The following day, word came down from headquarters to drink only wine until the water could be treated.

CNN: Private Ryan was a hero, but there were bums, too

In the developing world they do it because that is often the only water fit to drink, and for the poor it is usually a significant expense.

ECONOMIST: It must also be clean

Soldiers could drink the fuel cell's only emissions, water.

FORBES: The $375,000 Engine

Gaza's only fresh source of water is too dangerous to drink because of contamination by fertiliser and human waste, a new report says.

BBC: Gaza water too contaminated to drink, say charities