Building Water Systems Water, water everywhere, WHICH drop to drink? Tom Meyer Director, Technical Programs National Environmental Balancing Bureau
The same water that existed on Earth billions of years ago still exists today.
Less than 0.007% of all the water on Earth is available to drink. (That’s one gallon in every 70,000 gallons)
What’s Going on With Existing Fresh Water Supplies?
20–30% of clean water put into the local distribution system is lost before it gets to your building. (50% if it’s an older system.)
Millions of people in the world live on less than 3 gallons each day
Conventional Wisdom: We are going to run out of water before we run out of oil.
Our water problem could fast become our hunger problem
When the well is dry, we know the worth of water. - Benjamin Franklin, Poor Richard’s Almanac, 1746
Why should we worry? Now you know why.
300-Year Drought Was Downfall of Ancient Greece - Study published in PLOS ONE In the last five years, nearly every region of the country has experienced water shortages. - US EPA World Water Day: A forceful reminder that the U.S. is running out of fresh water - The Washington Post Freshwater Crisis - National Geographic Major U.S. Cities Are at Risk for Climate-Related Water Shortage - Bloomberg