Wastewater treatment plant site selection using GIS and multicriteria decision analysis

Muheeb Awawdeh, Zaid Al-Rousan and Khaled Alkaraki

Arab Gulf Journal of Scientific Research, 2023, vol. 42, issue 4, 1504-1517

Abstract: Purpose - Cesspits are the means for each house to dispose of wastewater in the Bani Kinanah District (BKD) of Jordan, which creates severe environmental complications. This research aimed to find a suitable site for a wastewater treatment plant (WWTP) in BKD. Design/methodology/approach - Geographic Information System (GIS)-based multicriteria decision analysis (MCDA) was used for an optimal site selection for a sewage treatment plant. Several datasets were obtained to prepare the maps of the criteria influencing the choice of the most suitable site for the WWTP. The analytic hierarchy process was used to apply the weights for each factor. Findings - Five classes of suitability were generated: 0.23% very high suitability, 8.49% high suitability, 47.12% moderate suitability, 37.67% low suitability and 6.49% very low suitability. According to Analytical Hierarchy Process (AHP) results, the elevations, slope and groundwater depth have high importance; where their weights 21%, 19% and 17%, respectively. The most suitable site for establishing a WWTP was found in the northern part of the study area, where it is characterized by relatively low elevations (−90 to −93 m), low slope (0–2.5 %), distance from groundwater level (47–82 m) and the space is sufficient for building the plant (25328 m2, 8861 m2and 8586 m2). Research limitations/implications - This research is limited by the availability of data. Practical implications - The research is invaluable for decision makers involved in urban planning. Social implications - Wastewater treatment plants are essential for communities with limited resources such as Jordan. It has also profound impacts on the surrounding environment. Originality/value - From the present study, it can be concluded that GIS is essential in urban utility establishment, like urban domestic wastewater treatment site selection. Although the study area has adequate potential areas for establishing WWTP, further assessment of flood vulnerability, wastewater amount quantification, population growth and urban expansion must be seriously considered before implementation.

Keywords: Wastewater treatment plant; Multicriteria decision analysis; Analytical hierarchy process; Geographic information system; Jordan (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:agjsrp:agjsr-09-2023-0412

DOI: 10.1108/AGJSR-09-2023-0412

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