Environmental engineering studies the causes and impacts of environmental factors which negatively affect living organisms. It also delves deep into the activities leading to the deterioration of the present quality of the environment. This book is a valuable compilation of topics, ranging from the basic to the most complex advancements in this field. The text strives to shed light on the varied applications and techniques used by the environmental engineers to combat water pollution like municipal water supply, industrial waste water treatment, etc. It will serve as an invaluable source of information for those seeking in-depth knowledge about the relationship between water resources and environmental engineering. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject. It is a resource guide for experts as well as students.