How Many Gallons of Water is in a . . .
It takes an estimated 39,090 gallons of water to make a car. It's unclear if that includes the more 2,000 gallons used to make its tires--each tire takes 518 gallons to make. Pair of Jeans
It takes around 1,800 gallons of water to grow enough cotton to produce just one pair of regular ol' blue jeans. 
Not as bad as jeans, it still takes a whopping 400 gallons of water to grow the cotton required for an ordinary cotton shirt.
Single Board of Lumber
5.4 gallons of water are used to grow enough wood for one lumber board. 
Barrel of Beer
In order to process a single barrel of beer (32 gallons of booze), 1,500 gallons of water are sucked down. 
It takes 53 gallons to make every latte.
Gallon of Paint
Takes 13 gallons of water to make.
Individual Bottled Water
This irony shouldn't be lost on anyone: it takes 1.85 gallons of water to manufacture the plastic for the bottle in the average commercial bottle of water.
One Ton of . . .
Steel: 62,000 gallons of water
Cement: 1,360 gallons
One Pound of . . .
Wool: 101 gallons of water
Cotton: 101 gallons
Plastic: 24 gallons
Synthetic Rubber: 55 gallons