After conducting a 6 years study and independent testing of over 1,000 bottles of water, the National Resource Defense Council found there were� no assurances that bottled water is any cleaner than tap water. They also found that at least 25 percent of bottled water is believed to be bottled tap water. A 2010 Environmental Working Group study found that among the 10 best-selling brands including Aquafinia, Dasani, Crystal Geyser, and 6 of 7 Nestle branded water� could not answer� the following questions: Where does the water come from; is it purified; how is it purified; and have tests found...