Many people think that the bottled water they are drinking comes from some untainted glacial fed iceberg springs found deep in a tropical forest guarded by leprechauns.  More often than not it is tap water in a bottle.  Aquafina has finally said its water comes from the same source as the tap water you get from your sink. 

http://www.forbes.com/feeds/ap/2007/07/27/ap3960953.html