The Cauvery Water Management Authority, notified by the Centre on Friday, will determine the total residual storage in the specified reservoirs on June 1 every year. “The share of each State will be determined on the basis of the flows together with the available carry-over storage in the reservoirs,” the notification says.

The withdrawals will be allowed on the basis of the share worked out for each State.

“If the Authority finds that any Government of the party States, namely Tamil Nadu, Kerala, Karnataka and Union territory of Puducherry do not cooperate in implementing the decision or direction of the Tribunal, it can seek the help of the Central Government for implementation of the Award of the Tribunal as modified by the Hon’ble Supreme Court vide Order of 16th February, 2018,” the notification says.

Five-year tenure

The chairman of the authority will be appointed by the Central government for a tenure of five years. He has to be a senior and eminent engineer with wide experience in water resource management or an IAS officer in the rank of secretary or additional secretary. There will be two part-time members — representatives of the Central Government of the rank of Joint Secretary to be nominated by the Ministry of Water Resources, River Development and Ganga Rejuvenation and Ministry of Agriculture and Farmers’ Welfare respectively and four part-time members from party States — administrative secretaries in charge of Water Resource Departments of Kerala, Karnataka, Tamil Nadu and the union territory of Puducherry who shall be nominated by the State governments and Union territory administration respectively.