In 2015, total U.S. water use was approximately 322 billion gallons per day (Bgal/d). Thermoelectric power (133 Bgal/d) and irrigation (118 Bgal/d) accounted for the largest withdrawals.
Per capita use was roughly 48% higher in western states than in eastern states in 2015, primarily due to the volume of water used for crop irrigation in the west.
In 2015, California and Texas accounted for 16% of U.S. total water withdrawals, even after reducing public-supply withdrawal by 18% and 28%, respectively, from 2010 levels.1,2 Florida, New York and Maryland accounted for half of saline water withdrawals.
