The project FIT4REUSE will provide safe, sustainable and accepted ways of water supply for the Mediterranean basin by exploiting non-conventional water resources. Treated wastewater and desalinated water can contribute to compensate the gap between agricultural water demand and supply and provide consistently high quality water throughout the year. FIT4REUSE will focus on innovative, sustainable and safe treatment technologies, and on the use of treated wastewater and desalinated water in agriculture and for aquifer recharge. Also, specific methodological and assessment tools will be created to meet the project objectives.Particularly, FIT4REUSE concentrates on the development of innovative, sustainable and low-cost technologies for: 1. Municipal wastewater treatment2. Desalination 3. Brine treatment and disposalFIT4REUSE will address both direct and indirect use of non-conventional water resources providing guidelines and perform a holistic assessment of the use of non-conventional water resources to improve public and legal acceptance of treated wastewater.Finally, FIT4REUSE will create a specific methodological framework for impact assessment and multi-stakeholder platform that will exploit the results and improve perception of non-conventional water resources.