One percent of the earth's water is suitable for drinking. One gallon of water weighs 8.34 pounds. It would take 219 million gallons of water to cover one square mile with one foot of water. There are 7.48 gallons of water in one cubic foot. When it rains one inch, you get 27,000 gallons of water per acre.
Water is the most common substance found on earth.
It takes 1,500 gallons of water to process one barrel of beer. It takes 24 gallons of water to make one pound of plastic. It takes 9.3 gallons of water to process one can of fruit or vegetables. It takes 101 gallons of water to make one pound of wool or cotton. It takes 1,851 gallons of water to refine one barrel of crude oil.