Dix Hills, Plainview water districts unveil facility upgrades

The improvements come as water districts work to meet tougher drinking water standards set by federal and state regulators.
In 2020, New York State set a limit of 10 parts per trillion for PFOS and PFOA, two of the most common forever chemicals, Newsday previously reported. Then in 2024, the U.S. Environmental Protection Agency under President Joe Biden set a maximum contaminant level at 4 parts per trillion for each of those compounds, the lowest levels the agency said are feasible for effective implementation.