• The United States uses some 450 billion gallons of water every day. Only 6% of that - 27 billion gallons - is taken by public water supply systems.
  • A person should consume 2.5 quarts of water per day (from all sources of water, food, etc.) to maintain health.
  • Indoors nearly 40% of the water used gets flushed down toilets, and more than 30% is used in showers and baths.
  • A single birch tree will give off 70 gallons of water per day in evaporation.
  • Water is the most common substance on earth.