Green Infrastructure Approaches to Control of Combined Sewer Overflows

Rajan, Rajesh; Cammarata, Marc; Smullen, James T.; Myers, Dwayne; Martens, Gary; Reynolds, Shannon K.

doi:10.1061/41009(333)111

Cited by 4 publications

(5 citation statements)

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“…Decentralized source control technology adopts decentralized facilities such as rain gardens, depressed green areas, vegetated shallow trenches, rainwater wetlands, and rainwater ponds at the source of the catchment surface to achieve the goals of peak reduction, emission reduction, and water quality purification, thereby reducing the frequency and pollution load of downstream CSOs [4][5] and intercepting more sewage and initial rainwater to the wastewater treatment plant for treatment. Tang et al [6] took an area in Beijing (catchment area of about 240 hm 2 ) as an example, and found that the implementation of source control measures delayed the onset of peak flows (by about 10 min and 5 min, respectively), significantly reduced total runoff (by about 74% and 57%, respectively) and peak flows (by about 61% and 29%, respectively), and had higher reduction efficiency for rainfall events with smaller return periods.…”

Section: Decentralized Source Controlmentioning

confidence: 99%

Study on Combined Sewer Overflow (CSO) Pollution and Its Control Method Based on Sewage Interception Along Rivers

Zhang

Lin

et al. 2023

E3S Web of Conf.

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Combined sewer overflow (CSO) pollution is the main factor that plagues the water environment in the area with combined sewer system in most cities of China. This paper analyzed CSO pollution, and reviewed the measures to solve CSO pollution and the latest research progress. The problems of traditional river interception projects were analyzed, and optimization and improvement ideas were proposed. Finally, a combined optimization scheme of source reduction-process control-end storage was proposed to control CSO pollution, which could provide reference for urban CSO pollution control in China.

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Section: Decentralized Source Controlmentioning

confidence: 99%

Study on Combined Sewer Overflow (CSO) Pollution and Its Control Method Based on Sewage Interception Along Rivers

Zhang

Lin

et al. 2023

E3S Web of Conf.

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“…Through infiltration, evapotranspiration, and detention, the goal of GI is to reduce or prevent occurrence of CSOs without having to expand the existing sewer system's conveyance capacity. Now a billion-dollar industry, GI programs in cities such as New York (NY), Philadelphia (PA), and Portland (OR) are currently underway (Kurtz 2008;Rajan et al 2009;Gunther et al 2010;McLaughlin et al 2014;Rangarajan et al 2015). New York City's (NYC) plan calls for the capture of the first ∼25 mm (i.e., 1 in.)…”

Section: Introductionmentioning

confidence: 99%

“…of street runoff over 10% of the portion of the city served by combined sewers (57 km 2 ) with GI by 2030 (Bloomberg and Strickland 2012). In Philadelphia, the spatial coverage goal is even higher and is eventually predicted to reduce CSO volumes by 70% in a typical year (Rajan et al 2009). However, due to the presence of underground infrastructure, inadequate soil infiltration capacity, and conflicts with surface features such as driveways, the space available for GI in the public right-of-way is limited and the search for GI retrofitting opportunities on other portions of the urban landscape is now quite extensive (Gunther et al 2010;Harnik and Martin 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Although pilot projects abound, to date no studies have directly investigated stormwater capture performance of GI features installed in urban parks and their performance implications (Chaffin et al 2016;Gunther et al 2010;Jennings et al 2015;Rajan et al 2009;Montalto et al 2007). The pilot parkland described in this paper was retrofitted with an engineered rain garden designed to receive and infiltrate runoff originating on streets outside the park boundary.…”

Section: Introductionmentioning

confidence: 99%

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Green Infrastructure Implementation in Urban Parks for Stormwater Management

Feldman

Foti

Montalto

2019

J. Sustainable Water Built Environ.

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A newly constructed rain garden in Shoelace Park in Bronx, New York, USA, was monitored between October 2014 and July 2015 as a pilot study aimed at testing the effectiveness of using urban park space to manage adjacent street runoff. Street inlet capture efficiency and rain garden retention were assessed through inflow and outflow monitoring and quantification. During the monitoring campaign consisting of 26 storms, the rain garden retained an average of 78% of all inflows, with full retention for storms under 10 mm (65% of monitored storms). New York City (NYC) is 72% impervious and 19.5% parkland in surface area. If only 4% of NYC parkland space were retrofitted with green infrastructure performing similarly to the Shoelace Park rain garden, the municipal goal of managing runoff from 10% of combined sewer-served impervious surfaces could be achieved, at least at the municipal scale. Additional spatial analyses are needed to determine whether potential parks are positioned ideally for stormwater capture given the variable conveyance capacities of the city's many combined sewersheds, and the desired pollutant load reductions for each of its receiving water bodies. As suitable right-of-way GI sites become rarer, parklands represent a new exciting opportunity for expanding the extent of distributed stormwater management in cities.

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“…Examples of sustainable drainage system implementation as part of a combined sewer system long-term control plan are Philadelphia (PWD, 2009;Rajan et al, 2011) andKansas City (City of Kansas City, 2009;Struck et al, 2011). In contrast, Boston, Atlanta, and Washington, DC favour 'grey' solutions (City of Atlanta, 2001;DCWSA, 2002;MWRA, 2012); however, Washington does have a pilot programme investigating sustainable drainage systems.…”

Section: Introductionmentioning

confidence: 99%

Whole Issue - Civil Engineering, Volume 167, Issue 2 (Low Res. - 6MB)

2014

Proceedings of the Institution of Civil Engineers - Civil Engin

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Green Infrastructure Approaches to Control of Combined Sewer Overflows

Cited by 4 publications

References 0 publications

Study on Combined Sewer Overflow (CSO) Pollution and Its Control Method Based on Sewage Interception Along Rivers

Study on Combined Sewer Overflow (CSO) Pollution and Its Control Method Based on Sewage Interception Along Rivers

Green Infrastructure Implementation in Urban Parks for Stormwater Management

Whole Issue - Civil Engineering, Volume 167, Issue 2 (Low Res. - 6MB)

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