Jiroft Dam


Jiroft Dam is a hydroelectric dam in Iran with an installed electricity generating capability of 85 MWh situated in Kerman Province.
The fifth concrete dam built in the country, it was begun in 1975 and completed in 1992. It is located on Halil River 40 km upstream of Jiroft in the narrow valley of Narab.
Its reservoir capacity is around 410 million cubic metres up to the normal level. The maximum height of the dam is 134 m and the crest length is 277 m. The dam in its first water year of operation survived an extraordinary flood with the peak discharge of 5035 cubic metres per second. The flood had a return period of 800 to 1000 years. The heavy rains of this year caused the dam was filled of water much sooner than the planned water storing duration. The spillways and other hydrodynamic outlets of the dam can manage to discharge up to 6500 cubic meters per seconds.
The reservoir is planned to irrigate 14200 hectares of the downstream lands.