The earth's surface is about 80% water. That is about
320,000,000,000,000 (363 trillion) gallons of water.

***

Over 42,000 gallons of water are needed to grow and prepare
the food for a typical Thanksgiving dinner for eight in the
United States. This is enough to fill a 30 by 50 foot
swimming pool.

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A corn plant needs 54 gallons of water per season. A milk
cow needs 15 gallons per day or 5,475 gallons per year. A
horse needs 10 gallons per day or 3,650 gallons per year.

Human blood is 83% water. Human bones are 25% water.

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Water was the first word that Helen Keller learned. Water
was the last word spoken by President Ulysses S. Grant.

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Running the tap waiting for water to get hot or cold can
waste 5 gallons per minute.