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The hydrology department carries out hydrological monitoring, analyses, generalises, stores and disseminates collected monitoring data, prepares hydrological forecasts and performs civil engineering calculations.


The national hydrometric network includes 100 permanent monitoring stations located on rivers, lakes, marshes and the coastal sea. Automatic monitoring stations measure water levels, water temperature, precipitation and air temperature. The monitoring stations forward the data online to the website of the state’s weather service (

The Estonian hydrometric network forwards historical data as well as operative hydrological information to an international data exchange network. The hydrology department represents Estonia in the work of WMO’s Commission for Hydrology and the Nordic Association for Hydrology.

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Last updated: 29 September 2016

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