LAWA Groundwater Quality (Land Air Water Aotearoa)
New Zealand national groundwater quality monitoring data from over 1,000 wells (2004-2024) with state and trend results, available to explore and download via the LAWA collaborative regional-council platform.
lawa.org.nz
At a glance
- Region
- New Zealand (Oceania)
- Coverage
- National (New Zealand)
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Groundwater Quality
- Monitoring
- Time Series
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 Quality
- 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.
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.
Related water data
- GNS Geothermal and Groundwater (GGW) DatabaseOceania | Limited
- Auckland Council Environment Data PortalOceania | Free
- CAMELS-NZ: Hourly dataset for Aotearoa New ZealandOceania | Free
- Environment Canterbury Water Quality DataOceania | Free
- NIWA Hydro Web PortalOceania | Free
- Auckland Council Open DataOceania | Free
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