Agriculture and environment are among others the most important priorities of the European Union. Agriculture is strongly influenced by the state of the environment, including water resources. In addition to many other policies, the EU water policy is crucial for the sustainable development of rural areas. Directives are the main tools for implementation of water policy. This article contains an overview of the directives on aspects of quality and quantity of water resources. Within the paper three most important agricultural areas of the Directive are characterized: the Water Framework Directive, the Floods Directive and the Nitrates Directive. Presented mandatory EU action aimed at their implementation and the problems associated with it. Current proposals for changes in the EU water policy are described.