Mumbai Water Stock Reaches 83.68%

Mumbai's water stock has reached 12,11,188 million litres, which is 83.68% of the total useful storage capacity of 14,47,363 ML, according to the Hydraulic Engineer's Department's lake level report released on July 25, 2026.

The report also states that there has been a 6.06% increase in the reservoir stock in the last 24 hours. Among the major reservoirs, Modak Sagar, Vihar, and Tulsi lakes are at 100% capacity, while Tansa has reached 98.45%, Bhatsa stands at 82.68%, Middle Vaitarna at 80.73%, and Upper Vaitarna at 68.11%.

The combined storage of Upper Vaitarna, Middle Vaitarna, Tansa, and Modak Sagar is 5,82,619 ML, accounting for 83.88% of their total useful storage capacity of 6,94,582 ML.

Heavy rainfall continued across the catchment areas over the last 24 hours, with Bhatsa receiving the highest rainfall at 159 mm. This was followed by Upper Vaitarna (131 mm), Middle Vaitarna (93 mm), Tansa (90 mm), and Modak Sagar (84 mm).

Meanwhile, Tulsi recorded 16 mm of rainfall, while Vihar received 13 mm. The cumulative rainfall recorded during the ongoing monsoon season has reached 2,817 mm at Tulsi, the highest among the seven lakes.

Modak Sagar has received 2,159 mm, followed by Upper Vaitarna (2,106 mm), Vihar (2,069 mm), Tansa (2,036 mm), Bhatsa (1,870 mm), and Middle Vaitarna (1,761 mm).

At the Bhandup Complex, 12 mm of rainfall was recorded in the last 24 hours, taking the total seasonal rainfall to 2,214 mm.

According to the Hydraulic Engineer's Department, Vihar, Tulsi, Tansa, and Modak Sagar lakes have already started overflowing this monsoon. Vihar Lake began overflowing on July 7 at 9:00 PM, followed by Tulsi Lake on July 7 at 11:43 PM.

Tansa Lake started overflowing on July 22 at 8:51 AM, while Modak Sagar Lake began overflowing on July 23 at 2:07 AM.

The report also noted that the Middle Vaitarna WSCPO gate has remained closed since July 6, while water release from Upper Vaitarna has remained suspended since July 6, indicating stable reservoir conditions despite continued rainfall.

The increase in water stock is a positive sign for Mumbai, which has been facing water scarcity issues in recent years. The city's water supply is managed by the BMC, which has been working to improve the water infrastructure and reduce water losses.

The current water stock is expected to last until the end of the monsoon season, providing relief to the city's residents. However, the BMC has advised residents to use water judiciously and avoid wastage.

In conclusion, the increase in Mumbai's water stock is a welcome development, and the city's residents can breathe a sigh of relief. However, it is essential to continue using water wisely and avoid wastage to ensure that the city's water supply lasts throughout the year.