Hydro-geochemical Characterization of Groundwater in vicinity of landfill was carried keeping in mind the impact of running landfill and closed landfill on groundwater quality. In this book a systematic approach was carried out to explain the application of different Multivariate and Graphical methods to characterize and evaluate the quality of groundwater in vicinity of unplanned landfills. Landfills are those areas, where most of garbage including domestic and industrial waste material was thrown out. If pretreatment of waste material was not carried out it causes multiple problems...