Vihar lake which supplies water to Mumbai. File
| Photo Credit: Prashant Waydande
Amidst delayed monsoon in Maharashtra, the combined water levels in the seven lakes that supply water to Mumbai are at 8.3% as of June 22, 2026, as per the data released by the Brihanmumbai Municipal Corporation’s (BMC) Hydraulic Engineer’s Department.
With a combined useful capacity of 14,47,363 million litres across the seven lakes, the total storage stood at 1,20,712 million litres as of 6 a.m. on Monday (June 22, 2026).
Mumbai receives its water supply from seven lakes; 5 of which are in the neighbouring Thane and Nashik districts, and 2 – Tulsi and Vihar, which are also the two smallest of the seven reservoirs – located within Mumbai.
Water levels in larger water reservoirs like Bhatsa, Tansa, and the two in the Vaitarna system are critically low, as the graphic above shows. For example, Bhatsa, the largest reservoir which has a capacity of 7,17,037 million litres has just 54,918 million litres (or 7.66%) of useful stock for the city as of Monday.
With delayed monsoons and the daily water demand of the city, water levels in these reservoirs have declined since May 15, 2026, when BMC announced a 10% cut as a precautionary measure. BMC has been supplying around a daily limit of 3,950 million litres of water to the city. This leaves just over 30 days of water for the city in the reservoirs.
Around this time last year, the combined useful water levels of the seven reservoirs stood at 25.87% (as of June 21, 2025). Water levels in each of the seven reservoirs since June 21, 2025 is shown in the chart below.
Published – June 23, 2026 08:45 am IST
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