Water is essential for the sustenance of all life on earth. There has been an increased exploitation of water resources for sanitation, drinking, manufacturing, agriculture and also leisure. This has resulted in the immediate need of management of water resources by planning and managing their optimum use. A significant focus of water resource management is in the minimization of the environmental impact of water use. A successful water management practice involves an understanding of the available resources, its demands and current usage. Some of the methods of water management include sustainable agricultural practices, managing urban and industrial demand of water and adopting measures of contamination reduction and treatment, etc. This book provides extensive information about the innovative concepts and theories related to water management. It studies, analyzes and upholds the pillars of water management and its utmost significance in modern times. Students, researchers, engineers, environmentalists, experts and all associated with this field will benefit alike from this book.