Jun 142013
 

 

 
 

Water Level in Mumbai’s Lakes in 2013

MUMBAI LAKE MINIMUM LEVEL OVERFLOW LEVEL 15 SEP LEVEL USABLE WATER (ML)
Bhatsa Lake 104.90 142.07 141.3 674,500
Middle Vaitarna 220.00 285.00 111.2 61,000
Upper Vaitarna 595.44 603.51 603.3 170,490
Tansa Lake 118.87 128.63 128.4 144,860
Modak Sagar 143.26 163.15 162.8 128,600
Vihar Lake 73.92 80.42 80.3 19,670
Tulsi Lake 131.07 139.17 139.0 8,040
TOTAL USABLE WATER IN MUMBAI LAKES 1,207,160

(Mumbai Lake Level as on 15 September, 2013)

(Figures are in Meters, except “USABLE WATER”, which is in Million Litres)

 

  • As on 15 September, 2013, the total usable water in Mumbai’s 7 lakes was 1,207,160 million liters. This is more or less similar to the lake levels at this time of the year in 2012.
  • Mumbai’s 7 lakes have a total usable water quantity of 1,454,700 million litres.
  • Bhatsa Lake is the Most Important Lake for Mumbai since it supplies over 40% of Mumbai’s lake water. Although Bhatsa Lake has a total capacity of around 942,000 million litres, not all of it is for Mumbai.
  • Middle Vaitarna Lake is Mumbai’s Second Most Important Lake. A 50 meter road bridge across the Middle Vaitarna Dam has just been completed by the PWD. With the completion of the road, BMC will start filling the Middle Vaitarna Dam; but since it is late in the monsoon season, this dam may not fill to its full capacity. The PWD road is 2 years behind schedule.
  • Mumbai’s Monsoon season has started 1-2 days ahead of schedule. Rains in Mumbai in June and July, 2013 were higher than average, but below average in August.
  • In 2012, rains started late and water levels in Mumbai’s 7 lakes were very low in June and July, 2012. BMC had imposed a 10% reduction in water supplied to Mumbai until mid September. Late rains in August and September of 2012 helped fill up Mumbai’s lakes.
  • Of the seven lakes that supply water to Mumbai, only Vihar and Tulsi Lakes are within Mumbai. This link has information on Mumbai’s Lakes.

 

Picture of Mumbai Lake (Tulsi Lake) that supplies water to Mumbai City.

 


 

2013 Actual Vs Normal Rainfall Level in Mumbai

 

MUMBAI LOCATION TOTAL RAINFALL UNTIL 18th SEPTEMBER, 2013
ACTUAL NORMAL DIFFERENCE
Mumbai-Colaba 2174.7 2027.4 147.3  (7 %)
Mumbai-Santacruz 2326.6 2027.4 299.2  (15 %)

(Figures in MM)

 

 

  • On an average, Mumbai receives 2,200 mm of rains a year during the Monsoon season.
  • Apart from 1971, this year’s June month rainfall level has been been the highest in 50 years.
  • The wettest date in the 2013 Mumbai Monsoon season was on 10 June, 2013. Colaba received 91 mm and Santacruz received 181 mm of rain on that day.
  • Mumbai’s monsoon season has started well; though a little ahead of schedule.
  • The first two weeks saw heavy rains, followed by a lull in the monsoon. Week from the 19 July to 25 July saw the highest weekly rainfall in 2013.

 


 

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Image by Elroy Serrao. Image used under Creative Commons license CC BY-SA 2.0.

 

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