Systematic Evaluation of Pollutant Removal by Urban Wet Detention Ponds

Wu, Jy S.; Holman, Robert; Dorney, John R.

doi:10.1061/(asce)0733-9372(1996)122:11(983)

Cited by 76 publications

(41 citation statements)

References 2 publications

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“…Pond A fell far short of the 50-percent goal (19 percent efficiency), although it still removed more total phosphorus mass (3.3 kg) than Pond C (2.0 kg). While the 50 percent removal rate has been established by statute, there is little precedent in the published literature; the results of this study are consistent with most others studies (Walker 1987, Maristany 1993, Kantrowitz and Woodham 1995, Gain 1996, Stanley 1996, Wu et al 1996.…”

Section: Discussionsupporting

confidence: 90%

“…The larger a pond is in relation to the area it drains, the better it performs at removing pollutants (Driscoll 1986b). Support for this can be found by looking at percent removal versus the size of a pond in relation to its catchment area (Wu 1996). In this study the permanent pool surface area of Pond A in relation to its basin (1%) is one fifth that of Pond C (5%), which is probably a major contributor to the removal efficiencies being consistently poorer than for Pond C.…”

Section: Discussionmentioning

confidence: 60%

“…Another study in Florida reported a pond efficiency for removal of total phosphorus of 21 to 30 percent (Gain 1996). A study of two ponds in North Carolina showed average removal efficiencies of 45 and 36 percent (Wu et al 1996).…”

Section: Introductionmentioning

confidence: 99%

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Storm Water Pollutant Removal by Two Wet Ponds in Bellevue, Washington

2000

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Two wet detention ponds were investigated for their ability to remove pollutants, primarily phosphorus, from stormwater runoff. The two ponds lie within the Phantom Lake watershed, a sub-basin of the Lake Sammamish watershed in Bellevue, Washington, which is developed as a commercial and residential area with impervious surface area as high as 57%. There are design differences between the two ponds, yet both are comparable to design recommendations set forth by local agencies. One pond was built for flow attenuation and water quality treatment; the other serves only to improve water quality. Fifteen storms and two baseflows were successfully sampled during the Northwest's wet season from October 1996 through March 1997. Pollutant removals varied between a fifth to a half for phosphorus, and greater than half for total suspended solids and most of the analyzed metals. Removal efficiencies were consistently better in the pond designed primarily for water quality.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 60%

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Storm Water Pollutant Removal by Two Wet Ponds in Bellevue, Washington

2000

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“…Pollutant removal efficiencies of up to 90% have been reported for such ponds (e.g. Wu et al 1996). Removal of P has also been documented, but the release of N in the form of ammonia from the sediments to the water column may also take place (Hvitved-Jacobsen et al 1984).…”

Section: Road-deposited Sediment Gully Pots and Stormwater Pondsmentioning

confidence: 99%

Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

2009

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Background, aim and scope Over 50% of the global population live in urban centres and, therefore, an understanding of the processes acting upon urban systems is a global issue. The nature of human-made, often impervious, land surfaces and heavily engineered waterways results in hydrological and sedimentological systems in urbanised basins which contrast significantly to those within more natural (i.e. pristine, forested, agricultural) aquatic systems. In addition, the abundance of contamination sources in urban systems results in chemical pressures often manifested as high pollution concentrations or loadings, which in turn have detrimental impacts on human and ecosystem health. These lead to management and sustainability issues not generally encountered in more natural environments. The purpose of this review is to provide a state-of-the-art assessment of sediment sources, pathways and storage within urban river systems, to consider sediment management within urban systems and river basins, and examine the role of local and global environmental changes on sediment processes and management. Inevitably, much of the sediment that is transported within urbanised basins is contaminated, so this review also considers sedimentcontaminant sources and interactions. Conclusions and recommendationsWe reach a number of conclusions and recommendations for future research. There is a need for better sampling and monitoring of sediment and sediment-associated contaminant fluxes and cycling in urban river channels and basins. This should include better techniques and studies to identify sources and transfers of road-deposited sediment (RDS), airborne particulate matter and sediments in the river system. Greater interdisciplinary research, combining sedimentologists, hydrologists, urban planners, urban archaeologists, chemists and biologists, is needed. More attention needs to focus on upscaling and connecting urban areas to the rest of the river basin, both upstream and downstream. Finally, there is a need to balance multiple needs (urban population, water resources) with likely trends in both urban development and global environmental change.Keywords Contaminants . River basin . Sediment . Sediment management . Urban . Urbanisation Background, aim and scopeAt the time of writing, over 50% of the global population live in urban centres, with this value set to increase (UNFPA 2007). Thus, for example, about 80% of the UK population live in conurbations, and even in a large, relatively unpopulated country such as Canada about 70% of the population live in urban areas. In addition, the number of 'mega-cities' (those cities with a population of greater than 10 million) is also increasing, particularly in the developing world: China, India and South America. Therefore, an understanding of the processes acting upon

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“…These pollutants are recognized as nonpoint-source pollutants and can be a threat to the receiving water ecosystems (Pettersson, 1997;Wu et al, 1998). Detention ponds have been found to be cost-effective means of improving the water quality of stormwater runoff (Wu et al, 1996;Mallin et al, 2002). There are three types of detention ponds: wet, dry, and dual-purpose.…”

Section: Introductionmentioning

confidence: 99%

Efficiency and Flow Regime of a Highway Stormwater Detention Pond in Washington, USA

Hossain

Alam

Yonge

et al. 2005

Water Air Soil Pollut

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Wet detention ponds are a preferable alternative in treating stormwater runoff. Literature suggests that a detention pond's efficiency in removing principal pollutants of concern, TSS and metals, is highly variable and is affected by a complex array of factors including its geographic location. The objective of this paper was to investigate the TSS and metal removal efficiency of a highway stormwater detention pond in Spokane, Washington along with its flow regime. Pond influent and effluent data for TSS and metal were collected for approximately two years. TSS removal by the pond was found to be 68.1-99.4% with an average of 83.9%. Average metal removal efficiency was 54.7-64.6% which is 72.5-86.9% of the TSS removal. The pond's flow regime was found to vary with its changing surface topography, a result of sedimentation of suspended solids.

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Systematic Evaluation of Pollutant Removal by Urban Wet Detention Ponds

Cited by 76 publications

References 2 publications

Storm Water Pollutant Removal by Two Wet Ponds in Bellevue, Washington

Storm Water Pollutant Removal by Two Wet Ponds in Bellevue, Washington

Sediments in urban river basins: a review of sediment–contaminant dynamics in an environmental system conditioned by human activities

Efficiency and Flow Regime of a Highway Stormwater Detention Pond in Washington, USA

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