Supreme Court directs Karnataka to comply with Cauvery water release order

The Supreme Court of India, on August 17, 2026, issued a directive to the state of Karnataka, ordering it to comply with the decisions made by the Cauvery Water Management Authority (CWMA) concerning the release of Cauvery river water to Tamil Nadu. This directive came during a hearing of a plea filed by the Tamil Nadu government, which accused Karnataka of failing to adhere to the CWMA's instructions. The bench, comprising Justices Vikram Nath and Sandeep Mehta, acknowledged the arguments presented by both states and decided to post the matter for further consideration on August 24, 2026. In the interim, the court mandated that Karnataka ensure compliance with the CWMA's directions. During the proceedings, Tamil Nadu's legal representation, Senior Advocate C.S. Vaidyanathan, argued that Karnataka was not releasing the stipulated amount of water, leaving Tamil Nadu farmers without adequate supply. He highlighted that Karnataka's reservoirs reportedly held 76% live storage, yet the water reaching Tamil Nadu was significantly less than its entitled share. According to Tamil Nadu's claims, they had received only 14 TMC (thousand million cubic feet) of water against an entitlement of 64 TMC as per the Cauvery Water Disputes Tribunal award. Even accounting for this year's deficit in inflows, Tamil Nadu contended it should have received 55.29% of its share, resulting in a backlog of approximately 20 TMC. On the other hand, Senior Advocate Shyam Divan, representing Karnataka, contested the allegations of non-compliance. He asserted that the state was experiencing "extremely severe distress" in the Cauvery basin due to deficient rainfall. Divan pointed out that the CWMA itself had taken the prevailing water scarcity into account when issuing its directions. He stated that the CWMA's initial direction required Karnataka to release 3,500 cusecs of water for 15 days, up to August 11, a directive Karnataka claimed to have not only met but exceeded. Furthermore, regarding the subsequent direction for a release of 12,000 cusecs daily from August 12, Divan acknowledged an initial shortfall in the first few days but assured that Karnataka expected to compensate for it. He informed the court that the flow had increased to 12,607 cusecs by Monday morning, and reservoir gates had been opened. The dispute centers on the implementation of decisions by the CWMA, which was established to manage the sharing of Cauvery water among the basin states. Tamil Nadu had approached the Supreme Court on August 3, 2026, seeking enforcement of the CWMA's July 30 decision, which directed Karnataka to release 3,500 cusecs of water for 15 days. Tamil Nadu sought 4.536 TMC of water during this period. The state government also cited storage levels in Karnataka's four major reservoirs (Krishna Raja Sagara, Kabini, Harangi, and Hemavathy) as of August 3, which stood at 77.537 TMC, suggesting that Karnataka had sufficient water to release the due share. The Supreme Court's intervention underscores the ongoing challenges in resolving inter-state water disputes in India, particularly during periods of water scarcity. The court's directive for compliance and the request for a status report indicate a firm stance on ensuring adherence to the authority's decisions, while also acknowledging the potential distress faced by the upper riparian state. The next hearing on August 24 is expected to provide a clearer picture of the water release situation and Karnataka's compliance. The Cauvery water dispute is a long-standing issue, with historical roots tracing back to 1974, involving complex legal and hydrological considerations between Karnataka and Tamil Nadu.

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