Mumbai lakes hold 92.16 per cent water stock as three reservoirs remain at full capacity

Representational image. File pic

Mumbai's seven lakes, which supply drinking water to the city, collectively held 13,33,884 million litres of water, or 92.16 per cent of their total live storage capacity, as of 6 am on Monday, August 17, 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 13,12,539 million litres (90.68 per cent). However, the lake levels remained significantly lower than in 2024, when the lakes had 13,48,885 million litres, accounting for 93.20 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 99.10 per cent, Middle Vaitarna was at 97.68 per cent, Bhatsa, the city's largest reservoir, was at 89.89 per cent, while Upper Vaitarna remained the lowest-filled lake at 84.51 per cent.

The current storage in individual lakes is as follows:

• Upper Vaitarna: 1,91,876 million litres (84.51 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: 1,89,031 million litres (97.68 per cent)
• Bhatsa: 6,44,538 million litres (89.89 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 Upper Vaitarna Sagar receiving the highest rainfall of 43 mm.

Other rainfall recorded at the reservoirs includes:

• Modak Sagar- 12 mm
• Middle Vaitarna - 25 mm
• Tulsi - 15 mm
• Tansa - 6 mm
• Bhatsa - 15 mm
• Vehar- 7 mm

The Bhandup Complex recorded significant rainfall during the last 24 hours, taking its cumulative seasonal rainfall to 2,632 mm.

Monsoon rainfall so far

The cumulative rainfall recorded at the reservoirs this monsoon is:

• Upper Vaitarna - 3,399 mm
• Modak Sagar - 2,878 mm
• Tansa - 2,626 mm
• Middle Vaitarna - 2,544 mm
• Bhatsa - 2,413 mm
• Tulsi - 3,369 mm
• Vihar - 2,426 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.