All water data sources
FreeRegionalEurope

European Water Information System

EU water data and reporting

water.europa.eu

At a glance

Region
Europe
Coverage
EU member states
Access
Free
Category
Regional
Last updated
2024

What's inside

  • Water Quality
  • River Basins
  • Flood Data

Terms explained

What you can do with it

Typical work that data of this type supports.

  1. 01

    Hotspots and trends

    Find where contamination is high and whether it is getting worse.

    Because it has: Water Quality

  2. 02

    Compliance checks

    Compare samples against drinking water and discharge standards.

  3. 03

    Hazard maps

    Map flood-prone areas and who and what is exposed.

    Because it has: Flood Data

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Risk maps

    Predict contamination where no samples exist, from geology, land use and climate.

  2. 02

    Anomaly alerts

    Catch sudden spikes in sensor or lab data automatically.

  3. 03

    Flood extent from SAR

    Segment flooded areas in radar imagery, even through cloud.

Machine access and documentation

Open API

WISE / water.europa.eu WFS/WMS services

Licence: EU open data

Listed in our registry of open water APIs, which WaterDataGPT can query live.

Find more water data

Search and compare 1,900+ water data sources by region, type and access.