As I've stated in other fairly recent threads on this subject, I do believe the EPA would love to take control of my water. I just feel the time for them to be able to do so, hasn't arrived. And I doubt it will take place anytime soon. Be prepared, yes. Be paranoid over it, no.
Kind of like FA. It is just short green fuzzy stuff on the bottom. No unsightly floating globs on the surface yet. So why worry about it?