How do municipal water systems work? How does a house on top of a hill have water pressure, but the house at the bottom of the valley isn’t overrun with sewage?
In: Engineering
Water pressure is created in the water pipes either with a water tower where gravity provides the pressure or pipes. There is a reason that the water tower is on tops of the hill so everything below it has water pressure. For high buildings like a skyscraper you can have a water tank in the tops of it you pump water to and then let it flow down to the rest of the building.
For sewage, you build the pipes so they always go downhill and if he end is a low point like a valley you have pumps that pump it away to the sewage treatment. The system with an inlet from the buildings is open and not pressurized like the freshwater system so it can’t flow uphill and back into a house. Pipes after pumps where you do not have any outer inlets are of course pressurized so it can move uphill.
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