[2] The fifth concrete dam built in the country, it was begun in 1975 and completed in 1992[3] (6 Daymah 1370[1] in Persian calendar).
It is located on Halil River (Halilrood) 40 km upstream of Jiroft (North-East of the city) in the narrow valley of Narab.
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 (1992) survived an extraordinary flood (1 February 1993) with the peak discharge of 5035 cubic metres per second.
The spillways and other hydrodynamic outlets of the dam can manage to discharge up to 6500 cubic meters per seconds (the design flood with return period of 10000 years).
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