd, Prosser WA 99350-8694, 509-786-2226,