Water reclamation and reuse can help increase water supplies by treating wastewater for safe use. This process involves integrating water supply and reclaimed water functions. Key aspects include planning infrastructure, choosing treatment plant locations, ensuring treatment reliability, analyzing costs, and managing water utilities. The goal is to incorporate reclaimed water into water resource planning. Different types of water reuse, quality standards, and innovative technologies are discussed. The focus is on modern practices that transform wastewater into safe, repurified water for various uses.