Mumbai controls several dams in Shahapur Taluka (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/lakes deliver approximately 3.4 billion litres of water to Mumbai daily.
{| class="wikitable sortable" width="500px" style="margin:1em auto;"
|+ Dams and Lakes near Mumbai
|-
! Dam
! Year
! Capacity<br />(Million Litres)
! Overflow Level<br />(Metres)
|-
| Vihar Lake
| 1860 & 1872
| align="Right" | 25,698
| align="Right" | 80.42
|-
| Tulsi Lake
| 1872
| align="Right" | 8,046
| align="Right" | 139.17
|-
| Tansa
| 1892 (Stage-I)
1915 (Stage-II)
1925 (Stage-III)
1948 (Stage-IV)
| align="Right" | 145,080
| align="Right" | 128.63
|-
| Modak Sagar<br />(Lower Vaitarna)
| 1954 & 1957
| align="Right" | 128,925
| align="Right" | 163.15
|-
| Upper Vaitarna
| 1972
|align=Right | 227,047
|align=Right | 603.51
|-
| Bhatsa
| 1980 to 2007
|align=Right | 717,037
|align=Right | 142.07
|-
| Middle Vaitarna
| 2014
|align=Right | 193,530
|align=Right | 285.00
|}
Tansa and Vaitarna dams supply the Southern region of Mumbai, while the rest supply the suburbs. An underground tank in Malabar Hill is used to store the water.