Powai Lake is an artificial lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

, situated in the northern suburb of Mumbai

Mumbai

Mumbai , formerly known as Bombay in English, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fourth most populous city in the world, with a total metropolitan area population of approximately 20.5 million...

, in the Powai

Powai

Powai is a suburb situated in the north-east of the city of Mumbai, India. The word Powai comes from Padmavati a Hindu Goddess , whose temple is situated on the banks of Lake Powai...

 valley, where a Powai village with cluster of huts existed. The city suburb called Powai

Powai

Powai is a suburb situated in the north-east of the city of Mumbai, India. The word Powai comes from Padmavati a Hindu Goddess , whose temple is situated on the banks of Lake 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.