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Directive 91/676/EEC of 12 December 1991, known as the Nitrates Directive, aims to protect water quality by preventing pollution of groundwater and surface water by nitrates of agricultural origin, in particular by promoting the use of good agricultural practices for the management of nitrogen. Its guidance is largely reflected in the Water Framework Directive (WFD) 2000/60/EC of 23 October 2000. It requires Member States to: • carry out monitoring campaigns for nitrate concentrations in aquatic environments (surface and groundwater) at least every four years; • designate specific protection zones affected or threatened by pollution caused by nitrates of agricultural origin, known as vulnerable zones; • drawing up action programmes, the measures of which must be applied by farmers operating in vulnerable areas; • establish good agricultural practices (nitrogen fertilisation, land management) to be implemented voluntarily by farmers. In France, the implementation of the Nitrates Directive began in 1992 with the first monitoring campaign: nitrate concentrations are then measured at approximately 3,000 sites (so-called "measuring stations") located in or near agricultural areas. The results make it possible to establish the first delimitation of vulnerable zones in 1997. Five other campaigns followed (1997-1998, 2000-2001, 2004-2005, 2010-2011 and 2014-2015). En complément de ces campagnes spécifiques menées au titre de la directive « nitrates », et afin de mieux suivre l’évolution de la qualité de l’eau vis-à-vis de ce paramètre, le ministère en charge de l’environnement, l'Office national de l'eau et des milieux aquatiques (Onema) et l’Office International de l’Eau (OIEau) réalisent chaque année depuis 2006, un document de synthèse sur les résultats des mesures de concentrations en nitrates produites dans le cadre du programme national de la surveillance des milieux aquatiques (contrôle de surveillance, contrôle opérationnel, réseaux complémentaires), en application de la DCE. Les stations de mesure sélectionnées pour étudier l’évolution des concentrations dans les zones soumises à des pressions agricoles sont alors celles qui sont communes avec la dernière campagne menée au titre de la directive « nitrates ». This dataset corresponds to the results of the national monitoring programme, carried out under the WFD, of the stations selected during the 2014-15 nitrate monitoring campaign, for the period from 01/10/2014 to 30/09/2015, for surface waters.

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Name	Format	Description	Link
	0		https://www.data.gouv.fr/api/1/datasets/r/0d947de0-da30-4580-a142-1d769ed5e475
	0		https://tabular-api.data.gouv.fr/api/

Concentrations of nitrates of agricultural origin - 2014/2015 - Surface water - whole France

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