Interstate River Water Dispute

Kalasa-Banduri Dam Project

Note4Students

From UPSC perspective, the following things are important :

Prelims level : Kalasa-Banduri Dam Project

Mains level : Inter-state water disputes

India is on the brink of an acute water crisis, which has, to an extent, fabricated a looming threat of trans-boundary water conflicts. The conflict on the Mandovi / Mahadayi River— flowing through Goa, Karnataka and Maharashtra— is one such example.

Try this PYQ:

What is common to the places known as Aliyar, Isapur and Kangsabati?

(a) Recently discovered uranium deposits

(b) Tropical rain forests

(c) Underground cave systems

(d) Water reservoirs

Kalasa-Banduri Project

  • The project undertaken by the Karnataka government proposes to divert Mandovi river water from Kalasa and Banduri canals into the Malaprabha river in the state.
  • The project received clearance from the Centre in 2002. It aims to construct a total of 11 dams on the river Mandovi.
  • The diversion of water from Kalasa and Banduri nullahs, however, has been the point of contention between Karnataka and Goa, with the latter claiming it would strip the state of its flora and fauna.

The conflict

  • The Mandovi originates from Karnataka’s Belgaum district.
  • The Mandovi river basin falls into the states of Goa, Karnataka and Maharashtra.
  • The river is 81 kilometres (km) in length; 35 km of which flows in Karnataka, 1 km in Maharashtra and 45 km in Goa.
  • The seeds of the conflict were sowed over 40 years ago: In 1985Karnataka initially explored a 350 megawatt-hydro-electric project to divert 50 per cent of the Mandovi river water in Karnataka for irrigation.
  • The plan was also to allow a steady flow of water from the power project’s storage dam after using the water for irrigation purposes in Karnataka.
  • This would have served to drinking water and irrigation purposes in Goa as well.
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