Chennai’s northern neighbourhoods remained waterlogged on Tuesday despite a sharp drop in rainfall, underscoring long-standing gaps in drainage capacity and the city’s uneven progress towards climate-resilient infrastructure. High-capacity pumps deployed by the Greater Chennai Corporation (GCC) eased conditions in several localities, but large pockets in Perambur, MKB Nagar and Vyasarpadi continued to experience severe flooding that pushed water into homes and cut off basic services.
City officials said the concentrated downpour over 36 hours—averaging more than 15 cm—overwhelmed the stormwater network in older, densely populated districts. The Ganesapuram subway, a critical connector for thousands of commuters in the north, remained inaccessible for a second day, prompting renewed calls for redesigning low-lying transport corridors that routinely trap floodwaters. Residents in the worst-hit clusters reported prolonged power outages and sewage-contaminated stagnation. A shopkeeper in the northern zone said daily essentials were hard to procure as local stores remained shuttered. Another resident from a nearby housing pocket said relief support was inconsistent, leaving vulnerable households to navigate knee-deep water on their own. Many families spent the day manually draining their homes while civic crews operated pumps on adjoining streets.
Urban planners note that these neighbourhoods sit at the tail-end of the drainage network, where ageing infrastructure and encroachments frequently slow water discharge. A senior planner said that without stronger investment in ecological buffers, decentralised drainage and better canal management, “northern Chennai will continue to bear the brunt of every extreme rain event.”The city’s broader stormwater upgrade programme—part of a multi-year plan worth several thousand crore rupees—has seen progress in central and southern zones, but local groups argue that delays in the northern corridor have widened spatial inequities. A community representative from Vyasarpadi said desilting of the Captain Cotton Canal began late in the monsoon cycle, allowing silt piles to wash back into the channel during the latest spell. Elsewhere in the city, pockets of Kodambakkam and T Nagar experienced short-term stagnation as water was redirected into nearby vacant plots serving as informal retention areas. On the IT corridor, residents flagged deteriorated road surfaces and repeated ponding despite ongoing drainage investments, raising questions about construction quality and long-term sustainability.
Senior government leaders reviewed relief operations on Tuesday, emphasising the need for coordinated pump deployment, quicker restoration of utilities and accelerated completion of pending drains. While emergency pumping provided temporary respite, experts say Chennai must pivot towards resilient, low-carbon urban systems—integrating permeable surfaces, natural water channels and climate-sensitive planning—to ensure that relief work does not substitute for structural reform. For citizens in the north, the recurring floods are a reminder that inclusive adaptation must extend to every ward, not just growth corridors. As monsoon patterns grow more erratic, the city’s path to equitable and climate-ready development may depend on how swiftly these vulnerable neighbourhoods receive durable, long-term solutions.
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Chennai Stormwater Delays Hit Vulnerable Areas
