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Evaluation of an Exfiltration Trench for Treatment of Highway Storm Water Runoff

Al-Tarawnah, Ahmad M.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1367496414

Abstract Details

2013, Master of Science (MS), Ohio University, Civil Engineering (Engineering and Technology).
Exfiltration trench is one of the best management practices that Ohio Department of Transportation (ODOT) uses to treat highway storm water runoff. A 1 year study was performed on an exfiltration trench in SR550 road, Athens, OH to evaluate its performance. The exfiltration trench in this study consisted of three layers: a layer of type 3 backfill material (aggregate) at the top, a layer of type 2 backfill materials (sand) in the middle, and a layer of type 3 backfill (aggregate) at the bottom. There were three monitoring stages in this study, the original trench, the transitional period, and the reconstructed trench. The performance of the exfiltration trench was studied based on pollutant’s removals such as TSS, turbidity, COD, and oil & grease. Also, the trench capacity to treat polluted runoff volumes was evaluated. Solid materials were collected using filter fabric and plastic plate in the transitional period and reconstructed trench, respectively. Sieve analysis was conducted on the collected materials. For the reconstructed trench, the average TSS EMC removal was 71.2 %, the average turbidity EMC removal was 65.2 %, the average COD EMC removal was 13.6 %, and the average oil & grease EMC removal was 17.2 %. After correcting the full particles range of solids that were in the runoff, the device removal for TSS was 87 %. Also, the treated runoff volume percentage was estimated at 28.2%. The study showed that the trench capacity is less than what is needed to adequately treat the highway runoff.
Gayle Mitchell, Dr. (Advisor)
357 p.
Environmental Engineering
exfiltration trench; storm water runoff; Best Mangement Practices; EMC removal; TSS removal; COD removal.

Recommended Citations

Citations

  • Al-Tarawnah, A. M. (2013). Evaluation of an Exfiltration Trench for Treatment of Highway Storm Water Runoff [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1367496414

    APA Style (7th edition)

  • Al-Tarawnah, Ahmad. Evaluation of an Exfiltration Trench for Treatment of Highway Storm Water Runoff. 2013. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1367496414.

    MLA Style (8th edition)

  • Al-Tarawnah, Ahmad. "Evaluation of an Exfiltration Trench for Treatment of Highway Storm Water Runoff." Master's thesis, Ohio University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1367496414

    Chicago Manual of Style (17th edition)

ohiou1367496414
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© 2013, some rights reserved.Creative Commons License Evaluation of an Exfiltration Trench for Treatment of Highway Storm Water Runoff by Ahmad M. Al-Tarawnah is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Ohio University and OhioLINK.