The water level of the Hirakud Dam reservoir at Burla has gone up following heavy rains in the upper catchments of the Mahanadi in Chhattisgarh in the last 24 hours.
Rainfall recorded in the upper catchments of the dam since last 24 hours till Tuesday was 36.84 mm.
Dam Superintending Engineer Rabindra Kumar Panda said the water level of the reservoir, which had stood at 624.83 feet by 9 pm on Sunday, has gone up to 624.97 feet by 6 pm on Tuesday.
He said the water level is expected to touch the optimum level of 630 feet by October 20.