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Scirj Volume III, Issue II, February 2015 Edition
ISSN: 2201-2796

Bioretention System as Stormwater Quality Improvement Mechanism

Norshafa Elyza Muha , Lariyah Mohd Sidek

Abstract: Stormwater Management is very challenging in Malaysia due to the intense rainfall within short durations. Stormwater may contain a broad range of pollutants such as sediments, nutrients, heavy metals and oil from impervious areas which can be released directly to waterways. Bioretention is a practical option within the measures of stormwater mitigation to increase water quality and reduce peak discharge. Universiti Tenaga Nasional (UNITEN) in collaboration with Universiti Sains, Malaysia (USM) has constructed bioretention systems near the parking lot of the College of Engineering, UNITEN. The system was designed as a small scale and impermeable mechanism with an aim to assess the performance of the bioretention system for stormwater quality improvement. Water quality result showed that the removal efficiency of Total Phosphorus (TP), Total Nitrogen (TN), Turbidity and Total Suspended Solids (TSS) reached more than 40%. In the preliminary monitoring, it was observed that the bioretention system was able to remove pollutants. This outcome is significant as there is no prior field study that was done of this scale in Malaysia. The findings can be used to enhance understanding on the application of bioretention system in tropical climate in improving water quality of stormwater runoff.

Reference this Paper: Bioretention System as Stormwater Quality Improvement Mechanism by Norshafa Elyza Muha , Lariyah Mohd Sidek published at: "Scientific Research Journal (Scirj), Volume III, Issue II, February 2015 Edition, Page 39-46 ".

Search Terms: Bioretention System, Stormwater Management, Best Management Practice, Urban Runoff

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