Water - 1/3 of Residential Water Use is Landscape Irrigation
Landscape irrigation is estimated to account for nearly one-third of all residential water use.
The average American family uses 320 gallons of water per day, about 30 percent of which is devoted to outdoor uses. More than half of that outdoor water is used for watering lawns and gardens. Nationwide, landscape irrigation is estimated to account for nearly one-third of all residential water use, totaling nearly 9 billion gallons per day.
Outdoor water use varies greatly depending upon geographic location. In dry climates such as the Southwest, a household's outdoor water use can be as high as 60 percent.