A traditional first flush assessment of E. coli in urban stormwater runoff

Water Science and Technology : a Journal of the International Association on Water Pollution Research
D T McCarthy

Abstract

The behaviour of microorganisms in urban stormwater should be thoroughly investigated and understood to (a) design treatment technologies that can reduce the human health risks of utilising stormwater and (b) develop models which can accurately predict the levels of microorganisms in urban stormwater to aid in health risk assessments. A crucial part of understanding the behaviour of pollutants in urban stormwater is to determine whether the pollutant experiences higher levels in certain portions of the event (e.g. does the pollutant experience a first flush?). The aim of this paper is twofold: (a) determine if the first flush phenomenon exists for a commonly used microbial indicator, Escherichia coli, and (b) determine whether the presence of a first flush is dependent on antecedent climatic and/or hydrologic characteristics. E. coli data collected from the wet weather flows of four urban catchments in Melbourne was used in the paper. Cumulative mass versus volume curves were used in conjunction with standard statistical inferences to determine that the first flush phenomenon was not consistently present, and that the presence and magnitude of a first flush varied considerably between each site. Regression analyses were used to...Continue Reading

Citations

Nov 26, 2013·Environmental Science and Pollution Research International·Françoise S LucasJean-Marie Mouchel
Oct 4, 2015·International Journal of Hygiene and Environmental Health·Katharina TonderaJohannes Pinnekamp
Feb 27, 2010·Water Research·Peter M BachAna Deletic
Apr 9, 2016·The Science of the Total Environment·J M HathawayD T McCarthy
Dec 17, 2014·The Science of the Total Environment·Isabelle Jalliffier-VerneSarah Dorner
Oct 30, 2016·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Kun ZhangYang Zhao
Oct 6, 2018·Environmental Science. Processes & Impacts·Xiaoshu HouZhenyao Shen
May 3, 2016·Journal of Environmental Quality·Cristiane Q SurbeckAlexandra M Cooper
Dec 5, 2019·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Christiane SchreiberThomas Kistemann
Jun 17, 2020·PloS One·Alexandra BastaraudRonan Jambou
Jan 1, 2018·Water Research·Ze MengDavid McCarthy
Dec 7, 2021·Water Environment Research : a Research Publication of the Water Environment Federation·Erika OlsonJack Norland

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