The chemical, physical, radiological and biological characteristics of water are referred to as water quality. The water condition is measured in relation to the requirements of biotic species or any human need. The health of ecosystems, the safety of human contact and drinking water are some of the most common standards used to assess water quality. Research in this field focuses on the water that is treated for industrial use, human consumption and in the environment. The water quality is determined based on its usage and environmental water quality. This book provides comprehensive insights into the subject of water quality. This book will provide interesting topics for research which interested readers can take up. For all readers who are interested in this area, the case studies included in this book will serve as an excellent guide to develop a comprehensive understanding.