Some 64% is cropland, 15% forest, 14% grassland and ~5% urban/industrial area. Nevertheless, as reported, this range of measures needs to be improved and other measures also need to be introduced. In Hungary, groundwater abstraction regulation is used and effective; water use efficiency measures, monitoring, public awareness, protection zones and wastewater treatment and data exchange need to be improved; and vulnerability mapping, regional flow modeling, good agricultural practices, integration with river basin management, and arsenic treatment or import of arsenic free water are needed.