How does water pressure remain even without electricity?
In: Engineering
I assume you’re talking about losing power at your house. Generally the pumping station for city water is pretty far away and won’t have been affected.
If you have a well, there is a ballast tank that holds some water under pressure using an air bladder but once that’s gone there won’t be any water.
During the big Northeast blackout of 2003 much of Detroit had no water pressure because the pumping stations were also without power.
A water tower can also help maintain pressure using gravity until it’s empty.
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