Yellamma Lake was constructed during the Kakatiya Regime and Dynasty. In this study we have estimated the total seventeen number of different Physico-Chemical parameters and four major groups of zooplanktons were studied. All the physico-chemical parameters are within the permissible limits. Four different major groups of zooplanktons are Rotifera, Copepoda, Cladocera and Ostracoda. The zooplankton of the selected lake mainly consists of Rotifera, Cladocera, Copepoda and Ostracoda, the total number of fifteen species were identified from the all the four orders during the present study. The total zooplankton population was dominated by Rotifera, Cladocera, Copepoda and Ostracoda respectively.   

Keywords: Yellamma Lake; Physico-Chemical; Zooplankton.