The assessment of physicochemical parameters of Hanga lake from Parner Tahasil of Ahmednagar District, Maharashtra State was carried out during the period January, 2010 to December, 2010. The physicochemical parameters such as Atmospheric temperature, Water temperature, pH, Electrical conductivity, Total dissolved solids, Acidity, Alkalinity, Carbon dioxide, Dissolved oxygen, Total hardness and Chloride were monitored on seasonal basis. The results revealed that the reservoir water is safe for human use and agricultural purpose.