Products
- Groundwater Resources Map of the World 1 : 25 000 000 (edition 2008)
- Groundwater Resources of the World - Transboundary Aquifer Systems 1 : 50 000 000 (special edition for the 4th World Water Forum, Mexico City, March 2006)
- Groundwater Resources of the World 1 : 50 000 000 (special edition for the 32nd International Geological Congress, Florence/Italy, August 2004)
- additional global maps for publications and presentations
- geographic information system (GIS) with supra-national, continent-wide, groundwater related data
- WHYMAP web map application with embedded World-wide Hydrogeological Map Information System (WHYMIS)
- WHYMAP web map service
The printed versions of the maps are distributed by UNESCO, CGMW and BGR, some products are available for download.