An Analytic Case Study of Lentic Ecosystem and Rejuvenation of Bellandur and Varthur Lakes in Bengaluru, India

Bengaluru, the town of Kempegowda was known as city lakes till sixties decade twentieth century now transformed into pools sewage over years. The natural drainage system has been completely obliterated in name development and resulting unprecedented floods south eastern part during 2022 monsoon before. There were 612 (live well disused) present area Bengaluru (except Anekal taluka). It is observed that rejuvenation could not be succeeded because continuous inflow them. Bellandur Varthur are no exception. Public judiciary intervention put pressure on State to attempt many lakes. Despite regular monitoring works initial stages by a Committee appointed National Green Tribunal, yet completed. Treatment generated catchment Belandure Varthuru around 453.50 MLD million litter per day (MLD) against flow 553 MLD. To regulate outflow foam formation, sluice gates constructed waste wear renovated both Desilting major task among other for rejuvenation. silt removed from lake non-hazardous used farmers their fields but dumped abandoned stone quaries since being contaminated. results soil analysis have given various tables. groundwater fond non -contaminated. play role buffer zone lake.