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Tamil Nadu Government Formally Rejects New Mullaperiyar Dam, Commits to Raising Water Level to 152 Feet
The Tamil Nadu government has officially rejected Kerala's demand for a new Mullaperiyar dam, asserting instead that it will strengthen the existing structure and raise its water level to 152 feet in accordance with Supreme Court directives. The government has committed to taking strong measures to counter Kerala's efforts and will proceed with repairs and maintenance of the current dam.
Quick Facts
Who
Tamil Nadu government (TVK administration)
What
Rejected proposal for new Mullaperiyar dam
When
June 18, 2026
Where
Mullaperiyar
- Rejected proposal for new Mullaperiyar dam
- Committed to raising water level to 152 feet
- Pledged to strengthen existing dam structure
- Announced intention to take strong measures against Kerala's efforts
- Tamil Nadu government (TVK administration)
The Tamil Nadu government, led by the newly formed TVK administration, has officially rejected Kerala's proposal for a new dam at Mullaperiyar, reaffirming its commitment to strengthen and maintain the existing dam structure. In its inaugural policy address to the state assembly on June 18, 2026, the government declared it will not approve any new dam construction at the site, citing concerns over regional water management and inter-state cooperation.
The Tamil Nadu government has reiterated its commitment to implement Supreme Court directives from 2014, which approved raising the water level from 142 feet to 152 feet after structural reinforcement of the existing dam. The state aims to undertake necessary repairs and maintenance work on the current structure while progressing toward this water level increase. The government has explicitly stated it will take strong measures to counter Kerala's efforts to build a new dam, positioning itself as the defender of its water rights and downstream regions' interests.
The Mullaperiyar dam, which serves as a vital water source for southern Tamil Nadu districts, remains a point of contention between the two states. Kerala has persistently advocated for constructing a new dam to address its own water security concerns and dam safety issues, while Tamil Nadu has consistently opposed this proposal, arguing that the existing dam can be strengthened and maintained to serve both states' interests. The TVK government's formal rejection represents a continuation of Tamil Nadu's longstanding position on the dispute, backed by legal arguments and references to Supreme Court judgments.
Why This Matters
This decision directly impacts water security for southern Tamil Nadu districts and establishes critical precedent in the decades-long interstate water dispute. For readers concerned with infrastructure policy and regional water management, understanding Tamil Nadu's formal stance—backed by Supreme Court directives—is essential for tracking how states leverage legal instruments to protect resource rights and influence hydroelectric/agricultural planning. The TVK government's commitment to the 152-foot target signals accelerated implementation that could reshape regional water availability and inter-state negotiations.
Timeline & Sources
Jan 1, 2014
WireSupreme Court directs raising of water level to 142 feet and proposes 152 feet target after dam strengthening
Jun 18, 2026
WireTamil Nadu TVK government formally rejects new Mullaperiyar dam proposal in inaugural policy address