Surge in inflow into Kabini, Tungabhadra reservoirs

Water being released from the Kabini reservoir in H.D. Kote taluk of Mysuru district on Friday.   | Photo Credit: M.A. SRIRAM

The crest gates of the Kabini reservoir in Mysuru district, which were opened late on Thursday, saw a surge in the outflow since the early hours of Friday. This is the first time in the recent years that the water level in the reservoir is hovering at 2,280 feet as early as second week of June.

In north Karnataka too, with copious rain, for the first time in the recent years, the Tungabhadra reservoir at Hosapete has been getting good inflow, which is rare for June. This has raised the hopes of farmers in the Tungabhadra Command Area of early release of water for cultivation.

At the Kabini reservoir, the outflow, which was at the rate of around 16,200 cusecs at 6 a.m. on Friday, was stepped up to around 36,000 cusecs by 10 a.m., thanks to increase in the volume of water flowing into the reservoir in view of copious rain in the catchment area of the river along the upstream.

Though the authorities decided to regulate the outflow to match the inflow, which began to slightly recede around 12 noon, the 6 p.m. reading indicated that the rate of inflow was steady at around 35,000 cusecs. Assistant Executive Engineer of the reservoir Puttasheshagiri said the outflow would be regulated to match the rate of inflow so as to balance the reservoir level. It is likely that the outflow would be reduced by Saturday morning, depending on the inflow.

The full reservoir level of the Kabini reservoir, located at Beechanahall in H.D. Kote taluk of Mysuru district, is 2,284 feet and the water level was hovering at around 2,280 feet on Friday. “This is as good as full because the water is never impounded so as to reach the FRL, especially when there is a possibility of rain,” he said.

Storage in TB reservoir

On Friday, the inflow into the Tungabhadra reservoir was at around 48,410 cusecs, taking the reservoir level to 1,592.57 feet as against the FRL of 1,633 feet. Presently the storage in the reservoir has gone up to 11.906 tmcft. Last year, on the same day (June 15), the reservoir level was at 1,568.85 feet, holding around 0.930 tmcft water, while the inflow was at 320 cusecs.

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Printable version | Apr 21, 2021 5:22:44 AM | https://www.thehindu.com/news/national/karnataka/surge-in-inflow-into-kabini-tungabhadra-reservoirs/article24176466.ece

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