If they are worried about it being unhealthy, they might do that. Boiling it kills a lot of things that can make you sick.
the water might have a bunch of germs and bacteria. oh... who nows :D
In order to kill off harmful bacteria.
During a flood, sources of drinking water may be contaminated by floodwater. This contamination may introduce harmful microorganisms into the drinking water.
Yes, drinking water does boil at a lower temperature than salt water.
boil it
yes
boil it and let it cool.
They take the drinking water, filter it(with charcoal and sand), then boil it to remove any bacteria.
You get rainfall water and boil it. Or strain and boil freshwater. Also, there's chemicals you can use.
Many people use this water in drinking water. I for one believe it does affect the quality of the water. Your roof has alot of bacteria and that bacteria will transfer to the water. If you boil the water in the kettle it should be fine.
Contaminants could enter the water supply when a water main breaks, making it necessary to boil the water before drinking or cooking with it. Boiling water rids the water or bacteria and other harmful contaminants.
Unless it was a human made water fall and the water gets purified you would want to boil and clean the water before drinking the water.
it can not be used as drinking water if your lost at sea with no way to boil it
Drinking water is required to be free from living things, like germs, but once in a while, the water gets some germs in it, and you have to boil the water before drinking it.