3. Methodology:
A GIS software package ArcGIS 9.0 and Arc-GIS
geospatial analyst and 3D analyst extension were used
to map, query, and analyze the data in this study for the
assessment of groundwater quality. The paper map of
the city has a 1:25,000 scale and was digitized to UTM
coordinate system by applying the on-screen digitizing
method.