21 July,2026 10:00 AM IST | Mumbai | mid-day online correspondent
Vihar and Tulsi, the first two lakes to fill this monsoon. File Pic
The total water stock in the seven lakes supplying drinking water to Mumbai has risen to 8,35,919 million litres (ML), or 57.75 per cent of their total live storage capacity, according to the Hydraulic Engineer's Department, BMC, in its report released at 6 am on Tuesday, July 21.
The city's reservoirs collectively hold 8,35,919 ML of water out of the full storage capacity of 14,47,363 ML.
[mumbaiwaterstock]
Among the seven lakes, Bhatsa registered the highest rise in water level over the past 24 hours, increasing by 1.38 metres. The reservoir now holds 3,73,983 ML, or 52.16 per cent of its live storage capacity. Bhatsa also received 100 mm of rainfall in the last 24 hours, taking its cumulative rainfall to 1,415 mm.
The combined storage of Upper Vaitarna, Modak Sagar, Tansa and Middle Vaitarna has reached 4,26,192 ML, which is 61.36 per cent of its total capacity of 6,94,582 ML.
Upper Vaitarna: Water level stood at 598.73 metres, up 0.22 metres, with 82,675 ML in storage (36.41 per cent). The lake received 96 mm rainfall in the past 24 hours, taking the seasonal total to 1,231 mm.
Modak Sagar: Water level rose by 0.65 metres to 160.95 metres. The reservoir now stores 1,11,106 ML, or 86.18 per cent of capacity, after receiving 67 mm rainfall. Total rainfall has reached 1,639 mm.
Tansa: The lake level increased by 0.54 metres to 128.12 metres. Storage now stands at 1,35,246 ML (93.22 per cent), following 105 mm rainfall during the last 24 hours. Seasonal rainfall has reached 1,665 mm.
Middle Vaitarna: Water level climbed 0.87 metres to 267.26 metres, with storage of 97,166 ML, or 50.21 per cent capacity. The reservoir recorded 44 mm rainfall, taking the cumulative total to 1,216 mm.
Vihar and Tulsi, the first two lakes to fill this monsoon, continue to remain at 100 per cent capacity.
Vihar Lake recorded a water level of 80.48 metres after rising 0.10 metres. It received 69 mm rainfall in the past 24 hours, taking the seasonal total to 1,846 mm.
Tulsi Lake stood at 139.28 metres, up 0.08 metres, after recording 48 mm rainfall. Its cumulative rainfall has reached 2,497 mm, the highest among all seven reservoirs.
The Bhandup Complex recorded 55 mm of rainfall during the last 24 hours, taking the cumulative rainfall at the complex to 1,954 mm.
According to the report:
The steady rise in reservoir levels, aided by continued monsoon rainfall across the catchment areas, has further strengthened Mumbai's water reserves for the season.
