Mumbai: The city’s water stock has seen a notable rise following steady rainfall over the last few days. According to the latest data from the Hydraulic Engineer’s Department (BMC) as of 6:00 am on Wednesday, July 2, 2025, the combined water stock across Mumbai’s lakes has reached 6,29,032 million litres, approximately 43.46 per cent of the city’s full useful water storage capacity of 14.47 lakh million litres.
🚰 मुंबईला पाणीपुरवठा करणाऱ्या ७ जलाशयांचा आज सकाळी ६ वाजेपर्यंतचा अहवाल
— माझी Mumbai, आपली BMC (@mybmc) July 2, 2025
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🚰 Report of water stock in the seven lakes, supplying water to Mumbai, till 6am today.#MumbaiRains#MyBMCUpdates pic.twitter.com/AMJk7zX3EF
Details On Water Levels Across Lakes
Among all reservoirs, Bhatsa Lake contributed the largest share with 2,58,822 million litres, followed by Middle Vaitarna at 93,493 million litres, and Upper Vaitarna with 1,28,625 million litres. The collective live storage from the four major reservoirs, Upper Vaitarna, Modak Sagar, Tansa, and Middle Vaitarna, has now reached 3,55,532 million litres, reflecting 51.16 per cent of their combined useful storage.
Heavy rainfall was recorded in several lake catchment areas over the past 24 hours. Middle Vaitarna led with 95 mm of rainfall, followed by Upper Vaitarna (62 mm), Modak Sagar (27 mm), and Tansa (60 mm). The Modak Sagar and Tansa reservoirs are nearing the halfway mark in terms of storage capacity, with 54.12 per cent and 43.72 per cent of useful content, respectively.
Tulsi Lake, one of the smaller yet key sources for the city, recorded 16 mm of rainfall and currently stands at 39.73 per cent of its useful capacity. Vihar Lake, meanwhile, recorded a modest 3 mm of rainfall but is storing 11,691 million litres, 42.21 per cent of its full potential.
Bhatsa and Upper Vaitarna together account for the majority of Mumbai’s water supply. The Bhatsa Lake catchment received 48 mm of rainfall in the last 24 hours, pushing its storage to over 36 per cent of capacity.
Mumbai Weather Update: IMD Issues Yellow Alert For City & MMR With Heavy Rain Expected On July 2 & 3; June Rainfall Above AverageThe BMC reported a total rainfall of 482 mm at its Bhandup Complex since the start of the monsoon, with 4 mm recorded on Tuesday alone.
With the city’s total water stock now comfortably above the 40 per cent mark, civic officials remain cautiously optimistic. The target is to reach maximum gains by the end of the monsoon to ensure an uninterrupted water supply for the rest of the year.
Mumbai requires approximately 14.47 lakh million litres annually, and the recent rainfall has helped bridge the gap significantly, offering much-needed relief to the city’s residents amid an active monsoon season.
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