alexa Non-agricultural sources of groundwater nitrate: a review and case study.


Journal of Environmental Analytical Chemistry

Author(s): Wakida FT, Lerner DN, Wakida FT, Lerner DN

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Abstract Nitrate is often seen as an agricultural pollutant of groundwater and so is expected to be at higher concentrations in the groundwaters surrounding a city than in those beneath it. However the difference between rural and urban nitrate concentrations is often small, due to the non-agricultural sources of nitrogen that are concentrated in cities. This paper illustrates the source and significance of non-agricultural nitrogen for groundwater and presents a case study of nitrate loading in the city of Nottingham. Major sources of nitrogen in urban aquifers are related to wastewater disposal (on-site systems and leaky sewers), solid waste disposal (landfills and waste tips). The major sources of nitrogen in the Nottingham area are mains leakage and contaminated land with approximately 38\% each of a total load of 21 kg N ha(-1) year(-1). This article was published in Water Res and referenced in Journal of Environmental Analytical Chemistry

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