Myth: Water is plentiful. BUSTED: Although 70 percent of the earth is made of water, only 3 percent of the water is drinkable, while 97 percent is saltwater or otherwise undrinkable.
Myth: The average person does not use that much water. BUSTED: The average American uses 80 to 100 gallons of water per day.
Myth: Dishwashers waste more water than hand washing. BUSTED: An automatic dishwasher uses 4 to 6 gallons of water, whereas hand washing dishes can use up to 20 gallons of water.
Myth: Taking a bath uses less water than taking a shower. BUSTED: A full bath tub requires about 70 gallons of water, while taking a five-minute shower uses only 10 to 25 gallons.