22 September,2026 10:18 AM IST | Mumbai | mid-day online correspondent
The combined storage stood at 98.11 per cent of the total useful capacity of 14,47,363 ML. Representational Pic
Mumbai's seven lakes supplying water to the city held 14,19,974 million litres (ML) of useful water as of 6 am on Tuesday, September 22, according to the Hydraulic Engineer's Department.
The combined storage stood at 98.11 per cent of the total useful capacity of 14,47,363 ML.
While the city's water stock remains high, the level is marginally below the corresponding period last year, when the lakes held 99.29 per cent of their useful capacity. The storage is slightly higher than the 98.15 per cent recorded during the same period in 2024.
Among the seven lakes, Bhatsa, Vihar and Tulsi remained at full capacity, with Vihar and Tulsi continuing to overflow. Modak Sagar had the lowest storage level at 88.80 per cent.
Bhatsa was at its full reservoir level of 142.07 metres, with 7,17,037 ML of live storage, or 100 per cent of its useful capacity. The lake recorded 2 mm of rainfall in the past 24 hours, taking its seasonal rainfall total to 2,689 mm.
Vihar was also at 100 per cent capacity, with its level at 80.22 metres against the full supply level of 80.12 metres. The lake recorded 12 mm of rainfall and has received 2,757 mm during the season. It has been overflowing since July 7.
Tulsi remained above its full supply level at 139.23 metres against 139.17 metres, with its live storage at 100 per cent. The lake received 61 mm of rainfall, taking its seasonal total to 3,803 mm. Tulsi has been overflowing since July 7.
Modak Sagar had 1,14,481 ML of live storage, accounting for 88.80 per cent of its useful capacity of 1,28,925 ML. Its water level rose by 0.31 metres in the past 24 hours to 161.37 metres. The lake recorded 1 mm of rainfall, with its seasonal total at 3,252 mm.
Tansa stood at 98.45 per cent of its useful capacity, holding 1,42,828 ML against 1,45,080 ML. Its water level fell marginally by 0.01 metres to 128.51 metres. No rainfall was recorded over the past 24 hours, while its seasonal rainfall total stood at 2,959 mm.
Upper Vaitarna held 2,18,368 ML, or 96.18 per cent of its useful capacity. Its water level rose by 0.03 metres to 603.24 metres. The lake recorded 28 mm of rainfall, taking its seasonal total to 3,894 mm.
Middle Vaitarna stood at 98.96 per cent, with 1,91,517 ML stored against a useful capacity of 1,93,530 ML. Its water level fell by 0.34 metres to 284.51 metres despite 11 mm of rainfall. The seasonal rainfall total stood at 2,950 mm.
Together, Upper Vaitarna, Middle Vaitarna and Tansa held 6,67,193 ML, or 96.06 per cent of their combined useful capacity of 6,94,582 ML.
The Bhandup Complex recorded 26 mm of rainfall in the past 24 hours, taking its seasonal rainfall total to 2,961 mm.
The Hydraulic Engineer's Department said the Middle Vaitarna WSCPO gate was closed on July 6, while release from Upper Vaitarna was stopped the same day. Tansa began overflowing on July 22, followed by Modak Sagar on July 23.
With the combined lake stock at 98.11 per cent, Mumbai's water reservoirs continue to remain well stocked, with three of the seven lakes at full capacity.