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Hirakud Dam on Mahanadi is the largest dam
in India.
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Longest Dam in India
Hirakud Dam built on Mahanadi River is the longest
dam in India. The overall length of the main dam is 4.8 km, and the
total length is 25.8km with dam and dykes taken together. The dam is
about 15 km upstream of Sambalpur town in State of Orissa and was the
first post independence major multipurpose river valley project in
India. The dam irrigates 436000 ha of CCA in Mahanadi delta and has an
installed capacity of 307.5 MW. Hirakud Dam is a composite structure of
Earth, Concrete and Masonry. Hirakud Dam intercepts 83400 sq. km (32200
sq miles) of Mahanadi catchments. It has a reservoir spread of 743 sq km
at full reservoir level and the reservoir has a storage of 5818 M. Cum
with gross of 8136 M Cum.
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