{"entity":{"iso2":"NL","iso3":"NLD","name":"Netherlands","slug":"netherlands"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-nitrate-concentration-in-freshwater","source":"European Environment Agency (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/average-nitrate-concentration-in-freshwater","title":"Average nitrate concentration in freshwater","unit":"milligrams per litre"},"observations":[{"date":"2004-01-01","value":26.2242},{"date":"2005-01-01","value":26.0907},{"date":"2006-01-01","value":26.3353},{"date":"2007-01-01","value":23.3416},{"date":"2008-01-01","value":18.0697},{"date":"2009-01-01","value":23.2255},{"date":"2010-01-01","value":20.4441},{"date":"2011-01-01","value":24.1499},{"date":"2012-01-01","value":24.4541},{"date":"2013-01-01","value":23.961},{"date":"2014-01-01","value":21.8028},{"date":"2015-01-01","value":23.3702},{"date":"2016-01-01","value":24.0873},{"date":"2017-01-01","value":22.0526},{"date":"2018-01-01","value":20.9384},{"date":"2019-01-01","value":19.8966},{"date":"2020-01-01","value":25.2404},{"date":"2021-01-01","value":19.5682}],"summary":{"latest_period":"2021-01-01","latest_value":19.5682,"max":26.3353,"mean":22.9585,"min":18.0697,"of":34,"rank":13,"trend":"falling"}}