An aqueduct is a structure or conduit designed to convey water from a source to a point of use, utilizing principles of gravity and hydrology. These systems can take various forms, including covered channels, underground tunnels, and elevated channels supported by arched masonry. The functional design requires careful grading and contour mapping to maintain a precise, consistent downward gradient, ensuring that the water flow remains constant and adequate for transport over long distances. Materials used in construction vary widely but must be durable, impermeable, and capable of withstanding significant hydrostatic pressure and the erosive forces of constant water movement. The engineering challenges involved in creating such a system encompass managing gradient loss, maintaining structural integrity over varied terrain, and ensuring adequate flow capacity to meet the required public supply.