At 12:00 PM on September 29, the water level in the upper reaches of the Hoa Binh Reservoir was at 114.27 meters, while the downstream level was at 11.29 meters. The inflow to the reservoir was 10,566 m³/s, and the total outflow downstream was 2,167 m³/s.
Hoa Binh Hydropower Plant during a previous flood discharge
The Minister of Agriculture and Environment ordered the Director of Hoa Binh Hydropower Company to open one bottom outlet gate at 8:00 PM on September 29.
The Ministry of Agriculture and Environment requests the People’s Committees of Phu Tho, Hanoi, Bac Ninh, Hai Phong, Hung Yen, and Ninh Binh provinces to promptly notify all local authorities, residents, and organizations operating on or near the river.
Aquaculture facilities, water transport vessels, ferry crossings, and ongoing construction projects must ensure safety measures. Sand and gravel extraction activities should be reviewed to ensure safety of personnel and property during the flood discharge from Hoa Binh Hydropower Plant.
Flood Warning on the Da River: Inflow to Hoa Binh Reservoir Increases
According to the National Center for Hydro-Meteorological Forecasting, over the past 12 hours, Son La Hydropower Plant operated with an average discharge of 845 m³/s, peaking at 2,212 m³/s at 8:00 AM on September 29. The inflow to Hoa Binh Reservoir has been increasing, averaging 3,862 m³/s over the past 12 hours, with a peak of 10,578 m³/s at 11:00 AM, exceeding the Level 2 alert threshold by 578 m³/s.
At 1:00 PM on September 29, the inflow to Hoa Binh Reservoir was 9,895 m³/s, 105 m³/s below the Level 2 alert threshold.
The National Center for Hydro-Meteorological Forecasting warns that in the next 6 hours, the inflow will fluctuate between 9,000 and 10,500 m³/s. Over the next 6–12 hours, it will range from 8,500 to 9,800 m³/s, and in the next 12–24 hours, it will decrease to 6,500–8,000 m³/s.
The center warns of flooding in low-lying areas along the river, impacting water transportation, aquaculture, agriculture, livelihoods, and socio-economic activities.
The Thac Ba Hydropower Plant is Safe, Lakes Reduce Flood Discharge
Speaking to Tien Phong Newspaper, leaders of the Thac Ba Hydropower Company assured that the plant has been operating safely. Inflow to the reservoir has decreased, and regular inspections of the dam, embankments, and machinery are being conducted. Other hydropower plants, including Lai Chau, Son La, Hoa Binh, and Tuyen Quang, have also significantly reduced their discharge rates compared to the previous day.
The Great Unveiling: Thác Bà Reservoir’s Emergency Flood Discharge Procedures
The Ministry of Industry and Trade has inspected the main dam and eight auxiliary dams of the Thac Ba Hydropower Plant in Yen Bai Province. A visual inspection of the dam revealed no abnormalities. The Ministry of Industry and Trade instructed the Thac Ba Hydropower Company to mobilize maximum resources and equipment for early warning notifications to local authorities and downstream residents before initiating flood discharge procedures as per the regulations and orders from the authorized agency, especially in emergency flood discharge situations.
The Ministry of Industry and Trade: Public Must Be Informed in Advance of Flood Release
The Ministry of Industry and Trade has instructed relevant agencies in various localities to provide advance notice to residents before releasing floodwaters, especially in cases of emergency releases.
The Soaring Rivers: When Prolonged Rain Meets the Provinces of Thanh Hóa and Ninh Bình
After the third storm, heavy rain continued to batter the provinces of Thanh Hoa and Ninh Binh, causing water levels in the region’s major rivers to rise. The authorities are actively monitoring the situation and have issued flood warnings and preparedness measures to tackle the potential flooding.
The Red River Floods: High Waters Threaten Hanoi with Devastating Floods
The Hong (Red) River is swelling, and with the heavy rain, the National Center for Hydro-Meteorological Forecasting has issued a flood warning for Hanoi on the morning of September 10, 2024. Many inner-city streets are at risk of flooding, with water levels expected to reach depths of 10-20 cm in many areas, and some streets may experience depths of over 25 cm.
