Geospatial data analysis and Modelling for water quality management deals with spatial data mapping and modelling technology, concepts, step by step processing of preparation different types of spatial data maps and relevant terminology which are necessary for a beginner to develop his skills in this new advanced technology. This book provides the basic principles and techniques of spatial data, data analysis techniques, attribute data management, GIS data integration & linkage of Spatial data and Attribute data. Image interpretation methods and key elements of image interpretation techniques are discussed in detail. The author of this book developed a methodology to spatial data modelling based on GIS concepts using Remote sensing data, topographical data, field data and other collateral data, which can be referred for various modelling applications to solve societal problems and support decision makers.