Diyala Weir

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Diyala Weir
Diyala Weir3 USACE NWD.jpg
Diyala Weir is located in Iraq
Diyala Weir
Location of Diyala Weir in Iraq
Location 90km northeast of Baghdad, Iraq, Diyala Governorate, Iraq
Coordinates 34°03′52″N 44°58′53″E / 34.06444°N 44.98139°E / 34.06444; 44.98139Coordinates: 34°03′52″N 44°58′53″E / 34.06444°N 44.98139°E / 34.06444; 44.98139
Construction began 1966
Opening date 1969
Operator(s) Ministry of Water Resources
Dam and spillways
Impounds Diyala River

Diyala Weir, also known as the Diyala Barrage or Diyala Weir, is a diversion dam on the Diyala River 90 km northeast of Baghdad, Iraq. It was constructed between 1966 and 1969. The main purpose of the dam is to divert outflow of the Hemrin Dam (11 km upstream) on the Diyala River to the Khalis and Sadr Al-Mushtarak canals for irrigation.[1]

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 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.

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