Tra Leng catches floods, Song Tranh 2 hydropower discharges more than 3,000 m3 / second

On November 6, there were heavy rains in Quang Nam province, especially in mountainous areas such as Nam Tra My, North Tra My, Phuoc Son. Heavy rains eroded the road leading to Tra Giap’s two communes, Tra Ka (Bac Tra My district), causing the isolation of more than 4,000 households.

Landslides also appeared on many sections of Highway 40B through the territory of Nam Tra My district, paralyzing traffic; The road to the communes of Tra Leng and Tra Van, places where terrible landslides occurred on 28 October, was further damaged.

The rain fell continuously in Quang Nam Photo: LE PHONG

Mr. Bui Quang Ngoc, Rector of Tra Leng Primary School for Ethnic Minorities and Education, said that on November 6 in Tra Leng there were heavy rains causing flash floods in the Leng River. The clip of a recorded teacher shows a fierce flood of water falling down the Leng River as it rains non-stop.

Landslide on a road in South Tra My photo: Facebook

According to data updated at 6 pm on November 6, the water flow to Song Tranh 2 hydroelectric reservoir is 4,152 m³/ second (highest water return time at 4 p.m. on the same day is up to 8,775 m³/ second), this hydroelectricity is discharging downstream more than 3,039 m³per second.

Flash flood in Tra Leng Photo: PHI YEN

The water flow to the Dak Mi 4 hydroelectric reservoir at 18:00 is 2,846, this hydroelectric plant is releasing floods with a flow of more than 1,410 m.³/ second (more than 2 times compared to 12 noon on the same day). Updated data shows that the flow of water to this hydroelectric reservoir increases continuously on November 6 and this hydroelectric power also gradually increases the discharge from the flood.

On the night of November 6, the rains in Nam Tra My and Bac Tra My districts tended to decrease dramatically. The flow of water back to Song Tranh 2 Hydropower Reservoir has decreased over time. At 9:00 p.m., the discharge to the lake is at 1,767 m³/ second; Song Tranh 2 hydroelectric power discharge downstream flood with a flow rate of 654 m³per second.