In the summer about 238 gallons of water is used per household watering their lawns.
About 66% of all water use in each household comes from watering the lawn. Depending on the weather during the summer, this number can vary. With lots of cloudy days, the amount of water per yard will be very low (around 10 gallons per yard). However, very hot and dry summers can cause lawns to use close to 125 gallons!