Abstract
Rapid industrialization and urbanization are the hall-marks of open economy. However, these developments commonly result in unplanned growth of cities and industrial hubs that deliver enormous quantities of solid and other wastes. Disposal of solid wastes in the outskirts and all available sites has been observed to be a major problem associated with unplanned growth of cities. Areas near such disposal sites are therefore prone to groundwater contamination due to leachate emerging from the site. The risk of groundwater contamination due to waste disposal can be assessed either by the experimental determination of the impurities or by estimation through solute transport modeling. Solute transport modeling is a powerful tool to study the dynamic response of an aquifer against quantitative and qualitative changes in the aquifer system. This chapter describes the assessment of the level of groundwater contamination around a solid waste disposal site in Chennai, India. A GIS integrated three dimensional model was generated using FEFLOW to simulate the contaminant concentration around the solid waste disposal site. From the model, the future spatial and temporal distribution of contaminants around the waste disposal site is predicted.
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