68.7% of the fresh water on Earth is trapped in glaciers.1
30% of fresh water is in the ground.1
1.7% of the world’s water is frozen and therefore unusable.1
Nearly one-half of the water used by Americans is used for thermoelectric power generation.1
Approximately 400 billion gallons of water are used in the United States per day.1
In one year, the average American residence uses over 100,000 gallons (indoors and outside).1
Water can dissolve more substances than any other liquid including sulfuric acid.1
The freezing point of water lowers as the amount of salt dissolved in at increases. With average levels of salt, seawater freezes at -2 °C (28.4 °F).2
About 6,800 gallons of water is required to grow a day’s food for a family of four.3
To create one pint of beer it takes 20 gallons of water.3
780 million people lack access to an improved water source.4
1/3 what the world spends on bottled water in one year could pay for projects providing water to everyone in need.4
In just one day, 200 million work hours are consumed by women collecting water for their families.4
Water weighs about 8 pounds a gallon.5
It takes 120 gallons of water for one egg.5
A jellyfish and a cucumber are each 95% water.5
Children in the first 6 months of life consume seven times as much water per pound as the average American adult.11
Americans drink more than one billion glasses of tap water per day.11
Various estimates indicate that, based on business as usual, ~3.5 planets Earth would be needed to sustain a global population achieving the current lifestyle of the average European or North American.13
85% of the world population lives in the driest half of the planet.13
Agriculture accounts for ~70% of global freshwater withdrawals (up to 90% in some fast-growing economies).13
The United States draws more than 40 billion gallons (151 million liters) of water from the Great Lakes every day—half of which is used for electrical power production.12
Thirty-six states are anticipating water shortages by 2016.14
300 tons of water are required to manufacture 1 ton of steel.15
1 in 6 gallons of water leak from utility pipes before reaching customers in the US.15
American use 5.7 billion gallons per day from toilet flushes.15
Hot water can freeze faster than cold water under some conditions (commonly known as the Mpemba effect).22
If the entire world’s water were fit into a 4 liter jug, the fresh water available for us would equal only about one tablespoon.23
Over 90% of the world’s supply of fresh water is located in Antarctica.23
Water regulates the Earth’s temperature.23
On average, 10 gallons per day of your water footprint (or 14% of your indoor use) is lost to leaks.24
The average pool takes 22,000 gallons of water to fill.24
It takes about 70 gallons of water to fill a bathtub.25
Flying from Los Angeles to San Francisco, about 700 miles round-trip, could cost you more than 9,000 gallons of water.25
In Washington state alone, glaciers provide 1.8 trillion liters (470 billion gallons) of water each summer.32
Water makes up about 66 percent of the human body.33
There are no scientific studies that support the recommendation to drink 8 glasses of water per day.33
Drinking too much water can be fatal (known as water intoxication).33
There is more fresh water in the atmosphere than in all of the rivers on the planet combined.34
If all of the water vapor in the Earth’s atmosphere fell at once, distributed evenly, it would only cover the earth with about an inch of water.34
Of the estimated 1.4 billion hectares of crop land worldwide, around 80 percent is rainfed and accounts for about 60 percent of global agricultural output (the other 40% of output is from irrigated crop land).36
263 rivers either cross or demarcate international political boundaries.35
It takes seven and a half years for the average American residence to use the same amount of water that flows over the Niagara Falls in one second (750,000 gallons).34
Two-thirds of the world’s population is projected to face water scarcity by 2025, according to the United Nations.42
1 pound of beef requires 1,799 gallons of water.43
1 gallon of wine requires 1,008 gallons of water.43
A 0.3 pound burger requires 660 gallons of water.43
1 slice of bread requires 11 gallons of water.43
1 apple requires 18 gallons of water.43
1 pound of chocolate requires 3,170 gallons of water.43
500 sheets of paper requires 1,321 gallons of water.43
Ground water occurs almost everywhere beneath the land surface. The widespread occurrence of potable ground water is the reason that it is used as a source of water supply by about one-half the population of the United States.44
Hydrologists estimate, according to the National Geographic Society, U.S. groundwater reserves to be at least 33,000 trillion gallons — equal to the amount discharged into the Gulf of Mexico by the Mississippi River in the past 200 years.45
At any given moment, groundwater is 20 to 30 times greater than the amount in all the lakes, streams, and rivers of the United States.45
Household leaks can waste more than 1 trillion gallons annually nationwide. That’s equal to the annual household water use of more than 11 million homes.37
Ten percent of homes have leaks that waste 90 gallons or more per day.37
Each cubic foot of Martian soil contains around two pints of liquid water, though the molecules are not freely accessible, but rather bound to other minerals in the soil.38
A leaky faucet that drips at the rate of one drip per second can waste more than 3,000 gallons per year.37
There is an estimated 326 million trillion gallons of water on earth.39
NASA has discovered water in the form of ice on the moon.40
A 2.6 billion year old pocket of water was discovered in a mine, 2 miles below the earth’s surface.41
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