Water is the most important resource for all life on Earth. Freshwater resources are being exploited by the increasing demand for drinking, manufacturing, agriculture and sanitation. The need to optimize the use of water and minimize the environmental effects of water use on the natural environment gave rise to water resource management. It is a sub-field of water cycle management which includes developing, distributing, planning and managing the water resources efficiently. The biggest concern of water resource management is the sustainability of the allocation of water-based resources. The topics included in this book on water resource management are of utmost significance and bound to provide incredible insights to readers. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included in this book. It will provide comprehensive knowledge to the readers.