This project is to investigate nitrate contamination in groundwater on a global scale by reviewing, integrating and analysing the available information and data. An overview of the current state of nitrate pollution will be provided in the form of groundwater vulnerability maps.
This study provides information on the occurrence of nitrate contamination in groundwater. Furthermore, it gives insights in the sources and negative effects of nitrate contamination. In addition, the study also gives a broad overview of possible technical, scientific, managerial and institutional method that effectively reduce and mitigate the risk of groundwater nitrate contamination. A global transboundary aquifer pollution vulnerability map is presented based on the GOD method. A global overview of groundwater nitrate contamination level is shown by GIS maps and regional maps.