As part of WebMD‘s investigation into the safety and purity of bottled water versus the safety and purity of tap water they commented briefly on the following question posed by a number of their viewers/members: If I Drink Tap Water, Should I Use a Filter?
If you live in a home with older pipes, have odor or taste issues with your tap water, or just want an extra level of protection, a filter may be a good idea. But you have to get the right one for your specific problem, Janssen says.
“It is important to know what you are trying to filter out before you spend the money,” she says. “A reverse osmosis filter will get rid of most contaminants, but charcoal may be enough for odor and taste problems.” (source)
You may use the following links to find information on the benefits of using: