Powai Lake (named after Framaji Kavasji Powai Estate) is an artificial lake, situated in the northern suburb of Mumbai, on Salsette Island, in the Powai valley, where a Powai village with cluster of huts existed. The city suburb called Powai, shares its name with the lake.
Indian Institute of Technology, Bombay one of the premier institutions of science and technology in India is located to the east of the lake. Another famous institution, the National Institute of Industrial Engineering (NITIE) is also located close to the lake. Housing complexes and plush hotels are developed all around the lake periphery. Population around the lake has thus substantially increased over the years.
When it was built, the lake had a water spread 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.The Powai Lake has gone through many stages of water quality degradation. The lake water which used to supply to Mumbai for drinking water has been declared unfit to drink. The Lake still remains a tourist attraction
Large number of crocodiles on the lake side have been sighted on the shores of the lake and also reported by fishermen and officials of IIT, Powai.
White throated kingfisher, small blue kingfisher, spot-billed duck, spotted dove, a few purple moorhens, purple rumped sunbirds, bronze winged and phaesant tailed jacanas, ashy prinias, brahmany kite, Red vented, red whiskered and white browed bulbuls, cormorants, lesser whistling ducks, grey, purple and pond herons, little, intermediate and large egrets, perigrine falcon, greater coucal, rose ringed and Alexindrine parakits, Eurasian marsh harrier (possibly winter visitor), wooly necked stork (winter visitor) hopooe & whiskered terns. butterflies, honey bees, bumble bees and beetles have also been sighted.
Flora - Balsam bushes, in their full bloom, in pink-purple color are seen around the lake periphery, like a carpet.
The lake is about 40 kilometres (25 mi) from Mumbai by road and is approached via King's Circle, Sion, and Kurla or through Santa Cruz and Andheri. Kanjurmarg on the central main line of the Mumbai Suburban Railway is the nearest railway station to the lake.