The Working Group on Integrated Water Resources Management (IWRM) is a specialized international policy and technical forum focused on sustainable, coordinated, and efficient management of water resources. It brings together government representatives, water experts, environmental specialists, international organizations, researchers, and other stakeholders to address challenges related to water governance and resource management.

The working group focuses on strengthening cooperation across sectors and borders, improving water governance, and supporting sustainable management of rivers, lakes, groundwater, and other water resources. Key themes include water security, transboundary waters, climate change, water quality, wastewater management, water efficiency, ecosystem protection, and integrated planning.