Mumbai: Mumbai’s water reserves have shown a steady improvement with the city’s lakes now filled up to 25.18 per cent of their total capacity, according to the latest data released by the Hydraulic Engineer’s Department (Bhandup Complex) at 6:00 am on Friday, June 20, 2025. The collective water stock now stands at 3,64,233 million litres out of a total required capacity of 14.47 lakh million litres, offering some relief as monsoon showers continue to lash the city.

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Highest Water Level Storage Recorded In Bhatsa Lake

The rise in levels follows consistent rainfall over the past 24 hours, especially in key catchment areas. Bhatsa Lake, which contributes a major share to Mumbai’s water supply, recorded 141 mm rainfall and showed a significant 6.50-meter rise, pushing its useful storage to 1,48,462 million litres, the highest among all lakes.

Modak Sagar and Tansa, both vital water sources, witnessed substantial gains. Modak Sagar received 126 mm of rainfall with a 1.87-meter rise, adding 57,337 million litres to the usable water stock. Tansa followed with 143 mm rainfall and now holds 40,693 million litres of useful water after a 1.22-meter level increase.

Middle Vaitarna, which showed the highest 24-hour rise of 8.58 meters, added 42,680 million litres following 121 mm of rainfall. Meanwhile, Upper Vaitarna, though slightly behind, holds 61,028 million litres and received 84 mm rainfall with a 1.40-meter level rise.

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The smaller lakes, Vihar and Tulsi, also contributed to the city’s stock. Tulsi, with 64 mm rainfall, now has 3,007 million litres, while Vihar, after 45 mm of rain, added 7,308 million litres.

The Bhandup Complex itself recorded 41 mm rainfall in the past 24 hours, contributing to a seasonal total of 343 mm so far. While the increase offers a promising start to the monsoon season, civic officials continue to monitor reservoir levels closely, as the city still needs over 75 per cent of its annual requirement to be fulfilled in the coming months.