The total water stock in the seven lakes supplying drinking water to Mumbai stood at 1,11,849 million litres (ML) as of 6 am on Thursday, accounting for 7.73 per cent of their total useful storage capacity of 14,47,363 ML, according to the Hydraulic Engineer’s Department of the Brihanmumbai Municipal Corporation (BMC).
Among the reservoirs, Vihar Lake recorded the highest percentage of useful storage at 45.71 per cent, followed by Tulsi Lake at 21.76 per cent and Modak Sagar at 19.61 per cent. Middle Vaitarna stood at 11.16 per cent, while Bhatsa and Tansa recorded 6.75 per cent and 1.49 per cent, respectively.
The combined storage in Upper Vaitarna, Tansa and Middle Vaitarna, the three major reservoirs supplying water to the city, was 49,045 ML, representing 7.06 per cent of their collective useful capacity.
During the past 24 hours, Tulsi Lake received the highest rainfall among the seven reservoirs at 26 mm, followed by Vihar with 27 mm and Upper Vaitarna with 8 mm. The Bhandup Complex, which monitors the city’s water supply system, recorded 6 mm rainfall during the day, taking the season’s cumulative rainfall to 195 mm.
Officials said water levels in the lakes are gradually improving with the onset of the monsoon, though overall storage remains significantly lower than the corresponding period last year, when the seven reservoirs collectively held 5,06,890 ML, or 35.02 per cent of their useful capacity.
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