According to the spillway discharge order of the Steering Committee for Disaster Prevention - PCTT & TKCN of Phu Tho province, at 7:00 a.m. on July 21, the water level of Dai Lai lake had reached the elevation of +11.65 m and was continuing to rise.
To ensure the safety of Dai Lai Lake, the lives and property of the state and people, the Steering Committee for Disaster Prevention and Control and Control and Search and Rescue of Phu Tho province issued an Order to release spillway to the Steering Committee for Disaster Control and Control and Control of Dai Lai Lake: Letting overflow water of Dai Lai Lake according to the approved operating and regulation process to receive floods.
Discharge flow from 05m3/s to 100m3/s depending on the development of the rain and flood situation (Phuc Yen Enhancement Company Limited proactively regulates discharge flow to ensure the safety of the lake, the safety of the Ca Lo - Nam Vien river dike and the water needs of the people for production and daily life, limiting flood discharge causing flooding to the downstream area; The Steering Committee for PCTT & TKCN of Dai Lai Lake; People's Committees of communes and wards are responsible for notifying local authorities, agencies, units, organizations, individuals and people in the downstream area)
The discharge time starts from 7:00 p.m. on July 21.
The Steering Committee for Disaster Prevention - PCTT & TKCN of Phu Tho province also ordered the Steering Committee for PCTT & TKCN of Dai Lai Lake to deploy forces, vehicles, and materials according to the approved PCTT & TKCN plan of Dai Lai Lake; immediately deploy forces to block at culverts and spillways across the road to ensure absolute safety for people and vehicles traveling through the culverts and culverts during the regulation period.
Notify localities in the downstream area of the dam (affected area) about the situation of regulating the discharge of water from the reservoir so that localities have plans to prevent flooding and set up guard posts in flooded culverts and spillways.
At the same time, closely monitor the developments of lakes and dams to increase 24/7 guard patrols, promptly detect and handle any situations that arise.
Dai Lai Lake is an artificial lake located in Ngoc Thanh and Cao Minh communes of Phu Tho province (in Ngoc Thanh commune and Dong Xuan ward, Phuc Yen city, old Vinh Phuc province).
Dai Lai Lake was started in 1959 with the purpose of collecting irrigation water for agriculture, and was basically completed in 1963 . The lake is up to 5.25km2 wide and the surrounding mountainous areas and forests have a total area of about 30km2. In the middle of the lake, there is a 3ha bird island.
With a total capacity of 34.5 million m2 at the spillway level of 23m, the lake provides water for agricultural production for more than 2,000 hectares of cultivated land in Binh Xuyen commune, Phuc Yen ward (Phu Tho province) and Me Linh commune, Soc Son (Hanoi); the lake has the function of preventing and releasing floodwaters for the entire area.