There is the same amount of water on Earth today as there was when the Earth was formed.
The water from your faucet could contain molecules that dinosaurs drank.
Water is composed of two elements: Hydrogen and Oxygen. 2 Hydrogen + 1 Oxygen equals H20.
Nearly 97 percent of the world's water is salty or otherwise undrinkable. Another 2 percent is locked in ice caps and glaciers. That leaves just one percent for all of humanity's needs - all its agricultural, residential, manufacturing, community and personal needs.
Water regulates the Earth's temperature. It also regulates the temperature of the human body, carries nutrients and oxygen to cells, cushions joints, protects organs and tissues and removes wastes.
75 percent of the human brain is water and 75 percent of a living tree is water.
A person can live about a month without food, but only about a week without water.
The average total home water use for each person in the U.S. is about 50 gallons a day.
The average cost for water supplied to a home in the U.S. is about $2 for 1,000 gallons, which equals about 5 gallons for a penny.
Water expands by 9 percent when it freezes. Frozen water (ice) is lighter than water, which is why ice floats in water.
Human blood is 83 percent water. Human bones are 25 percent water.
Each day, the sun evaporates 1,000,000,000,000 (a trillion) tons of water.
In some deserts, rain is so uncommon that the natives do not have a word for it.
In a one hundred year period, a water molecule spends 98 years in the ocean, 20 months as ice, about 2 weeks in lakes and rivers and less than a week in the atmosphere.
Once groundwater is polluted, it may remain that way for several thousand years.
The people in the U.S. use as much as 700,000,000,000 (700 billion) gallons of water each day. (From the American Water Works Association "Blue Thumb" project, 1998)
Every year, American families use between 50,000 and 200,000 gallons of water. (American Water Works Association/Blue Thumb Campaign, 1995)
By planting low-water-use grasses and shrubs, you can cut your lawn watering by 20 to 50 percent. (American Water Works Association/Blue Thumb Campaign, 1995)
When you let water run for 1 minute, 5 gallons of water go down the drain. (American Water Works Association/Blue Thumb Campaign, 1995)
To stay healthy, you need to consume 2-3 quarts of water a day. (American Water Works Association/Blue Thumb Campaign, 1995)
At least 1 billion people must walk 3 hours or more each day to fetch water. (Stockholm Water Foundation)
Nearly 2% of U.S. homes have no running water; in Mexico, 15% of the population must haul or carry water. (National Geographic Society, 1993)
Irrigators in the United States use about 137 billion gallons of water per day; power plants use another 131 billion gallons each day. (National Geographic Society, 1993)
Growing a day's food for 1 adult takes about 1,700 gallons of water. (National Geographic Society, 1993)
Installing a low-flow toilet can save a family of 4 more than 45 gallons of water a day. That's 1,350 gallons a month. (American Water Works Association, 1993)
More than 75% of the water in the United States is located underground. However, 50% of U.S. drinking water is from surface sources. (American Water Works Association, 1993)
More than 800,000 new water wells are drilled each year for domestic, commercial and industrial use. (American Water Works Association, 1993)
The 250 million U.S. residents today have access to about the same amount of water as U.S. residents did 200 years ago, when the population was 4 million. (National Drinking Water Alliance, Blue Thumb Campaign, 1993)
Families turn on water faucets about 70 times a day. (National Drinking Water Alliance, Blue Thumb Campaign, 1993)
It is estimated that up to 50% of the water families use could be saved by implementing simple conservation methods. (National Drinking Water Alliance, Blue Thumb Campaign, 1993)
A leaking toilet may result in the loss of up to 200 gallons of water a day. Even a slow leak in a faucet can waste 15 to 20 gallons of water a day. If you wait a week to fix it, a faucet can drip more than 800,000 drops. (National Drinking Water Alliance, Blue Thumb Campaign, 1993)
One-third of the Earth's people may face either water "stress" or scarcity by the year 2025 if current population trends continue. (Christian Science Monitor, 1993)
In 1990, more than 335 million of the world's 5.3 billion people lived in water-stressed or water-scare countries. (Christian Science Monitor, 1993)
Every minute you spend in the shower uses about 5 gallons of water. (Lincoln, Neb., Water Systems, 1994)
Washing a load of clothes uses about 50 gallons of water.
Brushing your teeth for 2 minutes while running water takes 6 gallons.
About 9.3 gallons of water are used to process one can of fruit.
One acre-foot of water is about 325,900 gallons, enough to fill a football field to a depth of 1 foot or to supply the needs of a family of five for a year.