
The city’s reservoir stock slipped slightly on September 25 after all seven catchment areas recorded no rain over 24 hours.
Mumbai’s seven lakes held 1,412,397 million litres of usable water, or 97.58% of their combined capacity, on September 25. The total was down from 97.76% a day earlier, while Vehar and Tulsi remained full.
Mumbai’s seven reservoirs held 1,412,397 million litres of usable water on September 25, equal to 97.58% of their combined capacity.
The stock edged down from 97.76% a day earlier after all seven lake catchments recorded 0.00 mm of rain in the 24 hours ending at 6am, the BMC Hydraulic Engineer’s Department said. The city’s reservoirs had held 96.29% of usable capacity on September 12.
Bhatsa, Mumbai’s largest reservoir, stood at 99.27%, with 711,824 million litres in storage. Vehar and Tulsi were both at 100%, holding 27,698 million litres and 8,046 million litres respectively.
Middle Vaitarna was 98.89% full, Tansa 97.31% and Upper Vaitarna 96.60%. Modak Sagar had the lowest proportion among the seven, at 87.59%, and recorded the steepest level fall over the day: 0.09 metres.
The seven reservoirs together have a usable capacity of 1,447,363 million litres. Their stock on the same date was 99.14% in 2025 and 99.26% in 2024.
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