An overhead tank, also known as an elevated water tank or water tower, is a large container used to store water for various purposes, such as household use, firefighting, or industrial processes. Typically elevated on a tower or stand, it relies on gravity to provide water pressure to buildings and communities below. Overhead tanks are commonly made of materials like concrete, steel, or fiberglass and are often equipped with pumps, valves, and level indicators for efficient water distribution and management.