Assessment of ground water quality of rural parts of kapadwanj .Its physio-chemical analysis such as temperature , pH, biological oxygen demand, total dissolved solids, chloride, total alkalinity, calcium and magnesium hardness, sulphate, phosphate, nitrate of ground water was carried out from twenty sampling stations of rural parts of Kapadwanj region are during the February- 2012 and July - 2012 in order to assess water quality index.