Although, water is an abundant resource but useful, freshwater is scarce. Therefore, there is a necessity to conserve it for this and upcoming generations. Water conservation refers to the optimum utilization of water and crafting policies, laws, regulations and rules to insure its proper use. Water management is required to meet the demand and prevent disasters like droughts. The book aims to shed light on some of the unexplored aspects of water conservation. It is compiled in such a manner, that it will provide in-depth knowledge about the theory and practice of this field. The topics covered in it offer the readers new insights about this subject. This textbook aims to serve as a resource guide for students and experts alike and contribute to the growth of the discipline.