Urbanization, industrialization, and climate change are placing significant pressure on wastewater systems, creating an urgent need for innovative and sustainable solutions that can transform wastewater into a valuable resource. This chapter investigates smart wastewater management and resource recoveryResource recovery, which incorporates traditional treatment principles with advanced digital technologiesDigital technologies, automation, and data-driven analytics. It addresses critical issues in wastewater treatmentWastewater treatment and investigates strategies to reclaim water, nutrients, and energy, transforming wastewater from a disposal burden into a valuable resource. The chapter focuses on circular economic principles and sustainabilitySustainability, demonstrating how intelligent management can improve operational efficiency, reduce environmental impactEnvironmental impact, and promote urban resilience. Wastewater provides a forward-thinking framework for next-generation wastewater systems by combining technology, innovation, and ecological stewardship, highlighting innovative wastewater management as a critical pathway to unlocking economic, environmental, and social value in urban water management.