"We did not find evidence that these mechanisms have led to widespread, systemic impacts on drinking water resources in the United States."The report does say that there is the potential for spills and leaks. It also points out the vulnerabilities in the water life cycle in fracking, especially in disposal. But the major finding is that there isn't a systemic problem with drinking water.
It's a big win for the oil and gas community. Will it change the debate much? Probably not.