The Sardasht Dam (Persian: سد سردشت) is an embankment dam on the Little Zab 13 km (8 mi) southeast of Sardasht in the Iranian province of West Azerbaijan. Reconnaissance studies for the dam were completed in 1999 by Moshanir Consulting Engineers Company.[1] It is a 116 m (381 ft) tall and 275 m (902 ft) long rock-fill earth core dam. It has a hydroelectric power station with an installed capacity of 150 MW and expected annual generation of 482 GWh.[2] The construction contract for the dam was awarded in 2009.[3][4] Official construction on the dam began in 2011.[5] The river diversion tunnels were complete in November 2012 in a ceremony attended by Iran's Ministry of EnergyMajid Namjoo.[6] The dam began to impound its reservoir on 22 June 2017.[7]