According to a telegram from the Ministry of Agriculture and Rural Development (MARD) at 8:00 a.m. on August 2, the upstream water level of Tuyen Quang hydroelectric lake is at an elevation of 109.73m, the water flow to the lake is 2,331 m3/s. Tuyen Quang Hydropower Company opened a blowdown gate at 12 o'clock on the same day.
At 12 o'clock, because the water level upstream of the lake increased to an elevation of 110.28m, the water flow to the lake was 3,126 m3/s. The Ministry of Agriculture and Rural Development continues to issue an urgent telegram ordering the Director of Tuyen Quang Hydropower Company to open the second blowdown gate at 3:00 p.m. and open the third blowdown gate at 5:00 p.m. on August 2.
The total water flow through the machine with 3 bottom discharge outlets is about 2,320 m3/s; The corresponding downstream water level behind the project is 55.20m. After many years, Tuyen Quang hydropower plant had to open 3 bottom discharge gates.
The Office of the Steering Committee for Natural Disaster Prevention and Search and Rescue of Tuyen Quang province requests districts and cities to direct downstream localities to urgently notify and direct the implementation of measures to ensure safety for people. and property when Tuyen Quang hydroelectric reservoir floods.
