Question

3. what are water storage tanks that supply water to colonies made at a height?​

Answer 1

$\huge\underline\mathrm{AnSweR}$

Elevated Surface Reservoir (ESR)

or elevated storage tank: ESR is constructed, where water is to be supplied at elevated height (less than the level of ESR) or where the distance is large and topography is undulating. Generally, ESR is at height more than 15 m.

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Answer 2

Answer:

The reason is that the elevation (height) of the tank creates the water pressure at the tap. The higher the tank above the taps in the community, the greater is the water pressure at the taps.