That means it requires a total of 1.01 gallons of water from our operations and during the use of our brewing system to produce 1.00 gallon of brewed coffee. The average water use ratio in the beverage industry for a range of non-coffee beverages is 2.69 gal/ gal as of 2012.13,14 This water use ratio measures only the water needed in our operations and when customers use our products to make a cup of coffee.