[oldstrangers]

"The agency’s new advisory levels aren’t requirements that drinking water suppliers must meet."

So it's entirely meaningless.

[ikawe]

See my comment upthread, but in the meanwhile some more concrete rules and timelines have passed:

https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas

[_heimdall]

Aren't most environmental targets? Setting extremely high targets, often on unreasonable timetables, makes for great PR regardless of whether or not the targets will ever be enforced.