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The Brihanmumbai Municipal Corporation is evaluating construction of holding ponds and diversion of stormwater drains as part of a broader plan to reduce chronic flooding at the Andheri subway before future monsoon seasons. According to civic officials and multiple media reports, the proposed intervention could involve temporary storage ponds capable of holding excess rainwater near the subway during heavy rainfall events. Officials stated that nearly three potential sites have been identified for the project, while alternative engineering measures, including diversion of stormwater flow from the Jogeshwari area, are also under consideration. The civic body acknowledged that the flooding issue may persist this monsoon as long-term mitigation works remain under evaluation and planning stages.
The Brihanmumbai Municipal Corporation is considering development of holding ponds and diversion of stormwater drains as part of a proposed long-term strategy to reduce recurrent flooding at the Andheri subway, one of Mumbai’s most flood-prone transport corridors during the monsoon season.
According to civic officials and multiple media reports, the administration has identified at least three potential sites where holding ponds could be developed to temporarily store excess rainwater during periods of intense rainfall. The proposed intervention forms part of broader engineering measures being studied to address flooding at the Andheri subway, which routinely experiences severe waterlogging during heavy monsoon showers.
Officials stated that the proposed holding ponds could collectively store nearly 41,000 cubic metres of water. The identified locations reportedly include plots near Dr Ambedkar Garden in Andheri, a parcel in Jogeshwari and land along the Western Express Highway corridor. Civic authorities indicated that additional land parcels are also being assessed as part of the planning exercise.
The issue was recently discussed during meetings involving civic officials and local public representatives from the western suburbs. According to the administration, the topography of the Andheri area and stormwater flow patterns have made flood mitigation at the subway particularly challenging despite earlier interventions undertaken by BMC.
Alongside the holding pond proposal, the civic body is also evaluating diversion of stormwater flow originating from the Jogeshwari area into alternative nullah systems in Andheri East. Officials indicated that diversion of water towards the Mogra nullah corridor is being explored as a potentially more sustainable engineering solution for reducing the volume of water accumulating at the subway during heavy rainfall events.
Civic representatives acknowledged that construction of holding ponds alone may not completely eliminate flooding at the subway. According to discussions cited in reports, officials are examining a combination of drainage diversion, storage infrastructure and broader stormwater management interventions before finalising a long-term solution.
The proposal comes amid continuing concerns regarding monsoon preparedness across Mumbai ahead of the current rainy season. The Andheri subway has historically witnessed repeated closures during periods of heavy rainfall, causing major traffic disruptions across the western suburbs and affecting east-west road connectivity.
Previous flood mitigation projects undertaken by BMC at other vulnerable locations, including Hindmata in Dadar and the Milan subway in Santacruz, have involved installation of pumping systems and holding infrastructure to manage excess rainwater accumulation.
Officials stated that detailed feasibility assessments and technical studies regarding the proposed interventions are still underway, with final decisions expected after further administrative review and engineering evaluation.
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