Mumbai lakes levels at 92.24 per cent water stock, three reservoirs remain full

File pic

Mumbai's seven lakes, which supply drinking water to the city, collectively held 13,34,979 million litres of water, or 92.24 per cent of their total live storage capacity, as of 6 am on Sunday, August 16, according to the Hydraulic Engineer's Department at the Bhandup Master Control Centre.

The current stock now stands higher than the same period last year, when the reservoirs contained 13,04,981 million litres (90.16 per cent). However, the lake levels remained significantly lower than in 2024, when the lakes had 13,49,364 million litres, accounting for 93.23 per cent of the total live storage.

Vihar, Tulsi and Modak Sagar lakes remain full

Among the seven reservoirs, Vihar, Tulsi and Modak Sagar lakes remained at 100 per cent live storage. Whereas the water levels at Tansa stood at 99.26 per cent, Middle Vaitarna was at 96.25 per cent, Bhatsa, the city's largest reservoir, was at 90.62 per cent, while Upper Vaitarna remained the lowest-filled lake at 82.20 per cent.

The current storage in individual lakes is as follows:

• Upper Vaitarna: 1,88,898 million litres (83.20 per cent)
• Modak Sagar: 1,28,925 million litres (100.00 per cent)
• Tansa: 1,44,005 million litres (99.26 per cent)
• Middle Vaitarna: 1,87,633 million litres (96.98 per cent)
• Bhatsa: 6,49,774 million litres (90.68 per cent)
• Vihar: 27,698 million litres (100 per cent)
• Tulsi: 8,046 million litres (100 per cent)

Light showers continued across the lake catchment areas over the past 24 hours, with Modak Sagar receiving the highest rainfall of 44 mm.

Other rainfall recorded at the reservoirs includes:

• Upper Vaitarna - 32 mm
• Middle Vaitarna - 26 mm
• Tulsi - 39 mm
• Tansa - 22 mm
• Bhatsa - 5 mm
• Vehat- 24 mm

The Bhandup Complex recorded significant rainfall during the last 24 hours, taking its cumulative seasonal rainfall to 2,621 mm.

Monsoon rainfall so far

The cumulative rainfall recorded at the reservoirs this monsoon is:

• Upper Vaitarna - 3,356 mm
• Modak Sagar - 2,866 mm
• Tansa - 2,620 mm
• Middle Vaitarna - 2,519 mm
• Bhatsa - 2,398 mm
• Tulsi - 3,354 mm
• Vihar - 2,419 mm

Reservoirs at their full capacity

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 Saturday. On the other hand, the water level of Modak Sagar Dam has also decreased marginally on Sunday.

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.