Wellington Water Open Data Portal
Wellington Water's ArcGIS open data hub publishing three-waters infrastructure, water supply network, wastewater and stormwater asset datasets for the metropolitan Wellington region.
data-wellingtonwater.opendata.arcgis.com
At a glance
- Region
- New Zealand (Oceania)
- Coverage
- Wellington Region
- Access
- Free
- Category
- Company
- Last updated
- 2025
What's inside
- Water Supply Network
- Wastewater
- Stormwater
What you can do with it
Typical work that data of this type supports.
- 01
Coverage gaps
Find who lacks safe water or sanitation.
Because it has: Water Supply Network
- 02
Benchmarking
Compare utilities on service and losses.
- 03
Investment
Prioritise where new plants and networks should go.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Failure prediction
Predict pipe bursts and plant failures before they happen.
- 02
Demand forecasts
Forecast daily demand for pumping and storage.
- 03
Document extraction
Pull numbers out of PDFs and reports automatically.
Machine access and documentation
Open API
ArcGIS Hub REST/GeoJSON feature services
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
Related water data
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- Auckland Council Open DataOceania | Free
- CAMELS-NZ: Hourly dataset for Aotearoa New ZealandOceania | Free
- Canterbury Maps Open Data - River Flow and Stage Monitoring Sites (New Zealand)Oceania | Free
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