The Stanley Reservoir in Mettur, Salem district, reached its full reservoir level (FRL) of 120 feet on October 20, 2025, for the seventh time this year.
Due to this, a flood alert has been issued to 11 delta districts.
Mettur Dam reached full level earlier on June 12, July 5, July 28, August 19, September 15, and October 3, 2025.
The last time the dam reached FRL seven times in a year was in 1977.