Some noncarbonated bottled water products sold in the U.S. and tested as part of a new study contained potentially toxic PFAS chemicals, prompting calls for the federal government to set standards covering the chemicals.
The study, published in the journal Water Research and led by Johns Hopkins University researchers, detected PFAS substances in 39 out of more than 100 bottled waters tested, in some cases at levels deemed concerning by water quality experts.
The study did not identify which brands were tested. But the researchers did find that bottled waters labeled as “purified,” which are typically filtered through reverse osmosis, contained less PFAS overall than “spring” water, which is not filtered using that method. Read more…
