Information Management System (IMS) of the groundwater component of the Transboundary Waters Assessment Programme (TWAP)
The Information Management System (IMS) of the groundwater component of the Transboundary Waters Assessment Programme (TWAP) provides aggregated information for 199 selected transboundary aquifers (mainly aquifers larger than 5000 km2) and for 43 Small Island Developing States (SIDS).
Access the IMS: https://www.un-igrac.org/ggis/transboundary-aquifers-twap-project