Latyan Dam (Persian: سد لتيان, also Romanized as Sadd-e Latyān) is a buttress dam on the Jajrood River, located less than 25 km from Tehran in the south of city of Lavasan. It is one of the main sources of water for Tehran metropolitan region. It was constructed between 1963 and 1967. The first generator in the dam's 45 MW hydroelectric power station was commissioned on 17 March 1969, the second on 13 April 1987.[1]
latyan Dam | |
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Official name | سد لتیان |
Location | Lavasan, Tehran Province, Iran |
Coordinates | 35°47′24.25″N 51°40′42.63″E |
Purpose | Water supply, power |
Construction began | 1963 |
Opening date | 1967 |
Dam and spillways | |
Impounds | Jajrood River |
Height | 107 m (351 ft) |
Length | 450 m (1,480 ft) |
Width (base) | 99 m (325 ft) |
Reservoir | |
Total capacity | 95,000,000 m3 (77,000 acre⋅ft) |
Commission date | 1969/1987 |
Type | Conventional |
Turbines | 2 x 22.5 MW |
Installed capacity | 45 MW |
Jajrood River basin is located in the southern part of central Alborz mountain range, the rocks of which date from the Palaeozoic era up to the Quaternary period, as below:
Map of central Alborz | Peaks: | 1 Alam-Kuh |
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![]() −25 to 500 m (−82 to 1,640 ft) 500 to 1,500 m (1,600 to 4,900 ft) 1,500 to 2,500 m (4,900 to 8,200 ft) 2,500 to 3,500 m (8,200 to 11,500 ft) 3,500 to 4,500 m (11,500 to 14,800 ft) 4,500 to 5,610 m (14,760 to 18,410 ft) |
2 Azad Kuh | 3 Damavand |
4 Do Berar | 5 Do Khaharan | |
6 Ghal'eh Gardan | 7 Gorg | |
8 Kholeno | 9 Mehr Chal | |
10 Mishineh Marg | 11 Naz | |
12 Shah Alborz | 13 Sialan | |
14 Tochal | 15 Varavašt | |
Rivers: | 0 | |
1 Alamut | 2 Chalus | |
3 Do Hezar | 4 Haraz | |
5 Jajrood | 6 Karaj | |
7 Kojoor | 8 Lar | |
9 Noor | 10 Sardab | |
11 Seh Hazar | 12 Shahrood | |
Cities: | 1 Amol | |
2 Chalus | 3 Karaj | |
Other: | D Dizin | |
E Emamzadeh Hashem | K Kandovan Tunnel | |
* Latyan Dam | ** Lar Dam |
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Major reservoirs and dams in Iran |
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Under construction |
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Ancient dams | ||
Also See: Dams and reservoirs in Iran |