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The United States uses around 444 trillion liters of water per year

The most recent water use estimates from the United States Geological Survey estimate that around 322,000 million gallons of water are used per day in the United States.1 This is equal to around 117.53 trillion gallons per year or 444 trillion liters.

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Footnotes​

  1. U.S. Geological Survey. (2019, March 3). Total Water Use. U.S. Geological Survey. https://www.usgs.gov/mission-areas/water-resources/science/total-water-use ↩