Irrigation in the Pacific Northwest

Residential Calculators

Drip Design for Landscapes: Determine how much water to apply to individual plants with drip emitters.

Garden Hose Flow Rate Calculate the flow rate and application time for a garden hose, based on hose size and supply pressure.

Lawn Water Management Find the application depth and operation time for a specific grass type, precipitation rate, and daily water use. Also provides suggested application depths and operation times for multiple water periods.

Tree Water Management Find a watering period and water quantity for a tree type, tree spread diameter, and daily water use. The results give a suggested water management schedule for watering periods and a corresponding water quantity.

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A row of rose bushes in WSU Prosser's rose garden





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