Rooftop water tower
Encyclopedia
A rooftop water tower is a variant of a water tower
Water tower
A water tower or elevated water tower is a large elevated drinking water storage container constructed to hold a water supply at a height sufficient to pressurize a water distribution system....

, consisting of a water container on a roof
Roof
A roof is the covering on the uppermost part of a building. A roof protects the building and its contents from the effects of weather. Structures that require roofs range from a letter box to a cathedral or stadium, dwellings being the most numerous....

of a tall building.

This structure supplies water pressure to floors at higher elevation than public water towers.
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