Performance assessment of a street-drainage bioretention system
Abstract
Event-based, flow-paced composite sampling was carried out at the inlet and outlet of a street-side bioretention facility in Seattle, Washington, to assess its ability to reduce street runoff quantity and pollutants. Over 2.5 years, 48 to 74% of the incoming runoff was lost to infiltration and evaporation. Outlet pollutant concentrations were significantly lower than those at the inlet for nearly all monitored constituents. In terms of mass, the system retained most of the incoming pollutants. Besides soluble reactive phosphorus (the mass of which possibly increased), dissolved copper was the least effectively retained; at least 58% of dissolved copper (and potentially as much as 79%) was captured by the system. Motor oil was removed most effectively, with 92 to 96% of the incoming motor oil not leaving the system. The results indicate that bioretention systems can achieve a high level of runoff retention and treatment in real-weather conditions.
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A bioretention shoulder in Seattle removed 79% copper and 86% zinc.
“A similar study by monitoring a bioretention shoulder in Seattle, Washington, consisting of washed gravel and a soil mixture, 70% sand and 30% organic compost, removed 79% of copper and 86% zinc [16].”
From Application of Biochar in Stormwater Treatment: Experimental and Modeling Investigation (2021) · cites this paper as [16]
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References 21 · Cited by 114
- Authors
- Chapman, C., & Horner, R. R.
- Affiliations
- University of Washington (US)
- Corresponding author
- Chapman, Cameron
- ORCID
- Chapman, Cameron
- Venue
- Water Environment Research
- Publisher
- Wiley
- Published
- 2010-02
- Volume
- 82
- Issue
- 2
- Pages
- 109-119
- ISSN
- 0043-1303 (ISSN-L)
- 1061-4303
- 1554-7531
- OpenAlex
- W2303610810
- Cited by
- 114
- References
- 21
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 6 · 2023: 7 · 2022: 7 · 2021: 18 · 2020: 10 · 2019: 12 · 2018: 13 · 2017: 8 · 2016: 5 · 2015: 8 · 2014: 6 · 2013: 4 · 2012: 2
- FWCI
- 2.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Water Environment Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Environmental Engineering › Urban Stormwater Management Solutions
- Physical Sciences › Environmental Science › Environmental Engineering › Urban Heat Island Mitigation
- Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
- Keywords
- bioretention, road drainage, stormwater runoff, pollutant removal, infiltration, evaporation, soluble reactive phosphorus, copper, engine oil, urban stormwater treatment
- MeSH terms
- Copper, Environmental Monitoring, Petroleum, Phosphorus, Washington, Water Movements, Water Pollutants, Water Purification
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