The first [concern about fracking is that it] uses huge amounts of water that must be transported to the fracking site, at significant environmental cost.
BBC on water requirements for shale gas operations
Estimates indicate that the amount needed to operate a hydraulically fractured shale gas well for a decade may be equivalent to the amount needed to water a golf course for a month; the amount needed to run a 1,000 MW coal-fired power plant for 12 hours; and the amount lost to leaks in United Utilities’ region in north west England every hour (Moore 2012).
The Royal Society on water requirements for shale gas operations
Truck movements could be minimised where water supply can be obtained from the public water mains, or by a licensed abstraction from a nearby waterbody.
Scottish Government expert panel on water requirements for shale gas operations