What is the Mekedatu dam project dispute? | Explained

The Mekedatu dam project remains a point of intense contention between Karnataka and Tamil Nadu, with legal battles ongoing over water sharing and environmental impact. Karnataka seeks to build a reservoir to address Bengaluru's water needs, while Tamil Nadu opposes the project.
Why it matters
The dispute illustrates the complex challenges of inter-state water management and the tension between urban development and environmental conservation.
The story so far: On November 18, the Karnataka government decided that it would submit a “revised” Detailed Project Report (DPR) to the Centre on the Mekedatu balancing reservoir across the inter-State river Cauvery. Five days earlier, the Supreme Court termed as “premature” the application of Tamil Nadu challenging the project proposed by Karnataka. With this development, the decks have been cleared for the Cauvery Water Management Authority (CWMA) and the Central Water Commission (CWC) to examine the upper riparian State’s proposal.
The article presents the arguments and perspectives of both state governments involved in the dispute in a balanced manner.
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