Raw water has been getting a lot of media attention lately.  Companies that offer raw water do not filter or treat their water.  Genuine springs are typically the cleanest source of drinking water because the water naturally passes through sand and clay, which acts as a natural filter.

While raw water itself can have health benefits, many are skeptical of what happens after it's bottled. Many brands are bottled in PET which is petroleum based. In comparison to glass and aluminum, using PET is a lighter material and recyclable material which helps with the energy consciousness in traveling. Plastics only amount to less than 4% of oil usage, as well.  PET bottles are resistant to bacteria growth which helps keep them re-useable.  However, German researchers have shown that the bottles may perhaps leach compounds that mimic estrogen hormones, according to a study on snails they had performed.

Raw water benefits your health by eliminating the chemicals added to treated water sources; however once bottled it can add  an array of other health concerns.  It's too early to tell exactly how PET bottling can affect human health; however it is something to be cautious about until further studies can be completed.