Mumbai Lake Levels Reach 95.83 Per Cent as Combined Water Stock Rises

Mumbai's seven reservoirs recorded a marginal rise in their combined water stock to reach 95.83 per cent as of 6 am on Wednesday, August 26, 2026, up from 95.72 per cent a day earlier.

According to the latest report from the Hydraulic Engineer's Department, the seven lakes collectively hold 13,86,958 million litres (ML) of water against a total useful storage capacity of 14,47,363 ML. The total stock increased by approximately 1,511 ML over the 24-hour period.

Among the individual reservoirs, Vehar remained at 100 per cent of its useful storage capacity, holding 27,698 ML. Modak Sagar was almost full at 99.99 per cent with 1,28,910 ML. Tansa stood at 98.89 per cent, holding 1,43,181 ML, while Tulsi reached 98.74 per cent with 7,944 ML in storage.

Middle Vaitarna held 1,87,755 ML, bringing its level to 97 per cent capacity. Bhatsa, which is Mumbai's largest reservoir, held 6,78,681 ML, equivalent to 95.91 per cent of its useful storage. Upper Vaitarna continued to record the lowest level among the seven lakes at 89.76 per cent, holding 2,03,789 ML of useful water content.

Catchment areas recorded varying amounts of precipitation over the 24-hour window. Middle Vaitarna recorded 17 mm of rainfall, while Upper Vaitarna and Tulsi received 8 mm each. Bhatsa logged 6 mm, Modak Sagar recorded 4 mm, and Tansa saw 2 mm. Vehar recorded no rainfall during the period.

The Bhandup Complex also recorded no rainfall over the 24 hours, keeping its seasonal rainfall total at 2,699 mm.

Multiple reservoirs have maintained their overflow status after reaching peak levels earlier in the monsoon. Vehar and Tulsi started overflowing on July 7, followed by Tansa on July 22 and Modak Sagar on July 23.