Context: A flood alert has been sounded downstream of the Tungabhadra dam in Karnataka’s Koppal district after one of the 33 crest gates of the massive stone masonry dam across the Tungabhadra river was washed away
Important key facts related to Tungabhadra river and Dam:
- The Tungabhadra is formed at the confluence near Shimoga of two streams, Tunga and Bhadra, that rise in the Western Ghats.
- It flows into the Krishna at Sangameshwaram in Andhra Pradesh.
- It is influenced chiefly by the South-West monsoon.
- The river forms part of the boundary between Karnataka and Andhra Pradesh.
- TungaBhadra Dam (TB Dam) is a multipurpose dam built across TungaBhadra River in Hosapete, Ballari district.
- It is one of the major reservoirs in South India that supplies water for irrigation and industrial use, as well as drinking water to Karnataka and Andhra Pradesh.
- The wedge of land that lies north of the Tungabhadra, between the Tungabhadra and the Krishna, is known as the Raichur Doab.