MEMPHIS, Tenn. (WMC) - Supercomputers need massive amounts of water and electricity to operate. Environmental groups expressed concern about the impact Elon Musk’s facility could have on Memphis’ drinking water and the MLGW power grid.A family of four uses about 400 gallons of water a day. The supercomputer facility will require one million gallons a day. The electricity needed to run the supercomputer could power 100,000 homes. Environmentalists want to ensure the xAI facility doesn’t hurt a co...