Mumbai Lake Levels Cross 90% Amid Monsoon

Mumbai's water stock has crossed the 90% mark, with the seven lakes supplying water to the city collectively holding 90.26% of their useful live storage capacity as of August 13, 2026. The figure stood at 89.49% a day earlier, marking an increase of 0.77 percentage points in 24 hours.

The combined useful live storage capacity of Mumbai's seven lakes is 14,47,363 million litres. As of Thursday morning, the lakes held around 13,06,364 million litres, equivalent to 90.26% of the total useful capacity.

Among the reservoirs, Middle Vaitarna recorded 93.72% of its useful live storage capacity, while Bhatsa stood at 88.07%. Upper Vaitarna was at 81.45%, while Modak Sagar was at 83.63%. Tansa recorded 99.18%, while Vihar and Tulsi were at 100% and 100%, respectively.

The report also records that Vihar Lake started overflowing on July 7, followed by Tulsi Lake later the same day. Tansa Dam began overflowing on July 22, while Modak Sagar started overflowing on July 23.

Rainfall across several lake catchment areas over the past 24 hours has further strengthened Mumbai's water reserves. Middle Vaitarna received 25 mm, while Upper Vaitarna recorded 26 mm of rain. Bhatsa received 11 mm, Vihar 3 mm, Tulsi 7 mm, Tansa 12 mm, and Modak Sagar recorded 35 mm of rainfall during the period.

Mumbai's water security has been a major concern in recent years, with the city facing water shortages during the summer months. However, with the monsoon season in full swing, the city's water reserves have strengthened significantly.

The Hydraulic Engineer's Department's Master Control Centre (Bhandup Complex) monitors the lake levels and provides updates on the city's water stock. The department's report is crucial in determining the city's water supply and planning for the future.

With Mumbai continuing to receive regular monsoon showers, the city's water reserves are expected to remain strong. The increased water stock will provide a major boost to the city's water security, ensuring that residents have access to sufficient water throughout the year.

The monsoon season is expected to continue for several more weeks, and the city's water reserves are likely to remain strong. The increased water stock will provide a major boost to the city's water security, ensuring that residents have access to sufficient water throughout the year.

In conclusion, Mumbai's lake levels crossing the 90% mark is a significant development, providing a major boost to the city's water security. With the monsoon season in full swing, the city's water reserves are expected to remain strong, ensuring that residents have access to sufficient water throughout the year.