This book explores all the important aspects of water quality engineering in the present day scenario. It is an emerging field which studies the varied characteristics and processes of water. This book will provide interesting topics for research which interested readers can take up. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. This book is a compilation of topics that not only deals with water quality engineering but provide a detailed and comprehensive analysis of the multiple branches related to it. Scientists and students actively engaged in this field will find this book full of crucial and unexplored concepts.