FACT: Bottled drinking water has been marketed as being cleaner and more pure than ordinary tap water...

...but, in a recent study, a third of bottled water showed significant chemical or bacterial contamination, including arsenic, nitrates, carcinogenic compounds, and coliform bacteria. Probably the bottom third; that kind of stuff tends to sink.

"Bottled Water: Pure Drink or Pure Hype?" National Resources Defense Council, www.nrdc.org.