Monitoring procedures of groundwater quality parameters around mines and landfills are facing two major problems: First, they are labor intensive and expensive; and second, the sampling data are sparse and include too many parameters. Therefore, the site characterization schemes should be optimized. This research is mainly concerned with groundwater resources characterization. The data involved are either continuously monitored multi-parametric water quality measurements from piezometric wells or come from direct push penetrometric sampling. The data collected are spatially referenced since...