The Stanley Reservoir in Mettur has seen a rise in the water level by more than 10 ft in a fortnight. The level was 40 ft on June 17 as against the full reservoir level (FRL) of 120 ft, and had been rising since then owing to the release of water from the Karnataka reservoirs following widespread rainfall in the catchment areas. It was 63.72 ft on Monday.
The realisation of water in River Cauvery at Mettur rose to as high as 32,421 cusecs on June 18. The storage level rose by about 10 ft within four days to touch the 50 ft mark on June 21. However, the inflow dipped as Karnataka closed the shutters when the rain stopped.
From 53.04 ft on June 24, it rose to 63.72 ft on Monday, taking 15 days for a rise by 10 ft.
In this fortnight, the dam received copious inflow only on five days – 18,428 cusecs (June 24); 13,694 cusecs (June 25); 10,383 cusecs (July 1); 18,824 (July 2); 10,792 cusecs (July 3).
Meanwhile, Karnataka stepped up the discharge from the Kabini reservoir, which was fast filling up after rain resumed in the catchment. This pushed the inflow into River Cauvery to 35,000 cusecs a couple of days ago.
The released water is expected to reach the reservoir in Mettur on Tuesday, and further raise the storage. The storage on Monday was 27.536 tmc, as against the reservoir’s capacity of 93.47 tmc.
It may be recalled that due to poor storage the sluices of Mettur Dam were not opened on the customary date of June 12 for commencing farm operations in the dozen delta districts.
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