Stormwater Detention Reservoirs: An Opportunity for Monitoring and a Potential Site to Prevent the Spread of Urban Microplastics

Stormwater runoff carries pollutants from urban areas to rivers and has the potential to be a main contributing source of microplastics (MPs) to the ecosystem. Stormwater detention reservoirs (SDRs) differ from ponds and lakes in that SDRs retain most particulate matter and they are emptied after st...

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Bibliographic Details
Published in:Water (Basel) 2020-07, Vol.12 (7), p.1994
Main Authors: Braga Moruzzi, Rodrigo, Galileu Speranza, Lais, Tomazini da Conceição, Fabiano, Teodoro de Souza Martins, Suely, Busquets, Rosa, Cintra Campos, Luiza
Format: Article
Language:English
Subjects:
Catchment areas
Cities
Construction
Creeks & streams
Design and construction
Detention reservoirs
Environmental impact
Fibers
Floods
Fragments
Invertebrates
Microplastics
Particulate matter
Pellets
Plastic pollution
Pollutants
Polymers
Rivers
Sediments
Storm runoff
Storm water retention basins
Stormwater
Stormwater management
Stream flow
Urban areas
Urban runoff
Water pollution
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Summary:Stormwater runoff carries pollutants from urban areas to rivers and has the potential to be a main contributing source of microplastics (MPs) to the ecosystem. Stormwater detention reservoirs (SDRs) differ from ponds and lakes in that SDRs retain most particulate matter and they are emptied after storm events. This paper investigates the occurrence of MPs in the SDR of the Alto-Tietê catchment area, Itaim stream in Poá city, São Paulo, Brazil. The MPs found were classified in different categories: shapes (fragment, line/fibre, film/sheet and pellet); size (1 mm); and polymer composition. Results have shown that most of the MPs found in the samples are fragments (57%), followed by pellets (27%), fibres/lines (9%), and then films/sheets (6%). Small particles (
ISSN:2073-4441
2073-4441
DOI:10.3390/w12071994