GNS Geothermal and Groundwater (GGW) Database
Earth Sciences New Zealand (GNS Science) database storing hydrological, geochemical, geological and geophysical groundwater data from 1,500+ NZ sites, including the National Groundwater Monitoring Programme; accessible via web interface.
gns.cri.nz
At a glance
- Region
- New Zealand (Oceania)
- Coverage
- National (New Zealand)
- Access
- Limited
- Category
- Research Institute
- Last updated
- 2025
What's inside
- Groundwater Quality
- Hydrochemistry
- Monitoring
- Geology
What you can do with it
Typical work that data of this type supports.
- 01
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Groundwater Quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Trend hotspots
Find where water tables are falling year after year.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
- 02
Anomaly alerts
Catch sudden spikes in sensor or lab data automatically.
- 03
Gap filling
Rebuild missing well readings from neighbours, rainfall and season.
Related water data
- LAWA Groundwater Quality (Land Air Water Aotearoa)Oceania | Free
- Auckland Council Environment Data PortalOceania | Free
- Environment Canterbury Water Quality DataOceania | Free
- Geoscience Australia eCat - Groundwater Hydrochemistry CollectionOceania | Free
- NIWA Hydro Web PortalOceania | Free
- Auckland Council Open DataOceania | Free
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