This report contains an analysis of the hydrological data received by the CEMS Hydrological Data Collection Centre (HDCC) for the year 2019. The HDCC is contracted by the European Commission and operated by the Agencia de Medio Ambiente y Agua de Andalucía-REDIAM in collaboration with Soologic Technological Solutions S.L. The HDCC is responsible for the collection, quality control, harmonisation and internal distribution of hydrological observations to various components of the Copernicus Emergency Management Service (CEMS), mostly to the European Flood Awareness System (EFAS).

By the end of 2019, 43 data providers contributed with near real-time hydrological data at 1,792 stations to the CEMS Hydrological Data Collection, covering 31 countries and 49% of all the European water basins.