BTO-On the afternoon of October 6, Vice Chairman of the Provincial People's Committee Nguyen Hong Hai and representatives of relevant departments, branches and localities inspected a number of irrigation reservoirs in the northern part of the province.
Accordingly, the provincial leaders and the delegation inspected the actual situation at Song Quao Lake (Ham Thuan Bac), Ca Giay Lake and Song Luy Lake (Bac Binh). At the inspected locations, the Vice Chairman of the Provincial People's Committee listened to relevant units report on the situation of water storage and water supply for production and daily life of the 3 irrigation works.
The Provincial Irrigation Works Exploitation Company Limited said that Song Quao Lake has a total designed capacity of over 81 million m3; the lake surface area corresponding to the designed water level is about 680 ha. The design task of the project is to provide irrigation water for 8,120 ha; supply domestic and industrial water for 19,800 m3/day and night; and reduce floods for the downstream area. Currently, the lake water level is at 89.76m, corresponding to a capacity of over 78 million m3, reaching 96.8% of the designed capacity. The project is providing irrigation water for 12,170 ha, of which 9,150 ha are directly irrigated (4,160 ha of rice, 4,990 ha of dragon fruit), 3,020 ha are supplemented with irrigation (1,140 ha of rice, 1,880 ha of dragon fruit); supply water for domestic and industrial use for 72,000 m3/day and night. The project is currently discharging floodwaters at a flow rate of 11.4 m3/s. Regarding the water supply plan from now until the end of 2023, the reservoir will provide irrigation water for the 2023 crop for over 9,100 hectares of rice and dragon fruit with about 25 million m3, and domestic water supply of 7.2 million m3. The current difficulty is that the project has not yet marked the project protection corridor, there are no clear boundaries, making it very difficult to handle the encroachment of the project.
In Bac Binh district, Ca Giay lake has a total design capacity of over 37 million m3, with the task of supplying irrigation water for 3,965 hectares and reducing floods for the downstream area. Currently, the lake water level is at 73.72 m, equivalent to more than 32 million m3, reaching 86.3% of the design capacity; the water flow through the sluice is 6.7 m3/s, supplying irrigation water for 6,300 hectares, and supplying domestic water of about 200 m3/day and night.
Song Luy Lake alone has a total designed capacity of over 99.9 million m3; the lake surface area corresponding to the designed water level is about 1,505 ha. The project creates a water source for irrigation of 24,200 ha of cultivated land for the two districts of Bac Binh and Ham Thuan Bac; provides irrigation, domestic and tourism water for Le Hong Phong pumping station.
At the same time, maintain environmental flow in the dry season months; reduce downstream floods; create a source of domestic water to improve and raise the living standards of people in the area; combine with power generation of about 5 MW. Currently, the lake water level is at elevation 129.30 m, equivalent to a capacity of 96.9 million m3, reaching 96.9% of the design capacity; the flow through the spillway is 24.8 m3/s. Currently, the project creates a source to supplement water for the irrigation systems of Bac Binh district and Ham Thuan Bac district.
According to the company’s assessment, in recent times, the construction management force has met the requirements in terms of quantity and professional qualifications. Newly invested projects ensure stable water supply and comply with regulations on dam safety management…
Through the actual inspection of irrigation works, Vice Chairman of the Provincial People's Committee Nguyen Hong Hai requested the operating unit, Binh Thuan Irrigation Works Exploitation Company Limited, to focus on ensuring the security and safety of the reservoir, especially in stormy weather conditions. At the same time, the company needs to continue to study the procedures and develop plans for exploiting and using surface water at irrigation works...
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