Live storage, water levels and rainfall data for Mumbai Lakes [30 Sep 2021]

Last Modified: Fri Oct 01 2021 19:39:14 GMT+0530 (India Standard Time)
  • 98.77%
    Combined live storage across all lakes compared to 98.98% same time last year. 1,429,542 million litres - Live storage as at 6 am 30 Sep 2021. [Annual requirement: 1,447,363 million litres, Total capacity: 1,778,000 million litres]
  • 371
    Number of days of supply left in all lakes combined (@ 3,850 million litres BMC supplies to city each day as against a need of 4,200 million litres).
  • 709,081 million litres
    भातसा / Bhatsa. At 98.89% of its live storage capacity of 717,037 million litres, compared to 99.35% at the same time last year. Today's rainfall: 56 mm. Total rainfall since 01 Jun: 3,054 mm. ~45% rise in storage over a 8 day period of 20 to 27 Jul! Lake's share of water to Mumbai: 48%. Nearly 70% of water in the dam is meant for Mumbai.
  • 225,601 million litres
    Upper Vaitarna. At 99.36% of its live storage capacity of 227,047 million litres, compared to 99.15% at the same time last year. Today's rainfall: 61 mm. Total rainfall since 01 Jun: 2,536 mm. Lake's share of water to Mumbai: 16%.
  • 186,540 million litres
    Middle Vaitarna. At 96.39% of its live storage capacity of 193,530 million litres, compared to 97.02% at the same time last year. Today's rainfall: 57 mm. Total rainfall since 01 Jun: 2,678 mm. ~58% rise in storage in last 10 days! Lake's share of water to Mumbai: 12%.
  • 128,925 million litres
    मोडकसागर / Modak Sagar.. At 100.00% of its live storage capacity of 128,925 million litres, compared to 100.00% at the same time last year. Today's rainfall: 78 mm. Total rainfall since 01 Jun: 3,442 mm. ~74% rise in storage in 4 days, 19 Jul - 22 Jul! Lake's share of water to Mumbai: 11%. The city sources 440 million litres of water each day from the lake. First overflow of the season on 22 Jul.
  • 143,652 million litres
    तानसा / Tansa. At 99.02% of its live storage capacity of 145,080 million litres, compared to 99.02% at the same time last year. Today's rainfall: 68 mm. Total rainfall since 01 Jun: 2,997 mm. ~62% rise in storage in 4 days, 19 Jul - 22 Jul! Lake's share of water to Mumbai: 10%. First overflow of the season on 22 Jul.
  • 8,035 million litres
    Tulsi. At 99.86% of its live storage capacity of 8,046 million litres, compared to 100.00% at the same time last year. Today's rainfall: 96 mm. Total rainfall since 01 Jun: 5,047 mm. Lake's share of water to Mumbai: 2%. First overflow of the season at 11 am on 16 Jul.
  • 27,698 million litres
    Vihar. At 100.00% of its live storage capacity of 27,698 million litres, compared to 100.00% at the same time last year. Today's rainfall: 53 mm. Total rainfall since 01 Jun: 3,408 mm. Lake's share of water to Mumbai: 1%. First overflow of the season at 9 am on 18 Jul.
  • 3,800 million litres
    Volume of water the BMC supplies to the city and its suburbs every day.
  • 233,070 million litres
    Barvi. At 100.00% of its live storage capacity of 233,070 million litres, compared to 100.00% at the same time last year. The water from Barvi dam is supplied to Thane, Kalyan-Dombivli, Ulhasnagar, Mira- Bhayander, Bhiwandi and Navi Mumbai. (This entry as included as part of Mumbai lakes on popular demand :-)). Data as on 06 Sep.
  • 01 Jul
    Brihanmumbai Municipal Corporation (BMC) unlikely to announce water cuts given water supply combined live storage across all lakes on 01 Jul was at 18.28% compared to 8.18% same time last year.
  • 16 Jul
    “For a week now, cumulative water available in the seven lakes has not increased, and remains at about 17%. The catchment area has not received sufficient rainfall. We will observe the lake levels closely for the next two-three days, and then decide the future course of action for the remaining year. A decision about whether to impose a water cut will be taken after this.” - Ajay Rathor, chief engineer of BMC’s hydraulics department. As reported by Hindustan Times | Eeshanpriya.