
Water storage in the seven reservoirs supplying drinking water to Mumbai has reached 88.49% following heavy rainfall during July. However, with only scattered showers recorded over the past five to six days, the storage level has remained around 88%.
The India Meteorological Department (IMD) has forecast below-normal rainfall in August and September due to the influence of El Niño, raising concerns over further replenishment of reservoir levels.
Mumbai receives around 4,100 million litres of water daily from the Modak Sagar, Bhatsa, Upper Vaitarna, Middle Vaitarna, Vihar, Tulsi and Tansa reservoirs. To meet the city's annual water requirement, the reservoir system must collectively store 1.447 million million litres of water. As of July 30, the total water stock stood at 1.281 million million litres.
The Brihanmumbai Municipal Corporation (BMC) said the existing 10% water cut will remain in force until the reservoirs reach full capacity.
Despite the El Niño forecast, officials said intermittent rainfall during the first two weeks of August could still push the reservoir levels to 100%. Four of the seven reservoirs have already started overflowing, while the remaining three are nearing full capacity.
If rainfall improves in the coming weeks, the city's water shortage is expected to ease during August.
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