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Mumbai controls several dams in Shahapur Taluka (Thane district) that deliver water to the City and Suburban areas. The Western Ghats trap most of the moisture laiden monsoon clouds which feed these dammed rivers. Currently, these dams/ lakes deliver approximately 3.4 billion litres of water to Mumbai City and Suburban areas daily. Here are the dams/ lakes supplying the city the water it needs to survive:
| Dam [1] | Year [2] | Capacity (Million Litres) |
Overflow Level (Metres) [3] |
|---|---|---|---|
| Vihar Lake | 1860 & 1872 | 25,698 | 80.42 |
| Tulsi Lake | 1872 | 8,046 | 139.17 |
| Tansa | 1892 (Stage-I)
1915 (Stage-II) 1925 (Stage-III) 1948 (Stage-IV) |
145,080 | 128.63 |
| Modak Sagar (Lower Vaitarna) |
1954 & 1957 | 128,925 | 163.15 |
| Upper Vaitarana | 1972 | 227,047 | 603.51 |
| Bhatsa | 1980 to 2007 | 717,037 | 142.07 |
| Middle Vaitarna[4] | 2014 | 193,530 | 285.00 |
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.
- ^ Mumbai City Development Plan 2005-25 "[1]"
- ^ Municipal Corporation of Greater Mumbai "[2]"
- ^ Maximum Lake Levels "[3]"
- ^ Middle Vaitarna "[4]"
- ^ Bharucha, Nauzer K.; Pinto, Richa (15 September 2016). "This Bhandup complex is source of safe drinking water to the city". The Times of India. Retrieved 10 January 2023.