Aras Dam
| Aras Dam | |
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The memorial plate of Aras dam in Jolfa
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 Location of the Aras Dam on the border of Azerbaijan and Iran
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| Country |
Iran Azerbaijan |
| Location | Poldasht, Nakhchivan |
| Coordinates | 39°05′28″N 45°24′08″E / 39.09111°N 45.40222°ECoordinates: 39°05′28″N 45°24′08″E / 39.09111°N 45.40222°E |
| Status | Operational |
| Construction began | 1964 |
| Opening date | 1971 |
| Dam and spillways | |
| Height | 40 m (130 ft) |
| Length | 1,026 m (3,366 ft) |
| Width (crest) | 8 m (26 ft) |
| Spillway capacity | 66.5 m3/s (2,350 cu ft/s) |
| Reservoir | |
| Creates | Aras Reservoir |
| Total capacity | 1.35 km3 (1,090,000 acre·ft) |
| Surface area | 145 km2 (56 sq mi) |
| Power station | |
| Operator(s) |
Azerenerji Iran Water Resources Management Company |
| Commission date | 1971 |
| Turbines | 4 x 11 MW (15,000 hp) |
| Installed capacity | 44 MW (59,000 hp) |
The Aras Dam (Azerbaijani: Araz su anbarı) (Persian: سَدِّ اَرَس) is an embankment dam on the Aras River along the border of Iran and Azerbaijan. It is located downstream of Poldasht in West Azerbaijan Province, Iran and Nakhchivan City in Nakhchivan Autonomous Republic, Azerbaijan. The primary purpose of the dam is hydroelectric power production and water supply.
On 11 August 1957, a protocol was signed between the Soviet Union and Iran in Tehran to construct the Aras Dam on the Aras River. This was done at a time when Azerbaijan was under Soviet control. Construction on the dam began in 1963 and it was completed in 1970. The dam was officially inaugurated on 28 June 1971 by Iranian deputy prime minister Safi Asfia and the Deputy Chairman of the Soviet Council of Ministers Mikhail Yefremov.
A supplementary protocol to the border agreement of 1954 between Iran and the Soviet Union was signed on 7 May 1970 in Moscow to redelimit the border along the Aras reservoir.
The Aras Dam is 40 metres (130 ft) tall from its foundation and 34 metres (112 ft) tall from the riverbed. It is an embankment type with sand fill and a clay core. It is 1,026 metres (3,366 ft) long and 8 metres (26 ft) wide on its crest.
The Araz reservoir (Azerbaijani: Araz su anbarı), also known as Araz Water Junction (Azerbaijani: Araz Su Qovsağı) is a large reservoir created by the Aras Dam and shared by Nakhchivan exclave of Azerbaijan Republic and Iran.
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