Abstract:Present pollution condition of karst groundwater in DawuHutian water source area has been introduced in this paper. Groundwater pollution showed the following characteristics: karst groundwater inorganic component content growth in general, including sulfate, nitrate, degree of mineralization has increased. Groundwater organic pollution is mainly showed as high halogenated hydrocarbon detection rate. According to current situation, from the perspective of the characteristics of groundwater pollution, countermeasures for water pollution prevention and control are put forward.