Due to low water levels in the Mettur Dam, the scheduled release of water for canal irrigation on August 1 has been halted, affecting thousands of acres in Tamil Nadu.

Key Takeaways

  • Water release for east and west bank canals from Mettur Dam was postponed.
  • Delta irrigation remains the primary priority for the Water Resources Department.
  • Over 45,000 acres in Salem, Namakkal, and Erode are awaiting irrigation.
  • Rainfall in Karnataka catchment areas is expected to improve inflow soon.

Salem, Tamil Nadu: In a significant blow to local agriculture, water was not released from the Stanley Reservoir (Mettur Dam) for the scheduled canal irrigation on Saturday, August 1. The postponement is a direct consequence of poor water availability within the reservoir.

Irrigation Delays and Agricultural Impact

Typically, following the delta irrigation phase, water discharge for canal irrigation begins on August 1 and continues for 137 days until mid-December. This cycle is vital for irrigating over 45,000 acres across the Salem, Namakkal, and Erode districts. However, this year has been particularly difficult, as even the June 12 delta irrigation release was delayed due to scarcity.

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Why This Matters

BozokMedia analysis shows that the disruption in the Mettur Dam discharge schedule creates a domino effect on the regional economy, specifically impacting crop cycles and the livelihoods of thousands of farmers who depend on the canal network.

The delay in canal irrigation highlights the growing vulnerability of South Indian agriculture to fluctuating reservoir levels and erratic monsoon patterns.

Officials from the Water Resources Department (WRD) emphasized that the current priority is to satisfy delta irrigation requirements first. Only after these needs are met will the department consider discharging water for the canal system.

Current Reservoir Statistics

As of Saturday, the water level in the Mettur Dam stood at 73.49 feet against its maximum capacity of 120 feet. The total storage was recorded at 35.77 tmc ft, significantly lower than its 93.47 tmc ft capacity. While irrigation is stalled, the discharge into the Cauvery River for drinking purposes has been increased to 1,500 cusecs to ensure municipal supply.

Did You Know?: Canal irrigation discharge from Mettur Dam has been a consistent practice for 71 years, occurring 62 times in that period.

Frequently Asked Questions

1. Which districts are most affected by this delay?
The districts of Salem, Namakkal, and Erode are primarily dependent on this release for their canal irrigation.

2. Will the rain in Karnataka help?
Yes, according to the IMD, recent rains in the Karnataka catchment areas are expected to increase the inflow into the dam in the coming days.