With attached piece of forest land and parks, Mumbai city has artificial lakes to enhance beauty as well as for water supply purpose of the places around it. Around suburbs, near powai which shares its name after the lake has Powai Lake which is named after Framaji Kavasji Powai Estate is an artificially created lake.IIT (Indian Institute of Technology) Bombay, which is one of the premier institutions of science and technology in India, is also located to the eastern side of Powai Lake. There is another famous institute, the National Institute of Industrial Engineering (NITIE), which is located quite close to the lake. Variety of housing complexes and plush hotels are developed all around the lake periphery since its existence. Due to its visual delight and pleasantness, the population around the lake has substantially increased over the years.
When the lake was built by british in the year 1799 A.D., the lake had an area of about 2.1 square kilometres (520 acres) and the depth varied from about 3 metres (9.8 ft) (at the periphery) to 12 metres (39 ft) at its deepest. Over period of time, the Lake has gone through many changes in its quality of water and Life around it. Due to these stages of water quality degradation, The lake water which used to supply drinking water for Mumbai has been declared unfit to drink, however, the lake still remains one of the place of tourist attraction.
Even though drinking water supply was not used anymore form the lake, Due its degraded water quality, The lake has a good view and is still visually pleasing enough. Over time the lake suffered ill effects of pollution, water hyacinth and weeds, untreated sewage and large silt deposit. To sustain the maintainance of the left over lake, it was leased to western india fishing associationwho then used it for fish culture and angling.