Don Pettit, in space since Nov. 2002, experiments with water at zero-g
He inserted the wand into a zero-g beaker and pulled it out again. "To my amazement," he says, "when the 2-inch loop was withdrawn, a thin film of water clung tenaciously to the loop. I've never before witnessed such a large-scale film of water."
The World Water Crisis "Nearly 1.1 billion people (roughly 20% of the world’s population) lack access to safe drinking water. The lack of clean, safe drinking water is estimated to kill almost 4,500 children per day."
Fact Sheet on Drinking Water Contaminants
"Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that water poses a health risk." EPA