Mumbai's seven lakes at 89.08 per cent capacity; four reservoirs continue to overflow

Representational Pic

Mumbai's seven lakes, which supply drinking water to the city, collectively held 12,89,289 million litres of water, or 89.08 per cent of their total live storage capacity, as of 6 am on Sunday , August 2, according to the Hydraulic Engineer's Department at the Bhandup Master Control Centre.

The current stock is slightly lower than the same period last year, when the reservoirs contained 12,87,213 million litres (89.94 per cent). However, it is significantly higher than 2024, when the lakes had 11,64,405 million litres, accounting for 80.45 per cent of the total live storage.

[mumbaiwaterstock]

Modak Sagar, Vihar remain full

Among the seven reservoirs, Modak Sagar and Vihar continued to remain at 100 per cent live storage, while Tulsi stood at 99.66 per cent and Tansa at 99.46 per cent.

Middle Vaitarna was at 91.65 per cent, Bhatsa, the city's largest reservoir, was at 87.14 per cent, while Upper Vaitarna remained the lowest-filled lake at 78.39 per cent.

The current storage in individual lakes is as follows:

Upper Vaitarna: 1,77,978million litres (78.39 per cent)
Modak Sagar: 1,28,925 million litres (100 per cent)
Tansa: 1,44,475 million litres (99.58 per cent)
Middle Vaitarna: 1,77,367 million litres (91.65 per cent)
Bhatsa: 6,24,824 million litres (87.14 per cent)
Vihar: 27,698 million litres (100 per cent)
Tulsi: 8,002 million litres (99.46 per cent)
Upper Vaitarna records highest rainfall

Heavy showers continued across the lake catchment areas over the past 24 hours, with Upper Vaitarna receiving the highest rainfall of 112 mm.

Other rainfall recorded at the reservoirs includes:

Middle Vaitarna - 66 mm
Modak Sagar - 58mm
Tulsi - 9 mm
Tansa - 25 mm
Bhatsa - 30 mm
Vihar - 0 mm

The Bhandup Complex recorded 11 mm of rainfall during the last 24 hours, taking its cumulative seasonal rainfall to 2,296 mm.

Monsoon rainfall so far

The cumulative rainfall recorded at the reservoirs this monsoon is:

Upper Vaitarna - 2,883 mm
Modak Sagar - 2,487 mm
Tansa - 2,2257 mm
Middle Vaitarna - 2,171 mm
Bhatsa - 2,129 mm
Tulsi - 2,927 mm
Vihar - 2,135 mm

Four reservoirs continue to overflow

The report stated that Vihar Lake has been overflowing since July 7, followed by Tulsi Lake later the same day. Tansa Dam started overflowing on July 22, while Modak Sagar Dam began overflowing on July 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.