The present paper deals with the study of physico-chemical parameters and to calculate Water Quality Index of Kulgardhi dam from July,2011 to June,2013. For the calculation of Water Quality Index, nine water quality parameters were taken (pH, TDS, Calcium hardness, Total hardness, Alkalinity, DO, BOD, COD and Nitrate). The result shows that water quality of dam is good and acceptable for human's consumption and fish culture.