During the Clinton/Gore administration they were told they had to buy a filtering machine ($100,000)that was guaranteed to produce water less pure than their's coming out of the ground.
A lot of bottled water has as its source some "municipal water supply," therefore, wouldn't be more healthy than most cities because it is city water.
The important thing is to check THE SOURCE. The bottle does not purify the water!
I’ve known that for years. Most bottled water comes from local municiple water supplies. They just run it through a charcol filter system to make it taste better and remove some of the impurities and then sell it to the unsuspecting.
The worst thing anyone can do is buy water from those machines outside the grocery stores. Tests have found all kinds of things growing inside them.