Contribution of different sources to the pollution of wet weather flows in combined sewers

Gromaire, Marie-Christine; Garnaud, S.; Saad, Mohamed; Chebbo, Ghassan

doi:10.1016/s0043-1354(00)00261-x

Cited by 204 publications

(100 citation statements)

References 12 publications

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“…Solutes clustering in R1 (Cd, Cu, Zn and V) are associated with rooftops, as well as industrial, commercial and road land uses (Chebbo and Gromaire, 2004;Davis et al, 2001;Gromaire et al, 2001;Pitt et al, 1995;Tiefenthaler et al, 2008;Van Metre and Mahler, 2003). We expected the highest concentrations of R1 solutes in catchments with high commercial land uses, road density and imperviousness.…”

Section: Runoff Quality Responsesmentioning

confidence: 90%

Land cover controls on summer discharge and runoff solution chemistry of semi-arid urban catchments

Gallo

Brooks

Lohse

et al. 2013

Journal of Hydrology

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cover controls on summer discharge and runoff solution chemistry of semi-arid urban catchments" (2013 Recharge of urban runoff to groundwater as a stormwater management practice has gained importance in semi-arid regions where water resources are scarce and urban centers are growing. Despite this trend, the importance of land cover in controlling semi-arid catchment runoff quantity and quality remains unclear. Here we address the question: How do land cover characteristics control the amount and quality of storm runoff in semi-arid urban catchments? We monitored summertime runoff quantity and quality from five catchments dominated by distinct urban land uses: low, medium, and high density residential, mixed use, and commercial. Increasing urban land cover increased runoff duration and the likelihood that a rainfall event would result in runoff, but did not increase the time to peak discharge of episodic runoff. The effect of urban land cover on hydrologic responses was tightly coupled to the magnitude of rainfall. At distinct rainfall thresholds, roads, percent impervious cover and the stormwater drainage network controlled runoff frequency, runoff depth and runoff ratios. Contrary to initial expectations, runoff quality did not vary in repose to impervious cover or land use. We identified four major mechanisms controlling runoff quality: (1) variable solute sourcing due to land use heterogeneity and above ground catchment connectivity; (2) the spatial extent of pervious and biogeochemically active areas; (3) the efficiency of overland flow and runoff mobilization; and (4) solute flushing and dilution. Our study highlights the importance of the stormwater drainage systems characteristics in controlling urban runoff quantity and quality; and suggests that enhanced wetting and in-stream processes may control solute sourcing and retention. Finally, we suggest that the characteristics of the stormwater drainage system should be integrated into stormwater management approaches.

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Section: Runoff Quality Responsesmentioning

confidence: 90%

Land cover controls on summer discharge and runoff solution chemistry of semi-arid urban catchments

Gallo

Brooks

Lohse

et al. 2013

Journal of Hydrology

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“…There is a fundamental need to identify the main sources of suspended solids and associated pollutants in storm runoff from urban areas and to develop management strategies for receiving waters. The re-suspension of sediments in the combined sewer systems plays an important role in transport of storm runoff pollution (Chebbo et al , 2003Gromaire et al 2001). However, little was known about the transport paths doi: 10.2166/wst.2008.274 and sources of suspended solids in storm runoff from urban areas because of the limitation of study methods.…”

Section: Introductionmentioning

confidence: 99%

An investigation on suspended solids sources in urban stormwater runoff using 7Be and 210 Pb as tracers

Yin

2008

Water Science and Technology

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“…-le ruissellement des eaux de pluie sur les sols urbains ou les surfaces imperméabilisées (voiries, trottoirs, parkings), emportant les particules accumulées par temps sec (GROMAIRE et al, 2000). Ces particules ont des provenances multiples (BURTON et PITT, 2001;CHOCAT, 1997;GROMAIRE et al, 2001) (AHYERRE et al,. 2000;GROMAIRE et al, 2001).…”

Section: Rutpunclassified

“…Ces particules ont des provenances multiples (BURTON et PITT, 2001;CHOCAT, 1997;GROMAIRE et al, 2001) (AHYERRE et al,. 2000;GROMAIRE et al, 2001).…”

Section: Rutpunclassified

Impacts des rejets urbains de temps de pluie (RUTP) sur les milieux aquatiques : État des connaissances

Parent-Raoult

Boisson

2007

rseau

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En milieu urbain, les flux générés par la pluie peuvent transporter vers les hydrosystèmes une partie des éléments polluants accumulés par temps sec et issus des diverses activités humaines. Ces flux polluants sont qualifiés de « rejets urbains par temps de pluie » (RUTP). Les études menées depuis les années 1960 ont permis d’identifier le problème en évaluant l’origine des polluants, les ordres de grandeur des concentrations et les flux émis. Les RUTP présentent un caractère épisodique, mais peuvent avoir des effets de nature chronique, liés à la répétition des phénomènes. Ils peuvent altérer les différentes composantes des milieux récepteurs : composantes physiques (e.g. modification des écoulements, de la morphodynamique), chimiques (e.g. apports de matières en suspension, fertilisants, micropolluants), biologiques (e.g. sélection des espèces, toxicité, bio-accumulation) et l’hydrosystème dans sa globalité (e.g. eutrophisation). L’intégration d’une caractérisation biologique dans l’évaluation des impacts est reconnue depuis peu, et il existe relativement peu de travaux prenant en compte cette composante. La complexité des rejets (e.g. caractère intermittent, variabilité spatio-temporelle) et la diversité des milieux récepteurs font qu’il est difficile de dresser un bilan exact des impacts. Une approche intégrée, ou holistique, est aujourd’hui préconisée prenant en compte : des descripteurs physico-chimiques, des critères de qualité du milieu (eau et sédiments), de l’habitat, du régime hydraulique, des communautés biologiques autochtones, et des données toxicologiques. Toutefois, une telle approche est difficile à mettre en oeuvre et les travaux s’appuient généralement sur des approches plus simples : études de laboratoire ou de terrain ou combinant les deux.Urbanization greatly disturbs different ecosystems and particularly affects aquatic ecosystems during wet weather. Runoff can transport some of the pollutants accumulated during dry weather towards aquatic ecosystems along with the waste produced by numerous human activities (transport, industry, etc.). These flows of pollution, commonly called «urban wet weather flows», not only affect the physical, chemical and biological properties of receiving aquatic systems, but also modify the intended use of the water. The need to provide a solution to this problem explains the current increase in the number of studies devoted to the environmental impact of urban storm water.Urban wet weather flow studies began in the 1960’s and have permitted the assessment of the sources of pollutants, the order of magnitude of their concentrations and their loads produced. Urban storm-water pollutants are numerous and are of various origins: sewer system cleansing (scoured particles deposited during dry weather); rain wash-out of atmospheric gases and dusts (nitrogen oxides, carbon monoxide, sulphur dioxide, hydrocarbon vapours, trace metals, aerosols, etc.); rainfall on roofs (copper, zinc, lead); and rain runoff from urban areas and waterproofed surfaces, which are covered with...

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Contribution of different sources to the pollution of wet weather flows in combined sewers

Cited by 204 publications

References 12 publications

Land cover controls on summer discharge and runoff solution chemistry of semi-arid urban catchments

Land cover controls on summer discharge and runoff solution chemistry of semi-arid urban catchments

An investigation on suspended solids sources in urban stormwater runoff using 7Be and 210 Pb as tracers

Impacts des rejets urbains de temps de pluie (RUTP) sur les milieux aquatiques : État des connaissances

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