Untreated runoff quality from roof and road surfaces in a low intensity rainfall climate

The Science of the Total Environment
F J ChartersAisling D O'Sullivan

Abstract

Sediment and heavy metals in stormwater runoff are key pollutants of urban waterways, and their presence in stormwater is driven by climatic factors such as rainfall intensity. This study describes the total suspended solids (TSS) and heavy metal concentrations found in runoff from four different urban surfaces within a residential/institutional catchment, in a climate where rainfall is typically of low intensity (<5.1mm·h(-1)). The results were compared to untreated runoff quality from a compilation of international studies. The road runoff had the highest TSS concentrations, while copper and galvanized roof runoff had the highest copper and zinc concentrations, respectively. Pollutant concentrations were found to be significantly different between surfaces; quantification and prediction of pollutant contributions from urban surfaces should thus take account of the different surface materials, instead of being aggregated into more generalized categories such as land use. The TSS and heavy metal concentrations were found to be at the low to medium end of ranges observed internationally, except for total copper and zinc concentrations generated by dissolution of copper and galvanized roofing material respectively; these concentr...Continue Reading

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Citations

Sep 30, 2016·Environmental Science and Pollution Research International·Joyce Ortiz-HernándezGabriela Vázquez-Rodríguez
Nov 20, 2016·Environmental Toxicology and Chemistry·William J LaBarreRyan E Casey
Apr 2, 2017·Environmental Science and Pollution Research International·Jianghua YuNamwiinga Babra Nkolola
Jan 15, 2018·Environmental Science and Pollution Research International·Xiao WuHua Fang
Jan 27, 2018·Environmental Science and Pollution Research International·Xiaosha ZhiZhenyao Shen
Jul 21, 2017·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Matthias BorrisMaria Viklander
Sep 28, 2017·Water Science and Technology : a Journal of the International Association on Water Pollution Research·F J ChartersA D O'Sullivan
Oct 30, 2019·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Ged MitchellJoseph Akunna
Aug 30, 2019·International Journal of Environmental Research and Public Health·Yalin SongXueyan Ye
Jun 28, 2019·Environmental Monitoring and Assessment·Jeremy T Laurin, Allison C Luengen
Jul 16, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Hongqin XueXiaodong Liu
Oct 10, 2020·The Science of the Total Environment·Frances J ChartersAisling D O'Sullivan

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