Idukki: The water level at the Mullaperiyar dam here reached its maximum permissible storage capacity of 142 feet on Tuesday.
The Kerala government sounded an alert following this.
The third and final flood warning was issued by district authorities as the water level in the reservoir touched 142 feet at 10 am.
It took three hours to reach the water level from 141.95 feet, which was recorded at 7 am to 142 ft at 10 am, district authorities said.
While the tunnel discharge was 750 cusecs, the average inflow was 1,687.5 cusecs and the storage capacity was 7,666 million cubic feet, they added. 750 cusecs of water is being released to Tamil Nadu.
The 127-year-old Mullaperiyar dam has been a bone of contention between Kerala and Tamil Nadu for decades.
(With PTI inputs.)
