Water sources of Mumbai

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Mumbai controls several dams in Shahpur taluk (Thane district) that deliver water to the city. The Western Ghats trap most of the moisture laden monsoon clouds which feed these dammed rivers. Currently, these dams deliver approximately 3.4 billion litres of water to Mumbai daily. Here are the dams supplying the city the water it needs to survive:

Dams and Lakes near Mumbai
Dam [1] Year [2] Capacity
(Million Litres)
Overflow Level
(Metres) [3]
Modak Sagar
(Lower Vaitarna)
1957 128,925 163.15
Tansa Lake 1892 to 1925 144,000 128.63
Vihar Lake 1860 27,000 80.42
Tulsi Lake 1879 8,000 139.17
Upper Vaitarana 1973 227,047 603.51
Bhatsa 1983 710,000 142.07
Middle Vaitarna [4] 2012 193,000 285.00

The water treatment plant in Bhandup, India is the largest and oldest in Asia[5]. Tansa and Vaitarna dams supply the southern region of Mumbai, while the rest supply the suburbs. An underground tank in Malabar Hills is used to store the water.


  1. ^ Mumbai City Development Plan 2005-25 "[1]"
  2. ^ Municipal Corporation of Greater Mumbai "[2]"
  3. ^ Maximum Lake Levels "[3]"
  4. ^ Middle Vaitarna "[4]"
  5. ^ "This Bhandup complex is source of safe drinking water to the city". Times of India. Retrieved 11 July 2017.