Overhead water tanks

 To prevent a large loss of water in case of an outage, many utility companies store their extra water supply above ground. To avoid the risk that too much or too little is being used during emergencies and blackouts, some utility providers choose to keep excess water stored outside on elevated tanks so it can still be accessed even if there's no electricity available for use with pumps. An overhead water storage tanks in India provides an overhead water storage tank is a container for storing potable water at an elevated height to facilitate the gravity-based flow of the contained fluid into individual plumbing fixtures, such as sinks and toilets. The term may also refer to an associated pumping system or other apparatus that pressurizes the stored drinking-quality water so it can be distributed by pipes throughout nearby structures via outlets with manually operated valves.