It can be already hacked but while power to the valves and pumps are removed then the SCADA system hacks can't cause physical damage. I haven't seen any eviden

It can be already hacked but while power to the valves and pumps are removed then the SCADA system hacks can't cause physical damage. I haven't seen any evidence that the "OT" side of their network was compromised in a way that would cause physical damage, a la Stuxnet.