This e-learning course on Used Water Management (UWM) provides a comprehensive introduction to the principles and practices of sustainable wastewater management. It covers the fundamentals of used water, its characteristics, value chain, and the current challenges in India. The course also explores the process of project planning, including city sanitation planning and preparation of Detailed Project Reports (DPRs). In addition, it highlights the importance of sustainability and circularity through decentralized wastewater treatment systems and the reuse of treated water. Overall, the course aims to equip learners with essential knowledge to plan, manage, and promote efficient and sustainable used water management practices.n for Course