Irrigation. Typically, water is applied each year from April through October. Thirty-three acre-inches of
district water, delivered via canal, is applied to the orchard at a cost of $129.00 per acre-foot or $10.75 per acreinch.
Water costs are highly variable among districts. From grower and district information, costs may go over
$160 per acre-foot. The irrigation operation costs include the water and labor. Irrigation labor includes
operating and monitoring the system. No assumption is made about effective rainfall, runoff, and evaporation.