Tap water versus bottled water. This is an important subject of debate these days. It is widely known that there are both pros and cons to consider when it comes to drinking tap water. It is less expensive than the bottled water. At the same time, it is widely known the fact that the bottled water is safer than the tap water. Needless to say, it is imperative to note that some people are more vulnerable to getting sick from contaminants in drinking water.