If the clean water and germy water share the same pipes how do you know the waters is clean?

The cheapest (but more complex) way is to use reverse osmosis, which produces two water streams... one with less salt, and one very concentrated in salt (perhaps toxically so) and "floaties" that...

Well when the water goes up into the clouds, that's the only thing it takes- the water. so all the bits of rock and stuff stay down on the earth.

You must boil its at a 100 degrees Celsius or 212 degrees Farenheit which will sterilize it and then it must be filtered.

we dont , we just trust the people that say its clean , there is no way of acctually finding out if you are drinking clean water in water bottles unless you specificly clean it yourself ! anyone dis...

See this website for answer: http://www.cleanwaterstore.com/copper-pipe-corrosion.html