Amazing facts about water!

1. Less than 1% of the water supply on earth can be used as drinking water.

2. About 6,800 gallons (25,700 litres) of water is required to grow a day's food for a family of four.

3. An acre of corn will give off 4,000 gallons (15,000 liters) of water per day in evaporation.

4. A person can live about a month without food, but only about a week without water. If a human does not absorb enough water dehydration is the result.

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

6. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost.

7. An estimated 790 million people (11% of the world's population) live without access to an improved water supply.

8. A small drip from a faucet can waste as much as 34 gallons or 128 liters of water a day.