How does water pressure remain even without electricity?
In: Engineering
The water for immediate use is stored in a water tower or elevated basin. The weight of the water from this height is what creates the water pressure. The city pumps is usually located some distance away and may not be affected by the same power outage. And the water they pump into the system will be pushed up to the water tower for short time storage. If the pumps are out of commision the water tower will slowly drain but the water pressure will remain roughly the same. After a few hours or maybe even an entire day the water tower will drain completely and the water pressure will drop.
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