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.