Question: how much water does it take to make hamburger?
Answer: A 1/3-pound burger requires 660 gallons of water. ... 
1 pound of beef requires 1,799 gallons of water, which includes irrigation of the grains and grasses in feed, plus water for drinking and processing.
1 slice of bread requires 11 gallons of water. ... 
1 pound of wheat requires 132 gallons of water.