What does the water tower mean?

Water tower: the water storage function of general residential areas, some of which are important links in the production process of water plants. Towering structure for water storage and distribution, used to maintain and adjust the water quantity and water pressure in the water supply network. It is mainly composed of a water tank, a base and a supporting pipe or bracket connecting the two. In industrial and civil buildings, water tower is a common and special building. Its construction requires special care and skill. If the construction quality is not good, it will cause permanent leakage, or it will be scrapped and cannot be used.