Indicator: Nitrate in groundwater

A graph shows the proportion of groundwater sampling sites where nitrate measurements for the years 2008 to 2022 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

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