The number of treatments and chemicals that go into your tap water by your Public Water System depends on the location and source and the quality of the water. What you should take from this is that it is a lot. The addition of any form of the chemical is not prohibited in bottled water because it could alter the natural balance of minerals in the water. Most American are now buying bottled water because they suspect that their tap water is unsafe. The downside to this is bolted water over a period of time and can be very expensive. Our drinking water system gives you the same or even better quality water. Stop buying bottled water and save and drink safer water. Below is a list of filters to chose from.