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Assessing the Effectiveness of Proprietary Stormwater Treatment Devices

Matt Wilson, John S. Gulliver, Omid Mohseni and Raymond M. Hozalski (2008)
MWH; University of Minnesota; St. Anthony Falls Laboratory - Univ. of Minnesota
DOI: https://doi.org/10.14796/JWMM.R228-14
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Abstract

Proprietary underground devices are often used as stormwater treatment in dense urban areas due to tight space constraints. Most of these devices remove sediment and other debris from stormwater runoff prior to discharge into lakes, rivers, and streams via the physical separation process of sedimentation. Unfortunately, little is known about the performance of these devices in the field. Evaluation of performance using monitoring studies is problematic because: (i) natural storm events are unpredictable and not reproducible and (ii) it is difficult to obtain representative samples of suspended sediment at both the influent and effluent of the device with automatic samplers. These limitations were overcome in this research by employing a field testing approach.

For the testing, a controlled synthetic storm event containing sediment of a fixed size distribution and concentration is fed to a pre-cleaned device. The captured sediment is then removed, sieved, weighed, and the fraction of sediment captured is recorded. The objectives of this research were to: (i) investigate the feasibility and practicality of such a testing approach and (ii) evaluate the effects of sediment size and fluid flow rate on the performance of four devices from different manufacturers. The results of this work are then used to provide a revised sizing criterion that will improve the selection and sizing of these devices and their overall performance. The resulting approach, refined through field experiments, will be incorporated into a stormwater best management practice assessment document that will be used by consultants, local governments, and state agencies to assist in selecting, designing, and evaluating stormwater treatment technologies for public infrastructure improvement projects.

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PAPER INFO

Identification

CHI ref #: R228-14 822
Volume: 16
DOI: https://doi.org/10.14796/JWMM.R228-14
Cite as: CHI JWMM 2008;R228-14

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2008

Status

# reviewers: 2
Version: Final published

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© 2008 CHI. Some rights reserved.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

All papers published in the JWMM are licensed under a Creative Commons Attribution 4.0 International License (CC BY).

JWMM content can be downloaded, printed, copied, distributed, and linked-to, when providing full attribution to both the author/s and JWMM.


AUTHORS

Matt Wilson

MWH, Boston, MA, USA
ORCiD:

John S. Gulliver

University of Minnesota, Minneapolis, MN, USA
ORCiD:

Omid Mohseni

St. Anthony Falls Laboratory - Univ. of Minnesota, Minneapolis, MN, USA
ORCiD:

Raymond M. Hozalski

University of Minnesota, Minneapolis, MN, USA
ORCiD:


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