Plus huge back-up generators and fuel storage for pump power, and also large storage tanks up high in the hills for gravity feed.
But all this would never be allowed in Commiefornica.
ONCE AGAIN I WILL ASK THE RELEVANT QUESTIONS:
Why the }{€££ are they not pumping water out of the PACIFIC OCEAN !?!?!?!?!? They have to have a spare pump or 10 and piping available (if not then why not ?) that can be connected to the existing water mains and use the salt water to put out the fires !!! If there’s any thing left to pump potable water to after the fires are put out then flush and “Burn” the Distribution System out and go back to normal supply of water. I don’t understand why they are not doing this OTHER THAN THE IDIOTS (NOT) IN CHARGE OF THE SITUATION ARE STUPIDER THAN STUPID...