The world's longest masonry dam is

Nagarjuna Sagar, which is situated across the Krishna River on the border between Guntur district, Andra Pradesh, and Nalgonda district, Telangana, is the world's largest masonry dam. This dam, with a gross storage capacity of 11.472 billion cubic meters, was built between 1955 and 1967. From its lowest base, it is also 590 feet (180 m ) tall and 0.99 miles long with 26 flood gates that are 42 feet (13 m) wide and 45 feet (14 m ) tall.