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Monsoon Surge Fills Southern India Dams, Authorities Calibrate Releases

Reservoirs from KRS to Srisailam are at or above capacity, prompting staggered discharges under a coordinated flood-warning system.

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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 level of 124.8 ft in June for the first time since 1958, marking the earliest June fill on record after sustained monsoon inflows.
  • Srisailam reservoir storage doubled to 152.49 tmc ft, four times last year’s June volume, with inflows peaking at 144,806 cusecs on June 30.
  • Operators at Kabini and Basavasagar reservoirs have kept outflows at or above inflow rates to maintain safety buffers and protect downstream communities.
  • Tamil Nadu Public Works Department opened all 13 spillway shutters at Mullaperiyar dam once water crossed the 136 ft rule-curve threshold.
  • Urban water supply dams rose to half capacity in Pune and 47.4% in Nashik, and staggered releases continue under disaster-management alerts ahead of further rain.