The Inventory of Shared Water Resources in Western Asia is the first UN-led effort to comprehensively assess the state and evolution of transboundary surface and groundwater resources in the Middle East.

Developed in close consultation with ESCWA member countries, the inventory boasts 9 surface water and 17 groundwater chapters that systematically address hydrology, hydrogeology, water resources development and use, international water agreements and transboundary water management efforts.