Priority Area 4 (PA4) “Maintain and restore the quality of waters” mainly supports the activities – the Safeguard Europe’s Water Resources, assistance in implementation of the EU Water Framework Directive and the Urban Waste Water Treatment Directive, improvement of fish migration,  promotion of measures addressing agricultural pollution, facilitation of sub-basin activities, assistance in project generation, partnership search, networking and dissemination. Furthermore, it deepens synergies with water protection organizations, such as ICPDR and the Sava Commission.

The work of PA4 has been supported via the Danube Strategy Poinnt (DSP) Fund in 2015-2016.