overfertilization

Umwelt-Indikator

Indicator: Nitrate in groundwater

A graph shows the proportion of groundwater sampling sites where nitrate measurements for the years 2008 to 2021 were above 25 and 50 milligrams per litre. In the period covered, neither sub-indicator has shown any significant change.

The European Nitrates Directive, the Groundwater Directive and the German Groundwater and Drinking Water Ordinances require that exceedances of the limit value for nitrate of 50 milligrams per liter be prevented.Since 2008, the quality standard has been exceeded every year at almost one in six measuring points.Extensive changes to the fertilizer legislation have allowed the designation of particul... read more

Indicator: Eutrophication of the North Sea/Baltic Sea by nitrogen

A graph shows the change in concentration of total nitrogen in all the main rivers which enter the North Sea and Baltic Sea in Germany. A distinction is made between the North Sea and the Baltic Sea. The concentration value is given as the moving average of the flows of the past 5 years in milligrams per litre.

To achieve the objectives for the protection of the marine environment, Germany has committed to comply with maximum concentrations of nitrogen at estuaries.On average for all rivers, these target concentrations are already met for the North Sea, but still exceeded for the Baltic Sea.Some of the North Sea and Baltic Sea tributaries still have very high concentrations.In order to fulfil the objecti... read more

Indicator: River eutrophication by phosphorus

A graph shows the measuring points that do not comply with the orientation values for phosphorus for the years 1982 to 2021. These are divided into quality classes depending on the level of exceedance. The proportion without exceedances has increased. The proportion of medium and severe exceedances (QC IV) has fallen sharply.

Too high phosphorus concentrations are measured at more than half of all river measurement stations in Germany.The share has declined by around one third since the beginning of the 1980s. Extreme levels of pollution are very rare nowadays.Aim of the Sustainability Strategy is to meet the requirements for good status for phosphorous in all water bodies by 2030 at the latest.This requires a change i... read more

Indicator: Ecological status of transitional and coastal waters

A diagram shows the distribution of the ecological status/ecological potential of transitional and coastal waters for the North Sea and the Baltic Sea for the years 2010, 2015 and 2021. The target for 2027 is shown (100 % good or very good).

In 2021 no water body of transitional or coastal waters in the North and Baltic Seas achieved good or very good status.According to the European Water Framework Directive, by 2015 and with a deadline extension to 2027 all waters should have achieved at least a good ecological status.The time must now be used to reach the ambitious targets by 2027 at the latest.This will require considerable additi... read more

Indicator: Ecological status of rivers

A graph shows the distribution of the environmental status and potential of the rivers for the years 2015 and 2021. The target for 2027 is also shown (100 percent ‘good’ or ‘very good’). In 2021, 8 percent showed at least a good status or good potential.

In 2021 only around 8 % of German streams and rivers were in at least a good ecological status or had at least a good ecological potential.According to the European Water Framework Directive, by 2021 with a time extension to 2027 all rivers must have achieved at least a good ecological status or potential.The time up to 2027 must be used to reach these demanding targets.The measures taken to date... read more

Indicator: Ecological status of lakes

A graph shows the distribution of the environmental status and potential of the lakes for the years 2015 and 2021. The target for 2027 is also shown (100 percent ‘good’ or ‘very good’). In 2021, 24.7 percent showed at least a good status or good potential.

In 2021 24.7 % of the lakes in Germany were in at least good ecological status or showed at least a good ecological potential.According to the Water Framework Directive the target was 100 % by 2021. Now there is a deadline extension until 2027.Germany is still far from achieving this target. The timeframe until 2027 must be used to achieve these ambitious goals. read more

The Umweltbundesamt

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