Volume 9, Number 1 (6-2016)                   ijhe 2016, 9(1): 15-26 | Back to browse issues page


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Beiki A, Yunesian M, Nabizadeh R, Saeedi R, Sori L, Abtahi M. Analytic Assessment of Microbial Water Quality in Public Swimming Pools of Tehran in 2013. ijhe. 2016; 9 (1) :15-26
URL: http://ijhe.tums.ac.ir/article-1-5596-en.html

1- Center of Environmental and Occupational Health, Ministry of Health and Medical Education, Tehran, Iran
2- Department of Environmental Health Engineering, School of Public Health and Institute of Environmental Research, Tehran University of Medical Sciences, Tehran, Iran, P.O. Box 14155-6446, Tehran, Iran , yunesian@yahoo.com
3- Department of Environmental Health Engineering, School of Public Health and Institute of Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
4- Department of Health Sciences, Faculty of Health, Safety and Environment, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5- Operation Office of Pardis Rural Water and Wastewater Company, Tehran, Iran
6- Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract:   (2575 Views)

Background and objectives: Swimming is one of the most popular sport fields and entertainments that has considerable benefits for human health, but on the other hand microbial water contamination in swimming pools through transmission and spread of infectious diseases is a significant threat against public health. In this study, microbial water quality of all public swimming pools in Tehran were assessed and effective factors on microbial water quality were analyzed.

Materials and Methods: This cross-sectional study with the analytical approach was performed in 2013. The whole public swimming pools in Tehran were inspected and water samples were taken for measurement of microbial indicators including thermotolerant coliforms, heterotrophic plate count (HPC), and physicochemical parameters affecting the microbial water quality including turbidity, free residual chlorine and pH and an integrated swimming pool microbial water quality index were used to describe the overall situation. Operational parameters with probable effects on microbial water quality were checked through inspection using a checklist.

Results: The assessment of the swimming pool microbial water quality indicated that the compliance rates of thermotolerant coliforms and HPC were 91.4 and 84.5%, respectively. Compliance rates of free residual chlorine, turbidity, Ph, and temperature were also obtained to be 82.7, 45.5, 85.6, and 65.4% respectively. Based on the integrated swimming pool microbial water quality index, the proportions of swimming pools with excellent and good microbial water quality were 39.6 and 50.4% respectively and the others had not proper microbial water quality. The parameters of water free residual chlorine and turbidity, swimmer density, water recirculation period, dilution amount, cleaning, usage rates of shower and disinfection basin and operation of water treatment systems had significant effects on the microbial indicators (P<0.05).

Conclusion: The study showed that the overall microbial water quality status of public swimming pools in Tehran was acceptable and analysis of the results determined the most efficient interventions for improvement of the microbial water quality of the pools.

Full-Text [PDF 1094 kb]   (1163 Downloads)    
Type of Study: Applicable | Subject: WATER
Received: 2015/11/14 | Accepted: 2016/03/16 | Published: 2016/06/5

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