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Important Facts For Prelims

Mullaperiyar Dam

  • 13 Dec 2019
  • 2 min read

Why in News

The Ministry of Jal Shakti has constituted a three-member Supervisory Committee to settle the issue of Mullaperiyar dam between Kerala and Tamil Nadu.

  • The tension between the two states over the issue has persisted since the 1960s, with Kerala citing concerns regarding the dam’s safety and arguing for the reduction of the dam’s water levels.
  • But with the water from the dam being diverted to five districts in Tamil Nadu and its importance in the state’s irrigation and power production practices, Tamil Nadu has consistently opposed this.

Mullaperiyar Dam

  • The Mullaperiyar dam is located on the confluence of the Mullayar and Periyar rivers in Kerala’s Idukki district.
  • It is operated and maintained by the Tamil Nadu for meeting the drinking water and irrigation requirements of five of its southern districts.
    • According to a 999-year lease agreement made during the British rule the operational rights were handed over to Tamil Nadu.
  • The dam intends to divert the waters of the west-flowing river Periyar eastward to the arid rain shadow regions of the Tamil Nadu.

Periyar River

  • The Periyar River is the longest river in the state of Kerala with a length of 244 km.
  • It is also known as ‘Lifeline of Kerala’ as it is one of the few perennial rivers in the state.
    • A perennial river is a channel that has continuous flow in parts of its stream bed all year round.
  • Periyar River originates from Sivagiri hills of Western Ghats and flows through the Periyar National Park.
  • The main tributaries of Periyar are Muthirapuzha, Mullayar, Cheruthoni, Perinjankutti.

Source: PIB

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