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Download discharge data with just a few mouse clicks

The GRDC Data Portal and its web services are currently out of service due to technical issues.

Please contact if you have any questions.

River discharge time serie are given in:

  • GRDC Export format (ASCII text),
  • WaterML2 format (XML, standard exchange format for hydrological time-series),
  • ZRXP exchange format (ASCII text, used between WISKI Systems).,
  • NetCDF (binary format).

Primary values and long-term statistics are given in GRDC Statistics format (ASCII text). Watershed boundaries of GRDC Stations are provided as GeoJSON files.

With data download you accept Terms of Use, Data Protection Regulation and Data Sharing Conditions of the GRDC.

GRDC very much appreciates if your study results are made available for the GRDC, as well as publications that result from the use of the data set or parts thereof. GRDC offers to publish your project report in the GRDC report series under your name if your study is of general interest.

In case of extremely high demand, the download system could be temporarily overloaded and some difficulties could arise.

Due to technical reasons, it may take a few minutes before the data are available on the server. Please try again later. If the problem persists, please contact GRDC.

If you have difficulties accessing the GRDC Data Download please send your data request with an explanatory summary of your research project (one page) and a list of stations of interest to the GRDC (

This service is published by the German Federal Institute of Hydrology (BfG). Disclaimer, Terms and Conditions of the BfG apply.

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