Irrigation in the Pacific Northwest

Required Maximum Flow Rate

This form calculates the flow rate onto a specified area to meet the maximum water use rate requirements of a particular crop. An alternative is to calculate the flow rate from needed application depth and time instead of the maximum use rate.

Learn more about the units used on this page.

Maximum Use Rate:
Irrigation Efficiency:
Required Maximum Flow Rate:


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