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Indicator Assessment Nutrients in freshwater
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
Data Visualization Ecological status or potential of rivers and lakes
Located in Data and maps Data visualisations
Press Release Troff document Water quality excellent at most of Europe's bathing sites
The water at Europe's beaches, rivers and lakes was generally of high quality in 2013, with 95 % of these sites meeting minimum requirements. Coastal sites performed slightly better than inland bathing waters, the data shows.
Located in Media News
Figure Ecoregions for rivers and lakes
Located in Data and maps Maps and graphs
Figure Phosphorous levels in the water of large mountain lakes in Switzerland
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Located in Data and maps Maps and graphs
Figure Ecological status or potential of lake water bodies in different Member States (a), and proportion of lake water bodies affected by diffuse pollution and hydromorphology pressures (b)
The graphs illustrate the ecological status of lake water bodies (a) and percentage of lake water bodies affected by diffuse pollution and hydromorphology pressures
Located in Data and maps Maps and graphs
Figure OpenDocument Spreadsheet Template Regional coincidence of some environmental pressures and impacts (hot spots)
Located in Data and maps Maps and graphs
Indicator Assessment chemical/x-pdb Ecological status or potential
More than half of the surface water bodies in Europe are reported to be in less than good ecological status or potential, and will need mitigation and/or restoration measures to meet the WFD objective.  River water bodies and transitional waters are reported to have worse ecological status or potential than water bodies in lakes and coastal waters.
Located in Data and maps Indicators Ecological status or potential
Highlight Blue-green algae - check the water before you swim
Most beaches, lakes and rivers in Europe were clean and healthy last year. But water quality can be affected by many unforeseen factors, including sewage, agricultural waste and algae. The European Environment Agency (EEA) recommends checking local water quality information before you jump in.
Located in News
Data Visualization Lakes - total phosphorus - trend analysis
Located in Sandbox PeterK test
European Environment Agency (EEA)
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Denmark
Phone: +45 3336 7100