Tamil Nadu News

Cauvery Water Shortage in Tamil Nadu

October 9 , 2026 13 hrs 0 min 16 0

Tamil Nadu recorded its lowest Cauvery water realisation in 14 years during the southwest monsoon (June–September) in 2026.
The State received only 44.208 thousand million cubic feet (tmc ft) against the usual 123.14 tmc ft, a shortfall of nearly 79 tmc ft.
Mettur Dam had 36.639 tmc ft of storage as of October 2026, with about 10 tmc ft reserved for drinking water, environmental flows and dead storage.
Cauvery delta paddy coverage fell to 1.68 lakh acres by October 5, compared with 2.64 lakh acres during the same period in 2025–26.
Cuddalore and Tiruvarur together accounted for about 72% of the current delta paddy coverage.