The biomonitoring of water quality in Bhadrakali lake Warangal, was assessed by using Odum's algal index in four sites during October 2004 to September 2005.The higest range of Odum's algal index was in between 300 to 400 with Microcystis, Nodularia, Trichodesmium, Chlamydomonas, Cladophora, Spirulina.

The productivity status of 3 aquatic systems situated near Nirup synchrome dye industry, leather industry and Kakatiya University campus were analysed during 2002-03.