Officially named the Lioyd Barrage but famous as Sukkur Barrage (built on river indus 5 km below sukkur gorge); it is the largest system of its kind in the world.
The Barrage was built during the British Raj from 1923 to 1932 and named Lloyd Barrage. (Sir George Ambrose Lloyd Governor of Bombay) who started this project.
It has 66 gates/spans in the range of Rohri & Sukkur Ditricts.
Sukkur Barrage is the backbone of pakistan's economy, providing, through its network of canals, irrigation to approximately 25 percent of the total canal irrigated area of the country.
Seven Canals originate from the barrage. The Nara Canal is the largest in country having discharge almost equal to River Thames, England.