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Of all the elements of our public infrastructure, our water systems are the most essential for the daily lives of Americans. The average American family of four uses roughly 400 gallons of water a day for drinking, washing, cooking, cleaning, and more.
Businesses and industry throughout our nation also depend on clean water to keep their doors open and to manufacture thousands of goods we use or export every day. Indeed, commercial and institutional water-use amounts to roughly 17 percent of the total fresh water used in the United States.
To put these figures in context, producing a single slice of bread requires some 10 gallons of water; producing a gallon of milk requires 1,000 gallons of water; and manufacturing a car uses more than 39,000 gallons of water.
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