At the same time, localities are required to deploy measures to ensure safety downstream of Nui Coc Lake.
In the face of prolonged heavy rain due to the impact of storm Bualoi, the Hanoi City Civil Defense Command has continuously issued flood warnings on many rivers.
Specifically, level I flood warning on Cau River in Trung Gia and Da Phuc communes; level III flood warning on Bui River in Xuan Mai, Phu Nghia, Tran Phu, Quang Bi, Hoa Phu, Phuc Son communes;
Level I flood warning on Ca Lo river in the communes of Soc Son, Da Phuc, Thu Lam, Phuc Thinh, Quang Minh, Tien Thang, Noi Bai.

Level II flood warning on the Nhue River in the communes and wards of Thuong Cat, Dong Ngac, Phu Dien, Tu Liem, Xuan Phuong, Tay Mo, Dai Mo, Ha Dong, Kien Hung, Dai Thanh, Binh Minh, Ngoc Hoi, Tam Hung, Thuong Tin, Thuong Phuc, Dan Hoa, Phuong Duc, Chuyen My, Ung Hoa...
The Hanoi City Civil Defense Command recommends that localities, relevant units and people strictly implement regulations when there are flood warnings, proactively ensure the safety of life and property, especially in riverside and low-lying areas.
The Hanoi Department of Agriculture and Environment has issued a document requesting the communes of Soc Son, Da Phuc, Noi Bai, Trung Gia, Kim Anh to implement measures to ensure safety downstream when operating the discharge of water through the Nui Coc spillway.
Localities regularly monitor information and immediately notify people, aquaculture facilities, water transport vehicles, construction works, ferry terminals, and sand and gravel mining activities to proactively take response measures, absolutely do not let people go to areas at risk of landslides, flooding, or unsafety; at the same time, organize serious duty shifts and promptly report to the Department and the Office of the City Civil Defense Command.
According to the Northern Hydrometeorological Station, on the morning of October 1, Hanoi will continue to have thunderstorms, starting from the communes: Quoc Oai, Ha Bang, Tay Phuong, Thach That, Hat Mon, Phuc Tho and is likely to spread to Lien Minh, Phuc Loc...
In addition, the water level of the rivers continues to rise; in which the flood of the Bui River may reach 7.25m, 0.25m exceeding the level III flood warning, at 7:00 p.m. on October 1.
The area along the Bui River is at risk of flooding with a depth of 0.2-0.5m, some places are flooded more than 0.5m deep, lasting for 2-3 days; level 2 flood risk.