Parts of the irrigation system are said to originally date to the time of Darius the Great, an Achaemenian king of Iran. It partly consists of a pair of primary diversion canals in the Karun river, one of which is still in use today.
Shushtar Historical Hydraulic System, is a complex irrigation system of the island city Shushtar from the Sassanid era which consists of 13 dams, bridges, canals and structures which work together as a hydraulic system.Located in Iran’s Khuzestan Province. It was registered on UNESCO’s list of World Heritage Sites in 2009 and is Iran’s 10th cultural heritage site to be registered on the United Nations’ list.
Shushtar infrastructure included water mills, dams, tunnels, and canals. Gargar Bridge-Dam was built on the watermills and waterfalls. Bolayti canal is situated on the eastern side of the water mills and water falls and functions to supply water from behind the GarGar bridge to the east side of water mills and channel the water in order to prevent damage to the water mills.
