Hirakud Dam : The longest Dam in the world and it’s construction history

Hirakud Dam in Odisha is one of the longest dams in the world, about 16 mi (26 km) in length, the world’s longest earthen dam. Built in 1957, across the Mahanadi River about 15 km from Sambalpur in the state of Odisha. It is one of the first major multipurpose river valley project started after India’s independence. Before the devastating floods of 1937, Sir M. Visveswararya proposed a detailed investigation for storage reservoirs in the Mahanadi basin to tackle the problem of floods in the Mahanadi delta. It was decided to invest in the potential benefits of controlling the Mahanadi for multi-purpose use. The Central Waterways, Irrigation and Navigation Commission took up the work. A project report was submitted to the Government in June 1947. Prime Minister, Pandit Jawaharlal Nehru laid the first batch of concrete on 12 April 1948. The dam was completed in the year 1953 and was formally inaugurated by Prime Minister, Jawaharlal Nehru on 13th January 1957. The total cost of the project was Rs. 100.02 crores in 1957. Power generation along with agricultural irrigation started in 1956, achieving full potential in the year 1966.


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