The dam built across the river is divided into three parts the upper, middle and lower vaitarna dam. The lower Vaitarna Dam, also called Modaksagar Dam, is a gravity dam on Vaitarna river near Mumbai in State of Maharashtra in India.Vaitarna Lake is one of the best sweet water lakes of Mumbai.

Situated in a pictorial environment, Vaitarna Dam in the Vaitarna River offers the stunning scenery of the Western Ghats. It was constructed in the early 50’s
Location:
20 km from Khodala in Thane District

It is the chief source of water and electricity to the Mumbaikars.The height of the dam above lowest foundation is 82 m (269 ft) while the length is 567.07 m (1,860.5 ft). The gross storage capacity is 204,980.00 km3 (49,177.32 cu mi)
A massive lake fringed with thick woods forms the prime attraction here.

Upper Vaitarana Dam, is a earthfill and gravity dam on Vaitarna river near Igatpuri in state of Maharashtra in India.

The much-awaited water project for the city got a go-ahead with the laying of the foundation stone for the Rs 505-crore Middle Vaitarana Dam project. “Water supply projects worth Rs 2,000 crore that were earlier rejected by the Centre will get preference,” said Union Urban Development Minister Jaipal Reddy at the function at the Bhandup Water Treatment Plant.The project will be ready by April 2012 and it will supply 455 million liters of drinking water everyday. Middle Vaitarna Dam will be the first Roller Compacted Concrete dam constructed by a Chinese company. The proposed height of the dam is 105 m and length is 530 m.