International Groundwater Resources Assessment Centre (UNESCO)
Global Groundwater Information System
Global portal for groundwater information: transboundary aquifer inventories, groundwater monitoring, aquifer characteristics and groundwater governance data.
Rights
- Licence
- CC BY 4.0
- Commercial reuse
- Yes
- Redistribution
- Yes
- Derivative use
- Yes
- Attribution required
- YesData from International Groundwater Resources Assessment Centre (UNESCO), used under CC BY 4.0.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- International Groundwater Resources Assessment Centre (UNESCO)
- Geographic coverage
- Global — with emphasis on transboundary aquifers
- Update frequency
- irregular
- Formats
- geojson, shapefile, wms, csv
- Bulk download
- Available
- Registration required
- No
- Cost to Hydrionis
- Free
- Domains
- groundwater