Mumbai Rains: Water Stock Of City's 7 Lakes Crosses 40% Mark Amid Consistent Monsoon Showers

Mumbai: The city’s water reserves received a welcome boost as the collective stock in lakes supplying drinking water to Mumbai crossed the 40 per cent mark, according to the latest data released by the BMC’s Hydraulic Engineer’s Department on Monday morning. As of 6:00 am on June 30, 2025, the total useful water stock stood at 5,82,175 million litres, which is 40.22 per cent of the total required storage capacity of 14.47 lakh million litres.

🚰 मुंबईला पाणीपुरवठा करणाऱ्या ७ जलाशयांचा आज सकाळी ६ वाजेपर्यंतचा अहवाल
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🚰 Report of water stock in the seven lakes, supplying water to Mumbai, till 6am today.#MumbaiRains#MyBMCUpdates pic.twitter.com/YmIaeqWMPB

— माझी Mumbai, आपली BMC (@mybmc) June 30, 2025

Thanks to consistent rainfall over the past week, including 2 mm of rain recorded at the Bhandup Complex and a cumulative 474 mm so far, water levels in several key lakes have seen notable rises. The rise is particularly crucial as Mumbai steps into the core monsoon period, typically a time of high rainfall but also high water demand.

Details On Water Levels Of All Lakes

Bhatsa Lake, one of the largest contributors to the city’s water supply, reported a useful content of 2,44,439 million litres after receiving 21 mm of rainfall on Sunday. The total rainfall at Bhatsa now stands at 788 mm. The lake currently holds 34.08 per cent of its capacity.

Modak Sagar and Upper Vaitarna, two other important sources, also reported healthy gains. Modak Sagar, which recorded 20 mm rainfall, has reached 53.48 per cent of its useful storage with 68,955 million litres, while Upper Vaitarna saw a 0.12-meter rise in water level in the last 24 hours, reaching 47.78 per cent of its capacity.

Mumbai Weather Update For June 30: Light To Moderate Rainfall Is Predicted In City; Check Temperatures & AQI

Tansa and Middle Vaitarna, both located in Thane district, showed promising signs as well. Tansa now holds 61,707 million litres, which is 42.53 per cent of its useful storage, while Middle Vaitarna stands at 43.28 per cent. The cumulative water stock in Upper Vaitarna, Tansa, Modak Sagar, and Middle Vaitarna is now 3,22,906 million litres, a major improvement.

Lakes Within City Receive Light Rains

Meanwhile, Tulsi and Vihar lakes within city limits recorded rainfall of 10 mm and 20 mm, respectively, and now have 40.24 per cent and 42.21 per cent of their useful storage levels filled.

With the lake levels now exceeding the 40 per cent threshold, officials say the water situation is under control for the short term, though continued monsoon activity through July is essential to avoid any water cuts later in the year. The BMC continues to monitor lake data closely to plan accordingly for Mumbai’s water needs.