The focus of the projects is on upgrading the drainage system, adding retention ponds, renovating canals, and increasing the capacity of pumping stations at locations frequently flooded during heavy rains.
This includes projects to renovate, upgrade, and construct new drainage systems in the Resco, Ecohome, Tay Ho Tay, Doan Ngoai Giao, and Ciputra urban areas, as well as the Vo Chi Cong, Long Bien, Dong Anh, and Gia Lam areas, with a total capital of approximately 262 billion VND, expected to be completed in the second quarter of 2026.
Another larger-scale project is the renovation of the Thuy Phuong canal to urgently address the issue of water replenishment from the To Lich River and enhance flood control in the northwestern part of the city, with a total investment of approximately 869 billion VND. The main components of this project are expected to be completed before the 2026 rainy season.
In addition, Hanoi will renovate the downstream section of the Kim Ngưu River, connecting the Tô Lịch River with the Yên Sở pumping station, with a total investment of approximately 700 billion VND. The project is expected to increase drainage capacity for the southern inner city area and is scheduled for completion in the third quarter of 2026.
To address localized flooding along Thang Long Avenue, Hanoi plans to invest approximately 163 billion VND to increase the capacity of some existing pumping stations, install additional mobile pumping stations, and renovate the drainage system, with a completion deadline in the second quarter of 2026.
Besides canals and pumping stations, Hanoi is allocating significant resources to its system of regulating lakes. Projects such as Phu Do Lake (Tu Liem ward) have a total investment of approximately 800 billion VND; Yen Nghia 1 (An Khanh commune) - approximately 858 billion VND, Yen Nghia 2 (An Khanh commune) - approximately 250 billion VND; Thuy Phuong 2 (Dong Ngac ward) - approximately 717 billion VND; and Me Tri main reservoir (Dong Bong 2 lake) - approximately 370 billion VND, most of which are expected to be completed in the fourth quarter of 2026, with the main components finished before the 2026 rainy season.
In addition, Hanoi is also investing in the construction and installation of additional pumping stations, regulating reservoirs, and drainage pipeline systems in the To Lich and Ta Nhue basins, with a total capital of approximately 590 billion VND, expected to be completed in the second quarter of 2026.
According to the Department of Construction, the issuance of the emergency construction order demonstrates the city's determination to address urban drainage bottlenecks, aiming for sustainable flood reduction, improved quality of life, and better adaptation to extreme weather events in the coming years.
Furthermore, the planned system of regulating lakes is being implemented slowly and inconsistently. The total planned area for regulating lakes is over 5,400 hectares, but currently only about 1,010 hectares have been completed, equivalent to less than 19%. In many new urban areas, the internal drainage system is not yet synchronously connected to the general network, and the ground elevation is inconsistent, even lower than the surrounding area, leading to rapid rainwater accumulation and localized flooding, while the discharge sources and main pumping stations have not been invested in accordingly.
Source: https://baotintuc.vn/xa-hoi/ha-noi-chi-hon-5500-ty-dong-lam-cong-trinh-khan-cap-chong-ung-ngap-20251214091235149.htm
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