And I am not confident we have a good handle on what it actually does to the ground water yet.
Fracking isn’t anything new. It didn’t destroy the aquifers in Texas and Oklahoma and has been used at least since the 80’s.
First Frac job ever was in 1947
Hundreds of thousands of wells in the US and Canada have been treated with the technique.
Not one proven case exists the technique caused any shallow fresh water contamination.
Poor surface handling of chemicals and fluids on the other hand, aka spills, are the most likely hazard, and a highly regulated aspect of the industry.