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Modeling approach to evaluation of environmental impacts on river water quality: A case study with Galing River, Kuantan, Pahang, Malaysia

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  • Lee, Ingyu
  • Hwang, Hyundong
  • Lee, Jungwoo
  • Yu, Nayoung
  • Yun, Jinhuck
  • Kim, Hyunook

Abstract

One of the major issues in Kuantan, Pahang, Malaysia is the water quality of Galing River which is flowing through the area. Currently, overall water quality of the river is very poor, i.e., Class IV (based on the Malaysian water quality standards), mainly due to wastewater discharged from residential area and industries without being properly treated. Due to severe pollution, aquatic ecosystem has not been properly developed. Thus, it is being considered to construct a new wastewater treatment plant (WWTP) to prevent discharge of pollutants and to improve the river water quality. Therefore, this study was conducted to identify the pollution sources along the river and assess their impacts on the water quality. In addition, a numerical model was formulated with the Environmental Fluid Dynamic Code (EFDC) to find a best plan to improve the water quality. Through the model simulation, it was found that wastewater from all the U-drains and culverts along the river should be collected by sewer, transported to a WWTP for treatment, and then pumped to the upstream of the river for discharge. It was also found that if the WWTP would reduce pollution load by 80%, the current water quality of the river would improve by 80% to achieve Class II.

Suggested Citation

  • Lee, Ingyu & Hwang, Hyundong & Lee, Jungwoo & Yu, Nayoung & Yun, Jinhuck & Kim, Hyunook, 2017. "Modeling approach to evaluation of environmental impacts on river water quality: A case study with Galing River, Kuantan, Pahang, Malaysia," Ecological Modelling, Elsevier, vol. 353(C), pages 167-173.
    • Handle: RePEc:eee:ecomod:v:353:y:2017:i:c:p:167-173
    DOI: 10.1016/j.ecolmodel.2017.01.021
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    References listed on IDEAS

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    1. Wu, Guozheng & Xu, Zongxue, 2011. "Prediction of algal blooming using EFDC model: Case study in the Daoxiang Lake," Ecological Modelling, Elsevier, vol. 222(6), pages 1245-1252.
    2. Rashidi, Hamidreza & GhaffarianHoseini, Ali & GhaffarianHoseini, Amirhosein & Nik Sulaiman, Nik Meriam & Tookey, John & Hashim, Nur Awanis, 2015. "Application of wastewater treatment in sustainable design of green built environments: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 49(C), pages 845-856.
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    1. Bello, Al-Amin Danladi & Haniffah, Mohd Ridza Mohd, 2021. "Modelling the effects of urbanization on nutrients pollution for prospective management of a tropical watershed: A case study of Skudai River watershed," Ecological Modelling, Elsevier, vol. 459(C).
    2. Muhammad Mazhar Iqbal & Muhammad Shoaib & Hafiz Umar Farid & Jung Lyul Lee, 2018. "Assessment of Water Quality Profile Using Numerical Modeling Approach in Major Climate Classes of Asia," IJERPH, MDPI, vol. 15(10), pages 1-26, October.
    3. Mohd Khairul Amri Kamarudin & Noorjima Abd Wahab & Hafizan Juahir & Nur Ili Hasmida Mustaffa & Muhammad Hafiz Md Saad & Siti Nor Aisyah Bati & Frankie Marcus Ata, 2022. "Impact Of Wastewater On Surface Water Quality In Kenyir Lake Basin, Hulu Terengganu," Journal of Wastes and Biomass Management (JWBM), Zibeline International Publishing, vol. 4(2), pages 68-72, June.
    4. Bae, Soonyim & Seo, Dongil, 2018. "Analysis and modeling of algal blooms in the Nakdong River, Korea," Ecological Modelling, Elsevier, vol. 372(C), pages 53-63.
    5. Sinan Q. Salih & Intisar Alakili & Ufuk Beyaztas & Shamsuddin Shahid & Zaher Mundher Yaseen, 2021. "Prediction of dissolved oxygen, biochemical oxygen demand, and chemical oxygen demand using hydrometeorological variables: case study of Selangor River, Malaysia," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(5), pages 8027-8046, May.

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