Ecological status is an assessment of the quality of the structure and functioning of surface water ecosystems. It shows the influence of pressures (e.g. pollution and habitat degradation) on the identified quality elements. Ecological status is determined for each of the freshwater surface water bodies (rivers and lakes), based on biological quality elements and supported by physico-chemical and hydromorphological quality elements.

The overall ecological status classification for a water body is determined, according to the ‘one out, all out’ principle, by the element with the worst status out of all the biological and supporting quality elements.

The proposed dashboards provide overview of the different results related to ecological status.