The dumping occurred or it didn't as only a weak-minded fool would deny.
First, I live here in the Marcellus Shale region. I am keenly aware of what is going on with the water reclamation.
Pennsylvania has some of the highest standards in the world on fracing as well as the recycling of the frac fluid.
What is being "dumped" (a word with negative connotation chosen by liberals to seduce the weak-minded) is cleaner than most bottled water.
As far as radioactivity is concerned, let us just remember all the hype about Japan over radiation that would have been undetectable a decade ago.