Vannmiljø - Norway Water Quality Database
Norwegian Environment Agency database and web application for finding measurement data on rivers, lakes and coastal waters used for water-body environmental-status classification, with search, mapping and data export including a public API and WMS service.
vannmiljo.miljodirektoratet.no
At a glance
- Region
- Norway (Europe)
- Coverage
- National
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- River water quality
- Lake water quality
- Coastal water quality
- Nutrients
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: River water quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Storage tracking
Follow storage and releases through the season.
Because it has: Lake water quality
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
Storage from space
Estimate volume from satellite water area and altimetry.
Machine access and documentation
Open API
VannMiljø export API + WMS at kart3.miljodirektoratet.no/arcgis/services/vannmiljo
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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- European Environment Agency WaterbaseEurope | Free
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- Copernicus HR Coastal Ocean ColorEurope | Free
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