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A decade of monitoring micropollutants in urban wet-weather flows: What did we learn?

Mutzner, Lena ; Furrer, Viviane; Castebrunet, Hélène; Dittmer, Ulrich; Fuchs, Stephan 1; Gernjak, Wolfgang; Gromaire, Marie-Christine; Matzinger, Andreas; Mikkelsen, Peter Steen; Selbig, William R.; Vezzaro, Luca
1 Institut für Wasser und Gewässerentwicklung (IWG), Karlsruher Institut für Technologie (KIT)

Abstract:

Urban wet-weather discharges from combined sewer overflows (CSO) and stormwater outlets (SWO) are a potential pathway for micropollutants (trace contaminants) to surface waters, posing a threat to the environment and possible water reuse applications. Despite large efforts to monitor micropollutants in the last decade, the gained information is still limited and scattered. In a metastudy we performed a data-driven analysis of measurements collected at 77 sites (683 events, 297 detected micropollutants) over the last decade to investigate which micropollutants are most relevant in terms of 1) occurrence and 2) potential risk for the aquatic environment, 3) estimate the minimum number of data to be collected in monitoring studies to reliably obtain concentration estimates, and 4) provide recommendations for future monitoring campaigns. We highlight micropollutants to be prioritized due to their high occurrence and critical concentration levels compared to environmental quality standards. These top-listed micropollutants include contaminants from all chemical classes (pesticides, heavy metals, polycyclic aromatic hydrocarbons, personal care products, pharmaceuticals, and industrial and household chemicals). ... mehr


Verlagsausgabe §
DOI: 10.5445/IR/1000152030
Veröffentlicht am 27.10.2022
Originalveröffentlichung
DOI: 10.1016/j.watres.2022.118968
Scopus
Zitationen: 27
Web of Science
Zitationen: 25
Dimensions
Zitationen: 28
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Wasser und Gewässerentwicklung (IWG)
Publikationstyp Zeitschriftenaufsatz
Publikationsdatum 01.09.2022
Sprache Englisch
Identifikator ISSN: 0043-1354
KITopen-ID: 1000152030
Erschienen in Water Research
Verlag Elsevier
Band 223
Seiten Art.-Nr.: 118968
Vorab online veröffentlicht am 09.08.2022
Schlagwörter Trace contaminants, Stormwater outlets, Combined sewer overflow, Sampling, Data-driven analysis, Metastudy, Heavy metals
Nachgewiesen in Scopus
Dimensions
Web of Science
Globale Ziele für nachhaltige Entwicklung Ziel 6 – Sauberes Wasser und Sanitär-EinrichtungenZiel 11 – Nachhaltige Städte und Gemeinden
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