Risk Assessment Of Groundwater Pollution In Middle JILIN Province

As the intensification of our urbanization process and industrialization process, The emissions of pollutants are increasing substantially. Because of the contaminants have not been treated timely and effectively, some contamination are spreading to the groundwater aquifers. The groundwater resources are under threat generally, with a series of environmental problems. However, due to the distribution of underground aquifers is complex and concealed; it is difficult to control once they are contaminated. Thus the most fundamental and most economic way to prevent groundwater pollution is to adopt a regional groundwater protection strategy. The important means of protecting the groundwater is vulnerability assessment and risk evaluation.In this paper, the DRASTIC method was used to analyze the vulnerability in the study area. At the same time,the industrial wastewater, domestic waste, gas stations and land-use were analyzed separately.Finally,all layers were superimposed to obtain the results of risk assessment.It provide a theoretical basis for the decision of the relevant departments.