Between September 29 and October 6, the Song Bung 4, A Vuong and Dak Mi 4 hydropower plants alternately discharge water due to the water levels in reservoirs are close to the normal rising water levels.

Many flooded roads and residential areas in Hoa Tien Commune, Hoa Vang District are pictured at noon on September 29. Photo: HOANG HIEP

At 7:00pm on September 29, the Song Bung 4 hydropower plant discharged water into theVu Gia River at a maximum capacity of 406m³/s, the Dak Mi 4 hydropower plant at 139m³/s, and the A Vuong hydropower plant at 77m³/s.

Accordingly, from 7:00 pm on odd days (September 29 and October 1, 3, and 5) to 7:00 am on even days (September 30 and October 2, 4 and 6), the Song Bung Hydropower Company discharges water from the Song Bung 4 hydropower reservoir to the downstream of Vu Gia River with a total discharge volume of water through generators and through overflow spillway larger than the water flow to the reservoir by 200-300m³/s.

The A Vuong and Dak Mi 4 hydropower plants still maintain their reservoirs’ water level, meaning that the volume of discharged water is equivalent to the volume of water flow to reservoirs.

From 7:00 am to 7:00 pm on even days (September 30 and October 2, 4 and 6), the A Vuong Hydropower Company operates the A Vuong hydropower reservoir to discharges water to the Vu Gia River with a total discharge volume of water through generators and through overflow spillway larger than the water flow to the reservoir by 100-150m³/s.

Meanwhile, the Dak Mi Hydropower JSC discharges the volume of water that is higher than the water flow to the reservoir by 50-150m³/s. The Song Bung 4 hydropower reservoir is operated to maintain reservoir water level.

The Quang Nam Provincial Commanding Committee of Natural Disaster Prevention and Control, Search and Rescue requires the aforementioned companies to ensure that they do not cause sudden and abnormal flows that directly threaten the lives and properties of people in riverside areas downstream of the reservoirs. Special attention should be paid to informing the authorities and residents in the downstream areas about the operation and regulation of reservoirs.

Reporting by HOANG HIEP - Translating by M.DUNG