According to the Official Dispatch, at 1:00 p.m. on June 30, 2025, the upstream water level of Tuyen Quang Lake was at the elevation of 106.16m, the downstream water level was 55.28m, the flow to the lake was 1,440m3/s, the maximum flow downstream was 2,271m3/s.
Implement the Inter-reservoir operation process in the Red River basin in Decision No. 740/QD-TTg dated June 17, 2019 of the Prime Minister, Decision No. 922/QD-TTg dated May 14, 2025 of the Prime Minister amending and supplementing a number of articles of the Inter-reservoir operation process in the Red River basin; Resolution No. 102/NQ-CP dated June 29, 2024 of the Government on ensuring the direction and operation of natural disaster prevention and control during the period of perfecting the direction and command of civil defense agencies at all levels, Document No. 3995/VPCP-NN dated May 8, 2025 of the Government Office on organizing monitoring, supervision and implementation of natural disaster prevention and control work, Minister of Agriculture and Environment and Order of Director of Tuyen Quang Hydropower Company:
Closing 01 bottom spillway gate of Tuyen Quang hydropower reservoir at 6:00 p.m. on June 30, 2025. Closely monitor the developments of floods, construction safety, flow to the reservoir, water levels upstream and downstream of the reservoir and promptly report to the Ministry of Agriculture and Environment (through the Department of Dyke Management and Natural Disaster Prevention and Control) and relevant agencies according to regulations).
On the same day, the Ministry of Agriculture and Environment also sent a document to the People's Committees of the provinces and cities: Tuyen Quang, Phu Tho, Vinh Phuc, Hanoi on ensuring safety downstream when operating Tuyen Quang hydroelectric reservoir.
The Ministry requests the People's Committees of provinces and cities to notify authorities at all levels, people, and organizations operating on rivers and along rivers to know information to proactively take measures to ensure safety and adjust operations appropriately; not allowing people to go to areas at risk of landslides, construction works under construction, to avoid unfortunate damage.
Timely report any unusual situations to the Ministry of Agriculture and Environment (through the Department of Dyke Management and Natural Disaster Prevention and Control).
Previously, on June 29, the Minister of Agriculture and Environment ordered the reopening of the two bottom spillways of Tuyen Quang hydroelectric reservoir at 12:00 and 18:00.
