The International Centre for Water Resources and Global Change (ICWRGC) operates the GEMStat water quality database in Koblenz, Germany, within the scope of the GEMS/Water Programme. Water quality data of ground and surface waters are made available by GEMStat.

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Data

Data request:

Request GEMStat water quality data and view parameter and station catalogues.

Data request

Statistic reports:

Retrieve aggregated statistics of GEMStat water quality data, for the spatial coverage and the aggregation level you need.

Statistic Reports

Data submission:

Read our data policy and data submission manuals and learn about how to contribute to GEMStat.

Data submission

Visualisation

Data visualisation portal:

Explore available water quality data and view statistical visualisations at different spatial scales.

Data visualisation portal

Data availability:

Access diagrams and maps about the geographic, temporal and parameter coverage of GEMStat.

Data availability

Maps:

Visualise the status of freshwater bodies worldwide by means of water quality classification maps.

Maps

Projects

Monitoring SDG indicator 6.3.2 on ambient water quality

Improving ambient water quality globally is one of the 169 ambitious targets set out in the Agenda 2030 for Sustainable Development (target 6.3). Comprehensive and up-to-date monitoring data on ambient water quality is a prerequisite to provide decision makers with the information they require to ensure the availability and sustainable management of water resources for both human uses and maintaining aquatic ecosystems. …

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