Heavy metals
Pesticides
Industrial pollutants
However, bottled water isn’t necessarily safer. EWG also analyzed 10 different bottled waters and found that many of them contained the same pollutants as tap water. The bottled water not only contained the pollutants, it also contained chemicals that had leached into the water from the plastic bottle. EWG suggests using water pitchers that contain carbon filters or getting a filter that attaches directly to your faucet. To find out how your city rates, visit ewg.org/tap-water
Search by zip code for results of water quality tests in your area.