Dworshak Dam is a concrete dam. Standing 717 feet (219 m) high from the horizon, 632 feet (193 m) above the riverbed and measurement 3,287 feet (1,002 m) long along its crest. The top of the dam is 44 feet (13 m) wide at an elevation of 1,613 feet (492 m) above sea level. The main body of the structure can accommodate about 6,500,000 cubic yards (5,000,000 m3) water.