Mumbai: The Brihanmumbai Municipal Corporation (BMC) has announced a strategic shift in its Mithi River desilting operations, with a primary focus on strengthening low-lying embankments to enhance the city’s resilience against monsoon flooding. This intensified effort comes ahead of the annual monsoon season, which historically brings significant waterlogging and disruption to various parts of the metropolis.
Information was available with The Chenab Times indicating that the decision to concentrate on embankment reinforcement stems from lessons learned in previous flood events, where breaches and overflows from the river’s periphery exacerbated inundation in surrounding areas. The civic body aims to improve the river’s carrying capacity and prevent water from spilling over into residential and commercial zones.
The Mithi River, which flows through a significant portion of Mumbai, is prone to extensive silting and encroachment, reducing its depth and flow. During heavy rainfall, the accumulated silt and debris further obstruct the watercourse, leading to overflowing banks and widespread flooding, particularly in low-lying areas such as Kurla, Kalina, and Santacruz.
Under the new directive, specialized teams will be deployed to clear silt and debris from the riverbed, with a particular emphasis on fortifying the embankment walls. These reinforcements are expected to include measures such as increasing the height of existing walls, repairing damaged sections, and potentially constructing new barriers in vulnerable stretches. The BMC is also considering the use of advanced engineering techniques to ensure the durability and effectiveness of these measures.
The Mithi River originates in the suburbs of Borivali and Powai and passes through several densely populated areas before draining into the Arabian Sea at the Mahim Creek. Its course is intertwined with the city’s urban fabric, and any disruption to its natural flow can have severe consequences.
Environmentalists and urban planners have long called for comprehensive management of the Mithi River, highlighting the need for sustained desilting, removal of encroachments, and proper waste management to protect the river ecosystem and the surrounding urban environment. The BMC’s renewed focus on embankment stability is seen as a critical component of a larger strategy to manage the river’s flow effectively.
The desilting process itself involves the removal of accumulated sediment, sludge, and solid waste that reduce the river’s cross-sectional area. This accumulated material is then transported and disposed of responsibly. Alongside desilting, the corporation also plans to address unauthorised structures and waste dumping along the riverbanks, which are significant contributors to the silting problem and flood vulnerability.
Officials have stated that the corporation plans to expedite the tendering process for these works to ensure that the crucial desilting and embankment strengthening activities are completed well before the onset of the monsoon, typically expected in early June. The success of these measures will be crucial in determining Mumbai’s preparedness for potential waterlogging and flooding incidents in the coming months.
The corporation anticipates that these targeted interventions will not only reduce the immediate risk of flooding but also contribute to the long-term ecological health of the Mithi River, thereby improving the quality of life for residents in the affected areas. Public awareness campaigns regarding responsible waste disposal are also expected to be intensified to complement the infrastructure development efforts.
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The Chenab Times News Desk
