Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England

Diffuse groundwater pollution by agricultural land-use practices is a major international problem. The evolution of the problem in two similar areas of Northern Europe, highly dependent on groundwater for public water supply and arable agriculture for economic production, is reviewed over decades th...

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Main Authors: Stephen Foster, Troels Kaergaard Bjerre
Format: Article
Language:English
Published: IWA Publishing 2023-02-01
Series:Water Quality Research Journal
Subjects:
Online Access:http://wqrjc.iwaponline.com/content/58/1/14
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author Stephen Foster
Troels Kaergaard Bjerre
author_facet Stephen Foster
Troels Kaergaard Bjerre
author_sort Stephen Foster
collection DOAJ
description Diffuse groundwater pollution by agricultural land-use practices is a major international problem. The evolution of the problem in two similar areas of Northern Europe, highly dependent on groundwater for public water supply and arable agriculture for economic production, is reviewed over decades through reference to some exceptionally long-term monitoring data. In Denmark, the greatest concern has been with excessive concentrations of pesticides and their metabolites but significant nitrate problems have also been experienced in some areas. In Eastern England, rising groundwater nitrate concentrations constituted the greater problem but pesticide issues also had to be confronted. An in-depth assessment of the approaches available to water utilities for addressing the problem is provided, contrasting treatment solutions, which have major implications for carbon footprint, with land-use controls, to eliminate or reduce nitrate and pesticide leaching, in groundwater source catchment areas. HIGHLIGHTS Evolution of diffuse groundwater pollution by agricultural land-use in Northern Europe.; Rising nitrate and pesticide concentrations faced by water utilities.; Water-quality management by source mixing and treatment.; Groundwater protection through land-use change.; Relationship of management measures to EU-WFD and EU-GWD.;
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spelling doaj.art-ab1b711ce8e9459b90bff234a78c3a3c2024-04-20T07:17:07ZengIWA PublishingWater Quality Research Journal2709-80442709-80522023-02-01581142110.2166/wqrj.2022.022022Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern EnglandStephen Foster0Troels Kaergaard Bjerre1 University College London, London, UK VCS-Denmark, Odense, Denmark Diffuse groundwater pollution by agricultural land-use practices is a major international problem. The evolution of the problem in two similar areas of Northern Europe, highly dependent on groundwater for public water supply and arable agriculture for economic production, is reviewed over decades through reference to some exceptionally long-term monitoring data. In Denmark, the greatest concern has been with excessive concentrations of pesticides and their metabolites but significant nitrate problems have also been experienced in some areas. In Eastern England, rising groundwater nitrate concentrations constituted the greater problem but pesticide issues also had to be confronted. An in-depth assessment of the approaches available to water utilities for addressing the problem is provided, contrasting treatment solutions, which have major implications for carbon footprint, with land-use controls, to eliminate or reduce nitrate and pesticide leaching, in groundwater source catchment areas. HIGHLIGHTS Evolution of diffuse groundwater pollution by agricultural land-use in Northern Europe.; Rising nitrate and pesticide concentrations faced by water utilities.; Water-quality management by source mixing and treatment.; Groundwater protection through land-use change.; Relationship of management measures to EU-WFD and EU-GWD.;http://wqrjc.iwaponline.com/content/58/1/14denmark and eastern englanddiffuse agricultural groundwater pollutionend-of-the-pipe treatment solutionsgroundwater nitrates and pesticidesland-use management
spellingShingle Stephen Foster
Troels Kaergaard Bjerre
Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
Water Quality Research Journal
denmark and eastern england
diffuse agricultural groundwater pollution
end-of-the-pipe treatment solutions
groundwater nitrates and pesticides
land-use management
title Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
title_full Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
title_fullStr Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
title_full_unstemmed Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
title_short Diffuse agricultural pollution of groundwater: addressing impacts in Denmark and Eastern England
title_sort diffuse agricultural pollution of groundwater addressing impacts in denmark and eastern england
topic denmark and eastern england
diffuse agricultural groundwater pollution
end-of-the-pipe treatment solutions
groundwater nitrates and pesticides
land-use management
url http://wqrjc.iwaponline.com/content/58/1/14
work_keys_str_mv AT stephenfoster diffuseagriculturalpollutionofgroundwateraddressingimpactsindenmarkandeasternengland
AT troelskaergaardbjerre diffuseagriculturalpollutionofgroundwateraddressingimpactsindenmarkandeasternengland