India, Oct. 2 -- Mumbai's water stock will sustain the city until September 5, 2027, if the 10% water cut is extended and the approved reserve storage in Upper Vaitarna and Bhatsa - dams that provide the major share of water to the city - is maintained, reported the water-supply planning data prepared by the Brihanmumbai Municipal Corporation (BMC). It was presented by Abhijit Bangar, additional municipal commissioner (projects), at the civic standing committee on Thursday.

The civic body currently supplies around 4,100 million litres of water a day (MLD) to the city. Among the major reservoirs, Bhatsa has the largest useful storage, at 7,17,037 million litres, of which 7,04,965 million litres was available till September 30. Without a c...