As of 8:00 a.m. on October 29, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.73 m; water flow to the lake reached 1,474 m3/s; total discharge was 1,437 m3/s.
Implementing the inter-reservoir operation process in the Red River basin, Hoa Binh Hydropower Plant closed a bottom spillway gate at 11:00 on October 22 to stabilize downstream flow. When closing a bottom spillway, the downstream water level will gradually decrease.
At Tuyen Quang Lake, by 7:00 a.m. on October 29, the upstream water level reached 119.04 m; the water flow to the lake reached 401 m3/s; the total discharge was 185.41 m3/s. Implementing the inter-reservoir operation process in the Red River basin, Tuyen Quang Hydropower Plant closed 1 bottom spillway gate of Tuyen Quang Hydropower Plant at 6:00 p.m. on October 24.
As of 8:00 a.m. on October 29, Son La Lake had an upstream water level of 214.89 m; water flow to the lake was 773 m3/s; total discharge was 1,884 m3/s. Currently, the unit has closed all bottom spillways, only maintaining power generation through generators to regulate the flow downstream.
A similar situation occurred in Lai Chau Lake, where the upstream water level reached 294.66m; the water flow to the lake reached 918m3/s; the total discharge was 1,431m3/s. Currently, Lai Chau Hydropower Plant has also closed all bottom spillways, only operating power generation.
At Thac Ba Lake, by 8:00 a.m. on October 29, the upstream water level reached 58.05 m; the water flow to the lake reached 285 m3/s, the total discharge was 269.69 m3/s. Currently, Thac Ba Hydropower Plant maintains all floodgates closed.
Up to this point, all large hydroelectric reservoirs in the North have simultaneously closed, showing that the water source situation has stabilized, creating conditions to ensure safety downstream and maintain stable power production.
According to the weather forecast from the National Center for Hydro-Meteorological Forecasting, today, October 29, the Northern region will have cold nights and mornings, some places will be cold; sunny afternoons with the highest temperature in some places above 29 degrees Celsius.
In Thanh Hoa and Nghe An, on October 29, the weather will mainly have rain in some places, sunny in the afternoon. However, from the night of October 29, this area began to experience rain, moderate rain, some places with heavy rain and thunderstorms.
The area from Ha Tinh to Da Nang City and the East of the provinces from Quang Ngai to Gia Lai will continue to experience moderate rain, heavy rain and thunderstorms, with some places experiencing very heavy rain. In particular, from South Quang Tri to the East of Quang Ngai, there is a possibility of heavy to very heavy rain.
Heavy rain is likely to cause flooding in low-lying areas; flash floods on small rivers and streams; landslides on steep slopes.
