Mumbais Water Stock Remains Slightly Above 88%; Lake Levels See Marginal Decline In Last 24 Hours

Mumbai's seven lakes' combined water stock stood at 12,79,566 million litres, 88.41% of useful capacity, as of 6 am on August 1, 2026.

Water stock declined by 0.17 percentage points from 88.58% on Friday, despite fresh rainfall in catchment areas.

Bhatsa, Mumbai's largest source, received 16 mm rainfall and is at 87% capacity; Upper Vaitarna received 160 mm and is at 74.45%.

Three lakes are full: Modak Sagar and Vihar at 100%, Tulsi at 99.66%; Tansa is at 98.77%, Middle Vaitarna at 92.37%.

Vihar and Tulsi began overflowing on July 7, Tansa on July 22, and Modak Sagar on July 23, contributing to water security.