Reduce concerns about flooding.

- Prior to the 2026 rainy season, the Urban Drainage Branch of Lang Son Water Supply and Drainage Joint Stock Company proactively implemented various solutions to mitigate flooding in urban areas, especially in areas prone to localized flooding during heavy rains.

Workers from the Urban Drainage Branch inspect the drainage system on Ly Thuong Kiet Street, Ky Lua Ward.

In recent years, whenever there is heavy and prolonged rainfall, localized flooding frequently occurs in several locations across the four central wards of the province, such as: the area around Le Loi Street - the beginning of Ly Thuong Kiet dual carriageway, the section passing through My Son underpass (Dong Kinh ward); Phai Tran intersection, Ban Vien residential area (Tam Thanh ward)... This flooding significantly affects the transportation and daily lives of residents.

According to information from the Urban Drainage Branch of Lang Son Water Supply and Drainage Joint Stock Company, the cause of flooding is that the drainage system in the wards is mainly a combined drainage system, installed and developed on the basis of a long-established rainwater drainage system with small pipe sizes, many different types of pipes, and is now degraded. In addition, rapid urbanization has led to the filling in of many natural ponds and lakes for construction projects, increasing the number of manholes and residential drainage pipes. This puts significant pressure on the drainage capacity of the system.

According to the National Center for Meteorological and Hydrological Forecasting, the 2026 rainy season is predicted to see 8-10 typhoons and tropical depressions in the East Sea, of which 3-5 will affect the mainland; widespread heavy rainfall may occur in about 16-19 periods, mainly from the end of June to November.

In anticipation of this, to mitigate flooding during the rainy season, the Urban Drainage Branch has proactively implemented solutions. Mr. Dinh Quang Vinh, Deputy Director of the branch, stated: "From the beginning of the year, the branch has developed a plan and assigned personnel to inspect and review the entire system of manholes and drainage pipes. Simultaneously, the unit has focused on dredging mud and silt, clearing drains, manholes, and water inlets, and addressing potential blockages. Personnel and equipment are on standby 24/7 in areas prone to flooding to promptly address and clear blockages during heavy rains. The branch has also strengthened coordination with local authorities and relevant units to raise awareness and encourage people not to dump garbage into the drainage system, contributing to improved urban drainage efficiency."

As the unit directly managing and operating the drainage system in the four central wards of the province, the Urban Drainage Team of the Urban Drainage Branch, Lang Son Water Supply and Drainage Joint Stock Company, is urgently implementing solutions to ensure drainage before the rainy season. Mr. Phan Thanh Hong, Team Leader of the Urban Drainage Team, said: The team currently manages and operates a drainage system with a total length of 119 km of various types of sewer lines. From the beginning of 2026 to the present, the team has dredged 1,050 manholes and over 11,000 m of sewers, removing over 1,500 m3 of sludge. In addition, the team maintains regular inspections and deploys personnel and equipment ready to respond at frequently flooded areas to promptly address issues during heavy rains.

Although implemented early on, solutions such as dredging and clearing waterways are only short-term measures to mitigate flooding. To fundamentally address localized flooding in some streets and residential areas in the four central wards, the Urban Drainage Branch has proposed and recommended to the competent authorities to consider investing in new drainage lines to alleviate the burden on the old, dilapidated, and overloaded drainage system after many years of use.

Accordingly, from 2025 to the present, several new drainage lines have been invested in the four central wards of the province, including: the drainage culvert on Le Hong Phong Street and the outlet to Phai Loan Lake; the drainage culvert from Tran Dang Ninh area to Phai Tran; and the culvert from house number 257 Tran Dang Ninh to Le Hong Phong Street.

For renovation projects and the construction of new drainage systems at other flood-prone areas, specialized agencies are conducting surveys and assessments to submit to competent authorities for consideration and approval. Due to the relatively large scale of investment, many projects may involve existing technical infrastructure and land clearance, so thorough investment preparation is necessary to ensure feasibility and effectiveness during implementation.

Proactive implementation of solutions early on has contributed to improving drainage capacity and reducing flooding during the rainy season. However, to definitively solve the urban flooding problem, in addition to regular maintenance and dredging, a comprehensive investment in the drainage system is crucial to meet the demands of urban development and the increasingly rapid pace of urbanization. Furthermore, the sense of responsibility of each citizen in maintaining the drainage system is also an important factor in ensuring its efficient operation and reducing the worry of flooding every rainy season.

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Source: https://baolangson.vn/chu-dong-tu-som-giam-noi-lo-ngap-ung-5096798.html