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Figure

Percentage of reported monitoring sites with pesticides exceeding thresholds in surface waters, different sized rivers, lakes and groundwater in European countries, 2013 – 2019

Figure Created 18 Nov 2021 Published 25 Jan 2022 Last modified 25 Jan 2022
1 min read
The figure shows the percentage of monitoring sites with threshold exceedances of pesticides in surface waters, different sized rivers, lakes and groundwater in European countries. This was used to examine threshold exceedances according to Surface Waters; Rivers, small; Rivers, medium; Rivers, large; Lakes, and Groundwater

European data

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information.png Methodology:

https://forum.eionet.europa.eu/nrc-eionet-freshwater/library/pesticides-water/indicator-pesticides-rivers-lakes-and-groundwater 

information.png Units:

Percentage (%) and count of rivers (latter in parentheses)

information.png Rights:
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
information.png Owners:
European Environment Agency (EEA)
information.png Figure type:
Graph

Additional information

  • n.d. = No data
  • In brackets: Total number of reported monitoring sites
  • The percentage of exceedance rates was calculated based on the number of reported monitoring sites with exceedances, divided by the total number of reported monitoring sites.
  • River size could not be assigned to all monitoring sites (so total surface waters does not equal the sum of lakes plus large, medium and small rivers). This issue mainly affects Italy and Spain.
  • The WISE Water Framework Directive database was used in the identification of river size.
  • EEA-38. Only countries for which data were available are shown.

Related content

Based on data

Data WISE Water Framework Directive Database The WISE Water Framework Directive database contains data from the 1st and 2nd River Basin Management Plans reported by EU Members States, Norway and the United Kingdom according to article 13 of the Water Framework Directive (WFD). The database includes information about surface water bodies (number and size, water body category, ecological status or potential, chemical status, significant pressures and impacts, and exemptions) and about groundwater bodies (number and size, quantitative status, chemical status, significant pressures and impacts, and exemptions). The information is presented by country, river basin district (RBD) and river basin district sub-unit (where applicable).
Data European catchments and Rivers network system (Ecrins) Version 1, Jun. 2012 - Ecrins is acronym for European catchments and Rivers network system. It is a geographical information system of the European hydrographical systems with a full topological information. Ecrins is a composite system made from the CCM developed by the JRC, Corine land Cover, WFD reporting elements, etc. It is organised from a layer of 181,071 “functional elementary catchments (FECs)” which average size is ~62 km2, fully connected with explicit identifier (ID) relationships and upstream area. Catchments are grouped as sub-basins, river basin districts (actual and functional to meet hydrographical continuity). The catchments are as well organised according to their sea shore of emptying to meet Marine Strategy delineations. Catchments are drained by 1,348,163 river segments, sorted as “main drains” (connecting together the FECs) and secondary drains (internal to a FEC). river segments mimic the natural drainage, however fulfilling the topological constraint of “0,1 or 2 upstreams, single or 0 downstream”. Each segment is populated with distance to the sea, to ease further processing. They are connected to elementary catchments and nodes documented with altitude. Segments are as well documented with a “dummy river code”, fully populated that earmark each segment with the most distant to the outlet in each drainage basin and, everywhere this has been possible, with a “true river” ID based on river naming. A layer of lakes and dams has been elaborated. Lakes polygons (70,847) are taken from Corine Land cover , WFD Art. 13 and in some cases, from CCM “water layer”. Lakes inlets and outlets are set with the segment ID and where relevant, the dams making the lake is documented. All lakes which depths and volume was found have been updated. Version 1.0 here presented still contain some topological errors (e.g. incorrect segment branching), because inaccurate geometry. They are noted and a correction procedure is underway.

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Geographic coverage

Temporal coverage

For references, please go to https://www.eea.europa.eu/data-and-maps/figures/percentage-of-reported-monitoring-sites-1 or scan the QR code.

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Filed under: pesticides, water quality
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