Mumbai lakes hold 95.72 per cent water stock as Vihar and Modak Sagar remain full

Representational image. File pic

Mumbai's seven lakes, which supply drinking water to the city, collectively held 13,85,447 million litres of water, or 95.72 per cent of their total live storage capacity, as of 6 am on Tuesday, August 25, 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 13,89,913 million litres (96.03 per cent). However, the lake levels remained higher than in 2024, when the lakes had 13,78,877 million litres, accounting for 95.27 per cent of the total live storage.

Vihar and Modak Sagar lakes remain full

Among the seven reservoirs, Vihar and Modak Sagar lakes remained at 100 per cent live storage. Whereas the water levels at Tulsi stood at 98.84, Tansa at 99.10 per cent, Middle Vaitarna was at 96.48 per cent, Bhatsa, the city's largest reservoir at 95.75 per cent, while Upper Vaitarna remained the lowest-filled lake at 89.76 per cent.

The current storage in individual lakes is as follows:

• Upper Vaitarna: 2,03,789 million litres (89.76 per cent)
• Modak Sagar: 1,28,925 million litres (100.00 per cent)
• Tansa: 1,43,769 million litres (99.10 per cent)
• Middle Vaitarna: 1,86,722 million litres (96.48 per cent)
• Bhatsa: 6,86,583 million litres (95.75 per cent)
• Vihar: 27,698 million litres (100 per cent)
• Tulsi: 7,961 million litres (98.94 per cent)

Light showers continued across the lake catchment areas over the past 24 hours, with Middle Vaitarna receiving the highest rainfall of 15 mm.

Other rainfall recorded at the reservoirs includes:

• Modak Sagar- 3 mm
• Upper Vaitarna - 5 mm
• Tulsi - 4 mm
• Tansa - 3 mm
• Bhatsa - 0 mm
• Vihar- 2 mm

The Bhandup Complex recorded significant rainfall during the last 24 hours, taking its cumulative seasonal rainfall to 2,699 mm.

Monsoon rainfall so far

The cumulative rainfall recorded at the reservoirs this monsoon is:

• Upper Vaitarna - 3,597 mm
• Modak Sagar - 3,005 mm
• Tansa - 2,714 mm
• Middle Vaitarna - 2,671 mm
• Bhatsa - 2,479 mm
• Tulsi - 3,440 mm
• Vihar - 2,491 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.