15 of 19 culverts discharge sewage into Powai Lake
The ongoing work on Metro Line 6 on Adi Shankaracharya Marg has resulted in untreated sewage being discharged into Powai lake; there are 19 culverts on the periphery of the lake that regulate stormwater in and around the road and from the nearby Peruwadi slums and serve as the main recharge