alt Hacker NewsBeing from LA, I am used to a water system that works without needing power. I think most of CA is like that. It was a surprise to lose the water back east when the power went out during a storm.
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I wonder if this was in an apartment building. We owned a condo in a 5 story (4+1) apartment building and because it was taller than the San Jose water system was built for, our building needed (electric) pumps to provide water pressure to the building (there were tanks on the roof). If we lost power, then we lost water.
Now that we have moved to a 2 floor detached home (also in San Jose) we do not have that issue, and everything is gravity fed.
The LA water system is dependent on power as a whole. There’s many pumping stations along the various aqueducts.
We do not lose water on the east coast when the power goes out
I know NYC doesn't treat their water at all, but LA doesn't either?
My city runs on surface water, so we have treatment and then pump to storage tanks. You would have to be out for quite a while to run the city out of water, though - the tanks are large.
The only places I've heard of losing water during power outages are houses that use a private well (no power, no well pump), which would be the case anywhere. Municipal water systems may or may not use power to provide pressure, but are going to have generator power outside of the most severe outages.