Percentage of sampling sites in groundwater bodies where annual average concentrations exceed 50 mg/l nitrate
The numbers of groundwater bodies per country included in the presentation are given after the year. The four classes represent the percentage of sampling sites within each groundwater body where annual average nitrate concentrations exceed 50 mg NO3/l.
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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