• Water is the most common substance found on earth.

• There is the same amount of water on Earth today as there was when the Earth was formed.

• Water serves as nature's thermometer, helping to regulate the earth's temperature.

• Forty trillion gallons of water a day are carried in the atmosphere across the United States.

• On average, Americans use 180 gallons of water a day for cooking, washing, flushing and watering purposes.

• Water makes up almost two-thirds of the human body, and 70 percent of the brain.

• About 66 percent of the human body is made of water. That explains why we can only live a few days without access to drinking water.

• 80 percent of the Earth’s surface is water.

• 97 percent of the Earth’s water is saltwater in oceans and seas; of the 3 percent that is freshwater, only one percent or less is available for drinking.

• Groundwater is constantly moving.

• Groundwater is renewed once every 1,400 years.

• Three-quarters of the cities in the United States use groundwater as part of their water supply.

• The water table marks the level at which the ground below is fully saturated with water.

• Water moves through the hydrologic cycle, changing from solid (ice), to liquid (water), to gas (water vapor), over and over.
  
  
• If it rains one inch on a quarter-acre lot, about 7,000 gallons, or nearly 30 tons of water, would fall there.

Compiled from Internet Reports.