If you are looking for a simple way to water your lawn efficiently you are in the right place.  You don’t have to be a certified irrigation auditor, soil scientist, and lawn care specialist all wrapped into one.  Just use this sprinkler calculator below.  If you have multiple zones to calculate watering times for, use this Zone Worksheet to keep track.

This is a simplified schedule based on averages for the Spokane regional area. Small adjustments made over time to your watering schedule will help increase the efficiency of these recommendations.