Tansa Lake, one of the seven key reservoirs supplying drinking water to Mumbai, began overflowing on Wednesday evening, civic officials said.

It marks Tansa as the second reservoir to overflow this monsoon season, following Modak Sagar, which reached capacity on July 9. Prior to that, the BMC had opened three gates of the Middle Vaitarna Dam on July 7.

In a post on X, the Brihanmumbai Municipal Corporation (BMC) wrote, "Tansa Lake, one of the lake supplying water to the Mumbai, has started overflowing at around 5:40 pm today. The full storage capacity of Tansa Lake is 14,508 crore liters (145, 080 MLD)."