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Southwest Monsoon Drives Major Reservoirs to Capacity, Prompts Controlled Releases

Elevated outflows from dams in Karnataka, Kerala and Telangana aim to secure flood buffers, irrigation water, hydropower output

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Chief Minister Siddaramaiah with Deputy Chief Minister D.K. Shivakumar offers the customary 'bagina' to the Cauvery river, at Krishnaraja Sagar (KRS) dam in Mandya district of Karnataka, on Monday (PTI)
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Overview

  • Krishna Raja Sagar dam reached its full 124.8 ft level on June 29 for the first time in June since 1932
  • Kabini reservoir stood at 16.39 tmc ft (84% capacity) on June 29 with outflows of 30,000 cusecs exceeding 20,469 cusecs of inflow to maintain buffer levels
  • Basavasagar managers discharged 1.06 lakh cusecs on June 29 against 1.10 lakh cusecs of inflow to protect the Narayanapur reservoir
  • Srisailam storage doubled to 152.49 tmc ft by June 30 with inflows peaking at 144,806 cusecs and storage expected to reach at least 198 tmc ft by July 6
  • Tamil Nadu opened all 13 Mullaperiyar spillway shutters at 136.40 ft and Kerala’s Idukki rose to 2,363.56 ft (57.74% capacity) under coordinated release protocols