12 September,2026 11:01 AM IST | Mumbai | mid-day online correspondent
Representational Image
Mumbai's seven lakes, which supply drinking water to the city, collectively held 13,93,652 million litres of water, or 96.29 per cent of their total live storage capacity, as of 6 am on Saturday, September 12, according to the Hydraulic Engineer's Department at the Bhandup Master Control Centre.
The current stock stands lower than in the same period last year, when the reservoirs contained 14,23,981 million litres (98.38 per cent). Also, the lake levels remained lower than in 2024, when the lakes had 14,25,128 million litres, accounting for 98.46 per cent of the total live storage.
Among the seven reservoirs, Vihar lake remained at 100 per cent live storage. Whereas the water levels at Tulsi stood at 95.38, Tansa at 98.49 per cent, Middle Vaitarna was at 95.82 per cent, Bhatsa, the city's largest reservoir at 97.44 per cent, while Upper Vaitarna remained the lowest-filled lake at 92.35 per cent.
The current storage in individual lakes is as follows:
Other rainfall recorded at the reservoirs includes:
The Bhandup Complex recorded a cumulative seasonal rainfall to 2,766 mm.
The cumulative rainfall recorded at the reservoirs this monsoon is:
Upper Vaitarna - 3,799 mm
Modak Sagar - 3,114 mm
Tansa - 2,831 mm
Middle Vaitarna - 2,812 mm
Bhatsa - 2,591 mm
Tulsi - 3,565 mm
Vihar - 2,548 mm
The report stated that Vihar Lake has been overflowing since July 7. However, the capacity of Tansa Dam has decreased, which had been overflowing till August 22. On the other hand, the water level of Modak Sagar Dam has also decreased marginally on August 23.
Meanwhile, the Middle Vaitarna WSCPO gate remains closed, and the release of water from Upper Vaitarna has remained suspended since July 6, according to the Hydraulic Engineer's Department.
