09 July,2026 12:33 PM IST | Mumbai | mid-day online correspondent
Among the seven lakes, Vehar and Tulsi have reached 100 per cent of their useful live storage capacity. File Pic
Continuous heavy rainfall across Mumbai's catchment areas has significantly improved the city's water reserves, with the combined water stock in the seven lakes supplying drinking water to Mumbai rising to 7,03,260 million litres, or 48.59 per cent of total useful live storage capacity, according to the Hydraulic Engineer's Department, Bhandup Complex report recorded at 6 am on Thursday, July 9.
The seven reservoirs have a total storage capacity of 14,47,363 million litres. On Wednesday, the city's water stock stood at 41.36 per cent, highlighting the rapid rise in reserves following intense monsoon activity.
Among the seven lakes, Vihar and Tulsi have reached 100 per cent of their useful live storage capacity.
Vihar currently holds 27,698 million litres of water and received 79 mm rainfall in the last 24 hours, while Tulsi contains 8,046 million litres and recorded 70 mm rainfall.
According to the report, Vihar Lake began overflowing on July 7 at 9 pm, followed by Tulsi Lake at 11.43 pm on the same day.
Modak Sagar continues to remain one of the best-performing reservoirs, with storage reaching 1,06,566 million litres, or 82.66 per cent of its capacity. The lake received 85 mm rainfall during the past 24 hours.
Tansa Lake stands at 77.48 per cent storage with 1,12,413 million litres of water, while Bhatsa, Mumbai's largest supplier, has reached 42.68 per cent capacity, storing 3,06,002 million litres.
Upper Vaitarna currently holds 61,028 million litres of water, equivalent to 26.88 per cent of its useful storage, after receiving 160 mm rainfall in the past 24 hours.
Middle Vaitarna recorded one of the highest daily rises, with storage reaching 81,508 million litres, or 42.12 per cent of capacity, following 84 mm rainfall.
The combined stock of Upper Vaitarna, Tansa and Middle Vaitarna now stands at 3,61,514 million litres, representing 52.05 per cent of their combined storage capacity.
The catchment areas continued to receive substantial rainfall, with cumulative rainfall totals since June 1 reaching:
Tulsi: 2,196 mm
Vihar: 1,643 mm
Modak Sagar: 1,316 mm
Tansa: 1,367 mm
Bhatsa: 1,070 mm
Middle Vaitarna: 952 mm
Upper Vaitarna: 899 mm
The Bhandup Complex recorded 61 mm of rainfall in the last 24 hours, taking its cumulative rainfall since June 1 to 1,663 mm.
With the monsoon remaining active and more rain forecast over the coming days, Mumbai's water reserves are expected to rise further, easing concerns over water availability for the months ahead.
For more Mumbai Monsoon coverage, including weather forecasts, rain updates, transport disruptions, lake levels and civic advisories, visit our Mumbai Monsoon page.
