NGMP - National Groundwater Monitoring Programme (data.govt.nz)
DOI-cited New Zealand groundwater quality dataset covering 110 sites across all 15 regions since 1990 - major ions, nutrients, dissolved metals and age-tracer measurements, published via the national data catalogue.
catalogue.data.govt.nz
At a glance
- Region
- New Zealand (Oceania)
- Coverage
- National
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Groundwater
- Water Quality
- Age Tracers
What you can do with it
Typical work that data of this type supports.
- 01
Trend hotspots
Find where water tables are falling year after year.
Because it has: Groundwater
- 02
Recharge planning
Site recharge structures and new borewells with evidence.
- 03
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water Quality
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Gap filling
Rebuild missing well readings from neighbours, rainfall and season.
- 02
Level forecasts
Forecast pre- and post-monsoon levels well by well.
- 03
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
Machine access and documentation
Open API
CKAN catalogue.data.govt.nz action API
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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- Auckland Council Environment Data PortalOceania | Free
- Auckland Council Open DataOceania | Free
- Environment Canterbury Open Data PortalOceania | Free
- Environment Canterbury Water Quality DataOceania | Free
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