CM Vijay to Release Mettur Water for Delta Irrigation Today

For farmers across these regions, the annual release of Mettur water is not just an administrative event. It is the signal that marks the start of the primary crop cycle, the confirmation that irrigation is available, and the reassurance that another season of agricultural livelihood can be built.

A Delayed Start to the Season

Water is normally released from the Mettur dam on June 12 every year, marking the traditional start of delta irrigation. This year, however, inadequate rainfall in the Cauvery catchment areas prevented authorities from opening the dam on the customary date — creating anxiety across the delta farming community, particularly for those preparing for kuruvai, the short-duration paddy crop that anchors the early part of the delta cultivation calendar.

For weeks, farmers had been closely watching every rainfall update, every inflow report, and every reservoir level bulletin — knowing that the timing of the Mettur release would directly shape their entire season's viability.

The Karnataka Rainfall That Changed the Situation

Relief eventually came in the form of heavy rainfall in Karnataka over the past two weeks. Inflows into the Kabini and Krishnaraja Sagar reservoirs increased substantially — filling both dams rapidly and prompting Karnataka authorities to discharge surplus water into the Cauvery.

That surplus discharge translated into a steady rise in inflows to the Mettur reservoir, eventually pushing the dam's storage level past the 90-foot threshold. According to Water Resources Department officials, inflows into Mettur have risen consistently over the recent stretch — reaching 10,485 cusecs at one point, and giving officials the confidence to proceed with the long-awaited release.

The water level in the dam stood at 90.47 feet, with available storage recorded at 53.70 thousand million cubic feet (tmcft) heading into the release.

The Government's Decision

Responding to sustained demands from farmers across the delta, the Tamil Nadu government announced that water would be released from September 1 for a total of 45 days — subject to reservoir storage and inflow conditions — to facilitate irrigation in the delta districts.

That 45-day window is critical. It gives farmers a defined planning horizon for their kuruvai paddy cultivation and related agricultural operations, and creates the operational certainty needed to mobilise labour, inputs and machinery across the delta.

The Release Plan

CM Vijay will formally open the sluice gates of the Stanley Reservoir at Mettur at around 10 am on Tuesday. Initially, 3,000 cubic feet per second (cusecs) of water will be released into the Cauvery. The discharge will subsequently be increased in phases, depending on irrigation requirements and continued inflows into the reservoir.

That phased approach is a sensible one — allowing officials to calibrate the release based on real-time inflow conditions from Karnataka, downstream demand across the delta districts, and the reservoir's evolving storage position.

Meanwhile, 2,000 cusecs continues to be released to meet drinking-water requirements in districts dependent on the Cauvery — ensuring that essential water security needs are being maintained even as agricultural release begins.

The Chief Minister's Visit

The Chief Minister will arrive at Omalur Kamalapuram airport in Salem by a private aircraft from Chennai. From there, he will travel by road to Mettur to formally open the dam's sluice gates. This visit also marks his first to Mettur since assuming office on May 10.

Extensive arrangements have been made for the visit. Party flags have been erected along the route from the airport to Mettur, while iron barricades have been installed on both sides of the roads leading from Omalur to Mecheri and Mettur.

Police have strengthened security across Salem district, anticipating that large crowds may gather along the route to receive the Chief Minister. Additional personnel have been deployed at the airport, Mettur dam, and other important locations, besides the roads through which his convoy will pass.

Why It Matters

For nearly 16 lakh acres of agricultural land and hundreds of thousands of farming families across the Cauvery delta, Tuesday's release is far more than a scheduled bureaucratic event. It is the operational trigger that determines whether standing crops can be sustained, whether new plantings can proceed, and whether the season can be salvaged after a difficult, delayed start.

The delta region is one of Tamil Nadu's most agriculturally significant zones — producing a substantial share of the state's paddy output and supporting a farming economy that ripples through rural credit systems, mandi networks, food processing chains and household income patterns.

When water flows through the delta again, the effects extend well beyond the fields themselves.

The Cauvery Backdrop

The release also unfolds against the broader backdrop of the long-running Cauvery water dispute between Tamil Nadu and Karnataka. On August 31, the Supreme Court postponed further consideration of the Cauvery water dispute to September 15, following Tamil Nadu's request for Karnataka to clear the backlog in water releases. Karnataka has contended that it is already releasing more than the stipulated quantity.

A bench of Justices Vikram Nath and Sandeep Mehta directed the parties to file updates and scheduled further hearings for September 15 — keeping the Cauvery dispute active in the legal calendar even as the current release proceeds on the ground.

Industry and Agricultural Impact

For Tamil Nadu's paddy economy, the September 1 release is critical. Kuruvai paddy cultivation in tail-end districts of the delta particularly depends on steady, uninterrupted Cauvery water availability. Farmers in these tail-end regions have consistently appealed to the government to manage the available water carefully — ensuring that irrigation reaches every command area, not just the districts nearest to the reservoir.

For agricultural extension services, procurement authorities, seed suppliers, and rural credit institutions, the release starts a chain of operational activities that will define the coming farming quarter.

Cultural and Community Impact

The Mettur dam release is also a moment of significant cultural resonance in Tamil Nadu. It marks the beginning of hope for delta communities that have historically built their identity around paddy farming, irrigation cycles and the rhythm of the Cauvery. When the sluice gates open, they open more than water flow — they open a season of possibility for entire villages, families and rural economies.

The Bigger Picture

Tuesday's Mettur dam release is a story built around three intersecting elements — the natural cycle of monsoon rainfall in Karnataka's catchment areas, the administrative decision-making of the Tamil Nadu government, and the deeply personal hopes of the delta farmers whose livelihoods depend on every cusec of water released.

For farmers who have watched the reservoir levels anxiously through weeks of uncertain inflows, the moment the sluice gates open on Tuesday will represent tangible relief. For the state government, it marks an important early-tenure decision on agricultural water management. For the delta as a whole, it marks the return of the flow that has sustained one of India's most historically important agricultural regions for generations.

As the 3,000 cusecs of water begin their journey down the Cauvery on Tuesday, they will carry with them the weight of an entire delayed season — and the promise of what still remains possible if the remaining weeks of rainfall, inflows, and irrigation management come together well. For Cauvery delta farmers, the wait is finally ending. And on Tuesday morning at Mettur, the sound of the sluice gates opening will be one of the most welcome sounds of the year.

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