Although you may think that bottled water is an option than tap, two new reports show that the store-bought stuff is actually less regulated than the water you get out of you tap almost for free.
The Food and Drug Administration (FDA) has little authority to regulate bottled brands, according to a US. Congressional report released recently.
While municipal water utilities are required to provide public reports for test results，bottle-water makers are not. So although you may pay a pretty penny for bottled water, that does not mean it"s any better than what"s coming out of your tap. In fact, it could be worse and you"d never know it.
The new research is backed by a report from the Environmental Working Group (EWG). The nonprofit organization surveyed the labels and Web sites of nearly 200 popular bottle-water brands and found that less than 2 percent disclosed three facts that can affect safety: the water"s source purification(净化)methods, and chemical pollutant (污染物质)in each bottle.
Reaching for the most popular bottled brands is not necessarily a solution. In fact, the EWG report that some of the best-known brands are the least likely to report where the water comes from and what it contains. Which of the following is true about bottled water