Eleven H2O Facts.

1. Most of the earth's surface water is permanently frozen or salty.

2. Over 90% of the world's supply of fresh water is located in Antarctica

3. Saline water can be desalinated for use as drinking water by going through a process to remove the salt from the water. The process costs so much that it isn't done on a very large scale. The cost of desalting sea water in the U.S. ranges from $1 to $16 per 1000 gallons.

4. 6.8 billion -- Gallons of water Americans flush down their toilets every day.

5. Ninety-seven percent of the earth's water is saltwater in oceans and seas.

6. Of the 3% that is freshwater, only 1% is available for drinking - the remaining 2% is frozen in the polar ice caps

7. It takes about 1,000 gallons of water to grow the wheat to make a two pound loaf of bread

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

9. Forty percent of the atmosphere's moisture falls as precipitation each day

10. The salinity of the water outside the cells in our bodies is the same as the ocean

11. If all the world's water were fit into a gallon jug, the fresh water available for us to use would equal only about one tablespoon