US Plan to Limit PFAS in Water Draws Concern Over Cost, Science

The first-ever national drinking water limits for PFAS the EPA proposed Tuesday are raising concerns about the costs to utilities and ratepayers, questions from industry about the science the agency used, and predictions of more litigation over the health effects of the chemicals.

The proposal also should spur controls on upstream sources of the chemicals, according to both a key lawmaker and the Southern Environmental Law Center, a nonprofit environmental legal advocacy organization.

The Environmental Protection Agency proposed a 4 parts per trillion (ppt) enforceable limit on the amount of either perfluorooctanoic acid (PFOA) or perfluorooctane sulfonic acid (PFOS) that ...