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.
They did blow the top off of a well in pa, a while back.
You’re preaching to the choir here. I’m familiar with fracking from my days in Texas and know the current turmoil is a bunch of treehugging BS. I didn’t realize it went back to the late 40’s though