Coliform Bacteria Contamination in Chlorine-treated Swimming Pool Sports Complex

Carolyn Payus and Imelda Geoffrey and Khairul Amrie and Alvin Oliver (2018) Coliform Bacteria Contamination in Chlorine-treated Swimming Pool Sports Complex. Asian Journal of Scientific Research, 11 (4). pp. 560-567. ISSN 1992-1454

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Background and Objective: Sufficient amount of chlorine is needed to be maintained in the pool as not only the adult go for swimming but also children with more sensitive skin. This study was conducted to determine the presence of coliform group of bacteria which involved faecal coliform and Escherichia coli as microbial indicators for water quality contamination in the Sports Complex swimming pool water that is treated with chlorine disinfectant. Materials and Methods: Identification of faecal coliform and Escherichia coli were done through Membrane Filtration Method from APHA standard. The amount of free chlorine content in the swimming pool were also analyzed using HACH Spectrophotometer in order to relate the reactions of the supplied free chlorine towards the number of the microbial colonies inside the swimming pool. Results: The result shows that the outdoor swimming pool has a higher concentration for both faecal coliform and Escherichia coli compare to the indoor swimming pool and the highest concentration of faecal coliform can reached 266±64.65 CFU 100 mLG1 and Escherichia coli up to 113±57.40 CFU 100 mLG1 . This showed that coliform bacteria still presence in the swimming pool at the sports complex although it has been treated with chlorine disinfectant. In a meantime, for the free chlorine content it showed that the average concentration in outdoor pool were recorded lower at 0.492±0.531 mg LG1 which was way below the minimum limit 1.0 mg LG1 of the permissible NSPF standard, whereas indoor pool were recorded at 1.069±0.585 mg LG1 . Conclusion: The microbial presence and chlorine content in indoor swimming pool can be said more hygienic and cleaner to swim compare to the outdoor.

Item Type: Article
Keyword: Coliform bacteria, faecal coliform, Escherichia coli, free chlorine, HACH spectrophotometer, membrane filter method, swimming pool, water quality
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Department: FACULTY > Faculty of Science and Natural Resources
Date Deposited: 30 Oct 2019 07:42
Last Modified: 30 Oct 2019 07:42

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