Over head water tank

The overhead water tank should be in the southwest (best) or west corners of the building.The overhead water tank should be in the southwest (best) or west corners of the building.

An overhead water tank should not be located in the northeast or southeast corners, or in the middle of the roof.
It is also best that it is not located in the northwest unless the tank is small If possible, there should be different tanks for the kitchen and bathrooms.