Tuesday, 19 October 2021

70% lake full, Mumbai has a water reserve until April 2022

70% lake full, Mumbai has a water reserve until April 2022

Owing to heavy rainfall in Mumbai and its neighboring areas in the past two weeks, water levels in the seven lakes providing drinking water to the city crossed 70% on Wednesday.

The city now has a water reserve of around 260 days that Mumbai has a water reserve until April 2022.

Civic officials said it was very likely that the city might not have any water cuts this year. However, it will continue monitoring rainfall throughout August. A BMC official said,

“Total lake level going above 85%-90% is considered to be safe, even 70% is safe, but we also need to have rainfall in August to not have any water cuts.”

According to BMC’s data, four lakes — Tulsi, Vihar, Tansa, and Modak Sagar — have overflowed. These lakes have 100% water stock except for Tansa, which has 99% stock. Tulsi Lake, located inside the city, was the first to overflow on July 16, followed by Vihar Lake on July 18 and Modak Sagar and Tansa on July 22.

70 lake full Mumbai has water reserve until April 2022 1 istockphoto image

Read More: The longest tunnel in Maharashtra to be ready in a year will cut travel time between Mumbai and Nagpur by 1 hr.

It was between July 16 and July 23 that the catchment areas received the maximum rainfall. On July 17, the overall water level in seven lakes was just 17%, and the Brihanmumbai Municipal Corporation (BMC) was considering announcing a water cut. However, the water level had crossed the 50%-mark by July 22, 60%-mark on July 24, and 70%-mark on July 28.

Last year on July 28, the total water reserves in the seven lakes was 32%, and it was 75% in 2019.

Bhatsa, which supplies 55% of the total annual water requirement, has 64% water compared to 36% last year. Upper Vaitarna has 48% water as of Tuesday. Last year at this time, it had only 9%. The water level at Middle Vaitarna is 68% compared to 32% last year.

The seven lakes are dividing into two systems — the Vaitarna system, which supplies to western suburbs and island cities, and the Bhatsa system, which delivers to eastern suburbs. The lakes are situating in Mumbai, as well as the neighboring Thane and Palghar districts.

The civic body supplies 3,850 million liters of water daily against the city’s demand for 4,200 million liters. To meet the shortfall, BMC has been exploring several ways to increase the water supply. Two weeks ago, the civic body signed a memorandum of understanding (MoU) with an Israel-based firm for the city’s first desalination project at Manori in Malad. Under this project, BMC plans to turn seawater into drinking water, and the pilot project is expecting to be ready by 2025.

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