I’ve had this idea in my head for years, don’t know if I’ve brought it up before? An elevated poolside platform with a 2” 360 degree clearance monitor, its own pump in sealed housing with an intake on the bottom of a pool, powered by a generator with a sealed battery to start the pump. Connected to the internet by Starlink or buried hardline, homeowner can access remotely and control the monitor/spray pattern. Could also be linked to pre piped sprinklers all around the house perimeter. 

I’m sure there’s ways to tweak the idea, but I think it’s a good base to improve upon? This could enable the homeowner to evacuate, but still have an iron in the fight in case of stretched structure protection resources. There’s an average of 18-20k gallons in residential pools, could definitely make a dent and potentially allow for multiple units. I’m sure insurance companies would be on board.