Diyala Weir, also known as the Diyala Barrage, is a diversion
dam
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...
on the
Diyala River
The Diyala River (Arabic: ; ku, Sîrwan; Farsi: , ) is a river and tributary of the Tigris. It is formed by the confluence of Sirwan river and Tanjaro river in Darbandikhan Dam in the Sulaymaniyah Governorate of Northern Iraq. It covers a total ...
90 km northeast of
Baghdad, Iraq
Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the list of largest cities in the Arab world, second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the ...
. It was constructed between 1966 and 1969. The main purpose of the dam is to divert outflow of the
Hemrin Dam
The Hemrin Dam is a dam on the Diyala River 100 km northeast of Baghdad, Iraq. The main purpose of the dam is flood control, irrigation and hydroelectric generation. Its power station has a 50 MW capacity. The dam and the attached power house ...
(11 km upstream) on the Diyala River to the Khalis and Sadr Al-Mushtarak canals for irrigation.
Suspended and solute loads on the Lower Diyala River
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The weir and its associated extensive irrigation scheme, were designed in the 1960s by the Consulting Engineers Sir Murdoch McDonald and Partners, of High Holborn, London. At each end it incorporates irrigation canals. These and the weir are crossed by road bridges designed to take the heaviest loads, namely a tank
A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engin ...
on a wheeled transporter. The bridge works were designed by the then Captain B P Daly of Royal Engineers, who was attached to the Consultants. The weir was featured on a set of three Iraqi postage stamps.
See also
*List of dams and reservoirs in Iraq
The following is a list of dams and reservoirs in Iraq. They are sorted according to their location in either the Euphrates or the Tigris river basin.
Dams in the Euphrates basin
*Duban Regulator, on the Euphrates, regulating the flow of the Eu ...
References
External links
*
{{Diyala River dams
Dams in Iraq
Dams on the Diyala (Sirwan) River
Dams completed in 1969
1969 establishments in Iraq