Band-i Mizan
Shushtar, Iran
Band-i Mizan is a weir situated at the head of the Ab-i Girgir canal in Shushtar. The weir was originally constructed in the Sasanian period but has been renovated since, and a new esplanade has been constructed along the riverbank adjoining it. The weir may have originally been part of a larger project sponsored by the Sasanians to construct bridges, weirs, canals, and mills throughout the Khuzistan region.

The weir controls the flow of water into the Ab-i Girgir, a canal dug during the Sasanian period or possibly earlier that diverts waters from the Karun River through a gorge on the east side of Shushtar. The waters of the Ab-i Girgir were dammed further down the gorge to power a number of mills below. The weir has nine openings through which water from the Karun enters the canal. 


Graadt van Roggen, D. L. “Notice sur les anciens travaux hydrauliques en Susiane.” In Mémoires de la Mission archéologique de Perse. Mémories de la Délégation en Perse, Tome 7: Recherches archéologiques. Duxieme série:167–207. Paris: Ernest Leroux, 1905.
Shushtar, Iran
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originally constructed ca. 4th-6th c. CE, with many renovations thereafter
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Band-i Mizan