With societal development

wastes exist in industry

agriculture and human life. In particular

a large volume of urban industrial sewage is discharged and pesticides and fertilizers are widely used

leading to groundwater pollution in many areas. Based on a water quality model of hydrodynamic dispersion and the multielement balance (MEB) method

a general program for simulating groundwater flow and quality is carried out using the program VC++ for visual presentation. Using this program in a case study

the transportation mechanism of groundwater flow and quality is simulated numerically. The result indicates that the program is visual and can be manipulated well. It offers a point of reference for the reasonable exploitation

protection and utilization of the groundwater.