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Mettur Reservoir Hits Full Level for Seventh Time in 2025 as Releases Intensify

Heavy inflows from Karnataka’s Cauvery catchment are driving controlled discharges.

Overview

  • The Stanley Reservoir reached its full reservoir level of 120 feet on October 20 with storage at 93.47 tmc ft.
  • Authorities began releasing about 30,000 cusecs into the Cauvery, including 22,300 cusecs via power houses and 7,700 cusecs through the Ellis Saddle surplus sluices.
  • Inflow measured 30,500 cusecs at 8 a.m. on October 21, keeping the level at the full mark.
  • A flood alert was issued to 11 delta districts, with advisories for residents in low-lying and riverbank areas to move to safer locations.
  • Additional regulated flows include irrigation canal releases of 500 cusecs and about 800 cusecs through upper sluice gates for drinking-water needs.