INTRODUCTION TO WATER TREATMENT & ABSTRACTION

 

Water towers

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Water towers are used to give an increased pressure to consumers.
The towers are higher than the surrounding property so water flows by gravity to the customers.
Other benefits of supplying customers from towers is the constant head of water ensures pressure at the tap remains fairly constant & because the tower is like a small reservoir it gives storage in the event of a power cut or a pump failure.
Water towers are not so common now & are being replaced by variable speed pumps that also ensure a constant pressure by increasing & decreasing their speed based on the distribution mains pressure.

 The picture below is a schematic showing how ater gets into a water tower the goes on to supply customers

 The next picture shows an old water tower, This one is no longer used & has been replaced with variable speed pumps.