The Water Footprint Assessment Tool provides clear insight into how water is appropriated for human uses and the impacts resulting from those uses. It offers an easy way to calculate and map the water footprint, assess its sustainability and identify strategic actions to improve the sustainability, efficiency and equitability of water use.  If you live in the United States and you are a meat eater, you probably have a high water footprint.

Use the calculator and find out!
Read more:  http://www.waterfootprint.org/?page=cal/WaterFootprintCalculator