As water level in the Mullaperiyar dam decreased, Tamil Nadu officials closed three of its 13 spillway shutters on Wednesday.
According to officials, Tamil Nadu raised 13 spillway shutters of the dam on Saturday after heavy inflow to the reservoir. On Wednesday, the water level at Mullaperiyar declined to 137.90 ft, and Tamil Nadu closed three shutters and 10 shutters remain raised by 150 cm. The water level at the dam at 3 p.m. was 137.90 ft and the tunnel discharge was 1,789 cusecs. Also, 3,187 cusecs is being released to the Periyar.
The average inflow to the dam at 3 p.m. was 4,692.56 cusecs. The upper limit of the dam till October 31 is 138 ft.
At Idukki
Meanwhile, the water level at Idukki reservoir rose to 2,384.86 ft on Wednesday. The red alert level is 2,398.31 ft and the upper rule level is 2,399.31 ft.
The district experienced low rainfall on Wednesday.
Published – October 22, 2025 07:09 pm IST
