Look at its history in the US and you will see that companies have no problems extracting for profit, but lots of problems paying to decontaminate the vast amounts of poisoned water created in the process, and at this point mysterious spillages into rivers happen that are impossible to clean up and kill everything downstream.
If you can't do it without contaminating your own water supplies, don't do it.
Fracking is an environmental disaster.
Not if. Not maybe. Is.
Look at its history in the US and you will see that companies have no problems extracting for profit, but lots of problems paying to decontaminate the vast amounts of poisoned water created in the process, and at this point mysterious spillages into rivers happen that are impossible to clean up and kill everything downstream.
If you can't do it without contaminating your own water supplies, don't do it.