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The indicators are in line with the one-out-all-out-principle of the WFD: If one substance exceeds effect threshold value (in surface water) or quality standard (in groundwater) the monitoring site is classified as ‘Threshold exceedance’ or ‘Quality standard exceedance’.
Between 2013 to 2019, pesticide concentrations were reported from a total of 9 481 monitoring sites for surface waters and 13 869 for groundwater. The number of reported monitoring sites in surface waters varies between countries from less than 10 sites (CH, HU, IS, LU) to more than 1 000 sites (ES, FR, IT, PL). This variation also occurs in groundwaters, with numbers ranging from 39 sites (LT) to more than 3 000 sites in IT (and more than 1 000 sites in AT, DE, ES, and FR).
The number of reported pesticide substances in surface waters ranges from less than 10 substances (CH, DK, HU, IS, LU, NO) to more than 100 substances (CZ, DE, FR, IT). For groundwater, the lowest reported number of substances was reported from AT (6) and highest number from FR (226).
Pesticides most often causing exceedance in surface waters are the insecticides imidacloprid and malathion, and the herbicides MCPA, metolachlor and metazachlor. These substances were approved for use in plant protection products during the monitoring period. In groundwater the herbicide atrazine and its metabolites cause the most exceedances. Atrazine was not approved for use in plant protection products during the monitoring period.
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SANTE request the data be presnted and analysed for the EU-27 to make it more relevant to Green Deal, F2F, Biodiversity Strategy
“These substances were approved for use in plant protection products during the monitoring period, while imidacloprid approval has expired in 2020."
a) all measured substances (as done currently in the report)
and in addition
b) measured substances with current approval of crop protection product (active ingredient) of origin.
This would provide on the one hand a complete picture of water contamination with pesticides (assessment a), and on the other hand the part of the contamination, for which actions may still be possible and potentially needed (assessment b).
The number of reported monitoring sites in surface waters varies between countries from less than 10 sites (CH, HU, IS, LU) to more than 132 1 000 sites (ES, FR, IT, PL).“ Here, in this sentence, is exactly what we wrote about above, what is the huge difference in the number of reported places. In that case, even a weighting factor will not help ...