Tamil Nadu received approximately 330 tmc ft.
of Cauvery water at Billigundulu between June 2025 and May 2026, surpassing the prescribed 177.25 tmc ft.
set by the Cauvery Water Disputes Tribunal and amended by the Supreme Court in 2018.
Tamil Nadu Records Surplus Cauvery Water for Another Year
Tamil Nadu received approximately 330 tmc ft. of Cauvery water at Billigundulu between June 2025 and May 2026, surpassing the prescribed 177.25 tmc ft. set by the Cauvery Water Disputes Tribunal and amended by the Supreme Court in 2018.
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Tamil Nadu has recorded surplus Cauvery water inflow for the year spanning June 2025 to May 2026. At Billigundulu, the State received approximately 330 thousand million cubic feet (tmc ft.) of water, significantly exceeding the prescribed 177.25 tmc ft. outlined in the Cauvery Water Disputes Tribunal’s final award of 2007. This award was later amended by the Supreme Court in its 2018 judgment.
The surplus water highlights the continued abundance of inflow to Tamil Nadu, which has been a recurring trend in recent years. The data underscores the State's receipt of nearly double the mandated allocation, ensuring adequate water availability for agricultural and other needs.
The Cauvery Water Disputes Tribunal’s final award and subsequent Supreme Court amendment have long been pivotal in regulating water distribution among the basin states. Tamil Nadu's surplus inflow this year further emphasizes the importance of effective water management and cooperation among states sharing the Cauvery river.
This development is likely to have implications for irrigation and water resource planning in Tamil Nadu, given the consistent surplus inflow recorded at Billigundulu.
Further details on the implications of this surplus water and its impact on Tamil Nadu's agricultural sector remain to be analyzed.