"Designing an Efficient Water Pricing Policy" is a specialized book that addresses the crucial role of pricing for water resources. It examines how an efficient and equitable allocation of water among various users and applications can be achieved. The book highlights the need to set water prices that reflect the true value of water in order to avoid overuse and promote the conservation of this precious resource. In many cases, however, water is offered at a price that is below its actual value, leading to excessive demand. This work provides valuable insights into the challenges and opportunities of water pricing policy and is an important resource for professionals and decision-makers in the fields of water management and environmental management.