The civic body also added that 53.86 per cent of water is available in seven lakes that supply water to Mumbai.
The Brihanmumbai Municipal Corporation (BMC) said that Modak-Sagar lake started flowing at 3:24 am, while Tansa lake started flowing at 5:48 am on Thursday.
“Two gates of Modak-Sagar lake and one gate of Tansa lake have been opened,” said the civic body.
Tulshi Lake and Vihar Lake started overflowing on July 16 and 18, respectively.
“The total storage capacity of the seven dams supplying water to Mumbai is about 1,44,736.3 crore litres (14,47,363 million litres) of that, 77,956.8 crore litres as per the measurement conducted at 6.00 am today. (7,79,568 million liters) or 53.86 per cent of water has been stored,” the BMC said.