Aras Dam

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Dam in Azerbaijan and Iran

title: "Aras Dam" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["dams-completed-in-1970", "dams-in-azerbaijan", "dams-in-west-azerbaijan-province", "nakhchivan-autonomous-republic", "iran–soviet-union-relations", "earth-filled-dams", "hydroelectric-power-stations-in-iran", "hydroelectric-power-stations-in-azerbaijan", "hydroelectric-power-stations-built-in-the-soviet-union"] description: "Dam in Azerbaijan and Iran" topic_path: "geography/iran" source: "https://en.wikipedia.org/wiki/Aras_Dam" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Dam in Azerbaijan and Iran ::

::data[format=table title="Infobox dam"]

FieldValue
nameAras Dam
imageAras-dam-note.jpg
image_captionThe memorial plate of Aras dam in Jolfa
location_mapAzerbaijan
location_map_captionLocation of the Aras Dam on the border of Azerbaijan and Iran
countryIran
Azerbaijan
locationPoldasht, Nakhchivan
statusO
construction_began1964
opening1971
dam_height40 m
dam_length1026 m
dam_width_crest8 m
spillway_capacity66.5 m3/s
res_nameAras Reservoir
res_capacity_total1.35 km3
res_surface145 km2
plant_operatorAzerenerji
Iran Water Resources Management Company
plant_commission1971
plant_turbines4 × 11 MW
plant_capacity44 MW
mapframeyes
mapframe-zoom11
::

| name = Aras Dam | name_official = | image = Aras-dam-note.jpg | image_size = | image_caption = The memorial plate of Aras dam in Jolfa | image_alt = | location_map = Azerbaijan | location_map_size = | location_map_caption = Location of the Aras Dam on the border of Azerbaijan and Iran | coordinates = | country = Iran Azerbaijan | location = Poldasht, Nakhchivan | status = O | construction_began = 1964 | opening = 1971 | demolished = | cost = | owner = | dam_type = | dam_height = 40 m | dam_length = 1026 m | dam_width_crest = 8 m | dam_width_base = | dam_volume = | dam_crosses = | spillway_count = | spillway_type = | spillway_capacity = 66.5 m3/s | res_name = Aras Reservoir | res_capacity_total = 1.35 km3 | res_catchment = | res_surface = 145 km2 | res_max_depth = | res_tidal_range = | plant_operator = Azerenerji Iran Water Resources Management Company | plant_commission = 1971 | plant_decommission = | plant_type = | plant_turbines = 4 × 11 MW | plant_capacity = 44 MW | plant_annual_gen = | website = | extra = | mapframe = yes | mapframe-zoom = 11 The Aras Dam (; ) 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 generation and water supply.

History

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 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. | title = Middle East economic digest | first = Elizabeth | last = Collard | volume = 15 | publisher = I.B.Tauris | year = 1971 | page = 772}}

A supplementary protocol to the border agreement of 1954 between Iran and the Soviet Union was signed on 7 May 1970 in Moscow to re-delimit the border along the Aras Reservoir. | url = http://www.law.fsu.edu/library/collection/limitsinseas/ibs025.pdf | title = Iran – U.S.S.R. Boundary | journal = International Boundary Study | issue = 25 | publisher = The Geographer | date = 1978-02-28 | page = 6 | access-date = 2011-01-29 | archive-url = https://web.archive.org/web/20120509234305/http://www.law.fsu.edu/library/collection/LimitsinSeas/IBS025.pdf | archive-date = 2012-05-09 | url-status = dead

Specifications

Dam

The Aras Dam is 40 m tall from its foundation and 34 m tall from the riverbed. It is an embankment type dam with sand fill and a clay core. It is 1026 m long and 8 m wide on its crest.

Reservoir

The Aras Reservoir (), also known as Aras Water Junction (), is a large reservoir created by the Aras Dam and shared by Nakhchivan exclave of Azerbaijan Republic and Iran.

At a normal water elevation of 777.5 m above sea level, the dam withholds a reservoir of 1.35 km3 with a surface area of 145 km2. | url = http://www.ecogeodb.com/ECO_Detail.asp?P=Water%20resources&CN=Azerbaijan&C=AZE | title = Information on Water Reservoirs | publisher = Water resources database | access-date = 2011-02-15 | archive-url = https://web.archive.org/web/20110710165642/http://www.ecogeodb.com/ECO_Detail.asp?P=Water%20resources&CN=Azerbaijan&C=AZE | archive-date = 2011-07-10 | url-status = dead Of the reservoir's normal capacity, 1.15 km3 is active or "useful" while 0.2 km3 is inactive or dead storage. The maximum storage of the reservoir is 1.75 km3. The reservoir is 52 km long and 6.1 km wide. The average depth at normal water levels is 18.2 m.

There are a total of four hydroelectric stations in Azerbaijan and Iran (two on each side) with four turbines. The discharge capacity of one spillway of a station is 66.5 m3/s.

Since its opening, the reservoir has provided irrigation water for 400000 ha of arable land in Azerbaijan and Iran, including about 60000 ha in Dasht-e Moghan area. |url=http://mst.gov.az/MST/SA_2.html |title=Su anbarlari |trans-title=Water reservoirs |publisher=Melioration |language=az |access-date=2011-02-15 |url-status=dead |archive-url=https://web.archive.org/web/20110119071310/http://mst.gov.az/MST/SA_2.html |archive-date=2011-01-19 | url = https://books.google.com/books?id=dbqRxXWl7GkC&pg=PA135 | title = The neglected garden: the politics and ecology of agriculture in Iran | first = Keith Stanley | last = McLachlan | publisher = I.B.Tauris | year = 1988 | page = 135 | isbn = 978-1-85043-045-2}}

Power station

The dam's power station contains four turbine-generators for a capacity of 11 MW each. Two of the generators are on the Iranian side and the other two on the Azerbaijani side, along with the dam's spillway. The discharge capacity of one spillway of a station is 66.5 m3/s. The total installed capacity is 44 MW. | title = World water | volume = 12 | publisher = T. Telford Ltd. | year = 1989 | page = cxxxv}}

References

References

  1. "Agreement between Iran and the Soviet Union for the joint utilisation of the frontier parts of the rivers Aras and Atrak for irrigation and power generation". Iran, USSR.
  2. (March 2007}}{{Dead link). "The Science and Politics of Large Dam Project Aras river basin: dam facility and water management policy. An analysis on performance". [[Eawag]].

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