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Nitrate in groundwater
This indicator refers to concentrations of nitrate (NO3) in groundwater measured as milligrams per litre (mg NO3/L). Data are taken from well samples and aggregated to annual average concentrations for groundwater bodies in Europe. Only complete series after inter/extrapolation are included. The indicator is relatively robust in presenting the overall trend in water quality, however, the distribution of measuring stations over groundwater bodies might mask exceedances of nitrate levels in certain polluted areas. The data stem from the EEA Waterbase database on the status and quality of Europe's rivers.
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Figure 7: Nitrate in groundwater, EU, 2003-2019 (mg NO3 per litre)
Compound annual growth rate (CAGR): 0.2 % per year in the period 2004–2019; 0.5 % per year in the period 2014–2019
Source: EEA (Eurostat (sdg_06_40))
Compound annual growth rate (CAGR): 0.2 % per year in the period 2004–2019; 0.5 % per year in the period 2014–2019
Source: EEA (Eurostat (sdg_06_40))
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Figure 8: Nitrate in groundwater, by country, 2014 and 2019 (mg NO3 per litre)
Source: EEA (Eurostat (sdg_06_40))
Source: EEA (Eurostat (sdg_06_40))