Thursday, July 29, 2021

T.N. scores hat-trick in Cauvery water realisation

For the third 12 months in a row, Tamil Nadu obtained the next amount of Cauvery water throughout the water 12 months 2020-21 (June-May) than its quota.

Against the 177.25 tmc ft (thousand million cubic ft) prescribed by the Supreme Court, the State realised 34 tmc ft in extra. As per the readings taken by the Central Water Commission in Biligundlu on the inter-State (Karnataka-Tamil Nadu) border, it netted round 211 tmc ft from June 2020 to May 2021. But this was decrease than what Tamil Nadu received in the earlier two years — roughly 405 tmc ft in 2018-19 and 275 tmc ft in 2019-20.


This was the second time in the final 20 years that the State recorded, no less than for 3 consecutive years, greater realisation than its due. The earlier event was the interval from 2005-06 to 2011-12, when Tamil Nadu obtained a minimal of about 210 tmc ft in 2008-09 and a most of round 384 tmc ft in 2005-06. On a median, the annual realisation throughout these seven years was round 269 tmc ft.

It stays to be seen whether or not the State’s luck would proceed this 12 months, too. There is an expectation amongst water specialists in the State that the realisation throughout the 12 months could be good, contemplating the beneficial forecast on the southwest monsoon (June-September). Of the State’s total share of 177.25 tmc ft, the 4 months account for 123.14 tmc ft. The State depends on the Cauvery flows throughout the interval, because it doesn’t profit a lot immediately from the monsoon, although water is required for sustaining paddy, raised as a part of the short-term Kuruvai cultivation season, and commencing preliminary operations for the long-term Samba season.


Last 12 months, the State’s realisation throughout the southwest monsoon was 120.22 tmc ft, about 3 tmc ft wanting its share. But, as in the previous, it was throughout the northeast monsoon (October-December) that the State realised 75 tmc ft, although its quota was 41.35 tmc ft for the three months. Generally, the farmers of the Cauvery delta themselves usually are not reliant on provides from the Mettur dam — the lifeline for agriculturists — throughout the northeast monsoon because the delta would even in any other case be reeling from heavy rain in these months.

The authorities is but to announce whether or not it will start water provide from Mettur for irrigation on the scheduled date of June 12. As on date, the water degree stands at 97.22 ft (full degree: 120 ft), with storage being 61.3 tmc ft (capability: 93.47 tmc ft).

Though the Cauvery Water Management Authority and Water Regulation Committee haven’t but knowledgeable the States of the Cauvery basin about their customary conferences firstly of the water 12 months, they’re anticipated to have their deliberations shortly.

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