Use your dishwasher Washing dishes by hand can use more than 20 gallons of water while a dishwasher only uses 15 gallons or less.
Install a water and energy efficient dishwasher
Save 3 to 8 gallons per load (as well as save energy) with an Energy Star® or Water Sense® labeled dishwasher.
Run a full load Try to reduce the number of loads per week and only run the dishwasher when completely full.
Scrape your plates instead of rinsing Newer dishwashers clean more thoroughly than older ones. As a bonus, compost your plant food waste and enrich your soil — which also reduces the amount of water needed for irrigation.