Iran–Turkmenistan Friendship Dam

The Iran–Turkmenistan Friendship Dam or Doosti Reservoir Dam (Persian: سد دوستی‎, Turkmen: Dostluk Suw Howdany) is a dam on the Hariroud River, which forms part of the international boundary between Iran and Turkmenistan (Iran-Turkmenistan border). The dam was completed in 2004, and both countries agreed that each would have an equal right to the waters of the river, which amount to 820 million cubic metres.[3] It was officially opened on 12 April 2005.[4] The dam provides drinking water and irrigation for the surrounding areas along with hydroelectric power.[4]

Iran–Turkmenistan Friendship Dam
Iran–Turkmenistan Friendship Dam.jpg
Iran–Turkmenistan Friendship Dam is located in Iran
Iran–Turkmenistan Friendship Dam
Location of Iran–Turkmenistan Friendship Dam in Iran
Official nameDoosti Reservoir Dam
Coordinates35°56′55″N 61°09′48″E / 35.94861°N 61.16333°E / 35.94861; 61.16333Coordinates: 35°56′55″N 61°09′48″E / 35.94861°N 61.16333°E / 35.94861; 61.16333
Opening date2005
Owner(s)Turkmenistan: Ministry of Water & Land Reclamation
Iran: Razavi Khorasan Regional Water Authority
Dam and spillways
Type of damEmbankment, earth-fill
Height78 m (256 ft)
Length655 m (2,149 ft)
Width (crest)15 m (49 ft)
Dam volume4,500,000 m3 (5,885,778 cu yd)[1]
Spillway type8 x gated ogee
Total capacity1,250,000,000 m3 (1,013,391 acre⋅ft)
Active capacity735,000,000 m3 (595,874 acre⋅ft)
Inactive capacity300,000,000 m3 (243,214 acre⋅ft)
Power Station
Turbines3 x Francis-type
Installed capacity16 MW[2]

See alsoEdit


  1. ^ "Doosti Reservoir Dam". ToosAb International Consulting Engineers. Retrieved 30 April 2012.
  2. ^ "Doosti reservoir dam". Toosab Consulting. Retrieved 30 April 2012.
  3. ^ "Iran–Turkmenistan Friendship Dam to be operational",, 2004-11-04.
  4. ^ a b Food and Agriculture Organization of the United Nations, Regional Office for the Near East, "Iran–Turkmenistan friendship dam to open", 2005-04-09.