Close-up of the 'bottleneck' that makes the trillion-dong pumping station 'thirsty' even though Hanoi is flooded

Completed in 2020 with a capacity of 120 m³/s, Yen Nghia Pumping Station still cannot operate at full capacity because 17 households have not yet handed over the site, causing La Khe canal to not be closed, creating a "bottleneck" blocking the flow from Nhue River to the pumping station.

Started in late 2015, Yen Nghia Pumping Station is the largest flood control project in Hanoi , with 10 units with a total capacity of 120 m³/s, a total investment of 7,466 billion VND. However, since its completion in 2020, the 10 units of Yen Nghia Pumping Station have not operated at full capacity for a single day, even though the West of Hanoi floods every time it rains.

During the two times Hanoi was heavily flooded in late September and early October, Yen Nghia Pump Station only operated a maximum of 5-8 generators.

The reason why Yen Nghia Pumping Station cannot operate all 10 units is due to lack of water source, even though the West of Hanoi is heavily flooded.

Yen Nghia pumping station still cannot operate at full capacity because 17 households have not yet handed over the land, causing La Khe canal to not be closed, creating a "bottleneck", blocking the flow from Nhue river to the pumping station.

The project investor said that 17 households have not yet handed over the land of about 200m on La Khe canal.

The water flow on La Khe canal is narrowed when flowing through an area that has not been cleared.

In addition to the uncleared areas, there are many unfinished construction sites on the La Khe canal. This has led to construction materials, soil, and rocks blocking the flow of water on the La Khe canal.

Soil, rocks and construction waste piled up on both banks, blocking the flow of water channels.

A representative of the Hanoi Department of Agriculture and Environment said that if the unfinished canal section is closed, water from the West, especially the Nhue River, will have a direct outlet to the Yen Nghia Pumping Station, helping the entire system operate synchronously.

Many sections of La Khe canal are still as messy as a construction site.

A nearly 200m long canal adjacent to Ngo Quyen Street has not been cleared.

The unfinished land clearance area is located on Ngo Quyen Street.

According to Mr. Le Van Du, Head of the Department of Water Supply and Drainage Infrastructure Management (Hanoi Department of Construction), the drainage capacity of the whole city has not reached the planning. A typical example is the Yen Nghia Pumping Station, which has been invested in modernly, but to maximize efficiency, the system of channels and connecting sewers must be complete.

Source: https://baotintuc.vn/xa-hoi/can-canh-nut-that-co-chai-khien-tram-bom-nghin-ty-khat-nuoc-du-ha-noi-ngap-trang-20251009091616032.htm