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Indicator Assessment Nutrients in freshwater (CSI 020/WAT 003) - Assessment published Feb 2015
Since 2005, average nitrate concentrations in European groundwater have declined and in 2011, the mean concentration had almost returned to the 1992 level. The average nitrate concentration in European rivers declined by 0.03 milligrams per liter of nitrogen (mg N/l) (0.8%) per year over the period 1992 to 2012. The decline in nitrate concentration reflects the effect of measures to reduce agricultural inputs of nitrate, as well as improvements in wastewater treatment. Average orthophosphate concentration in European rivers has decreased markedly over the last two decades (0.003 milligrams per liter of phosphorous (mg P/l) or 2.1% per year). Also, average lake phosphorus concentration decreased over the period 1992-2012 (0.0004 mg P/l, or 0.8% per year). The decrease in phosphorus concentration reflects both improvements in wastewater treatment and the reduction of phosphorus in detergents.
Located in Data and maps Indicators Nutrients in freshwater
Daviz Visualization Lakes - total phosphorus - trend analysis
Located in Data and maps Data visualisation
Figure Percentage of classified water bodies in different river basin districts (RBDs) affected by pollution pressures, for rivers and lakes (top panel) and for coastal and transitional waters (bottom panel)
The percentage is based on total number of classified water bodies. See the indicator specification for more details.
Located in Data and maps Maps and graphs
Daviz Visualization Phosphorus concentrations in lakes (total phosphorus) between 1992 and 2011 in different geographical regions of Europe.
Located in Data and maps Data visualisation
Daviz Visualization Average concentrations of nutrients in European groundwater and surface waters (1992-2011)
Located in Data and maps Data visualisation
Daviz Visualization Phosphorus concentrations in lakes (total phosphorus) in different geographical regions of Europe.
Located in Data and maps Data visualisation
Daviz Visualization Lakes - total phosphorus - trend analysis
Located in Sandbox PeterK test
Daviz Visualization Lakes - total phosphorus
Located in Sandbox PeterK test
Data Waterbase - Lakes
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity of Europe's water resources
Located in Data and maps Datasets
Data File QA documentation
Quality control documentation briefly presents ETC/ICM and EEA activities focused on quality of Waterbase-Lakes dataset and results of these activities. In addition warning is given on the use of certain records for analytical purposes.
Located in Data and maps Waterbase - Lakes QA documentation
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100