Analysis on water hygiene status and influencing factors of swimming pools in Ma'anshan City

Abstract

Abstract: Objective To understand the water hygiene status of swimming places in Ma'anshan and its influencing factors,so as to provide reference for improving the water hygiene status of swimming pools. Methods From June 2020 to September 2022,eight independently operated swimming pools,swimming pools in seven gyms,and swimming pools in five star rated hotels in Ma'anshan were selected as the investigation sites,and the self-made investigation and monitoring table of water hygiene status of swimming pools was used to carry out the risk factor investigation. According to the national standard method,the total number of colonies,coliform bacteria,free residual chlorine,turbidity,pH value and urea in the swimming pool water were detected. Results Among 109 water samples sampled from 20 swimming places,55 water samples were qualified,with a total qualified rate of 50.46%. The water sample qualification rates of swimming pools in fitness venues,independent swimming venues and star hotels were 9.09%,55.74% and 73.08%,respectively,with statistically significant differences（χ²=21.06,P<0.05）. Compared with swimming pools in fitness venues,the qualified rates of water quality in independent swimming pools and swimming pools in star rated hotels increased by 7.43（95%CI：1.14-48.55） times and 12.46（95%CI：1.36-113.87） times,respectively. The qualified rate of water quality in places with average water depth ≥1.5 m was 21.49（95%CI：4.50-102.60） times that of places with average water depth <1.5 m. The qualified rate of water quality in places with average passenger flow ≥100 people was 0.12（95%CI：0.02-0.64） times that of places with average passenger flow <100 people. Conclusion The qualified rate of swimming pool water quality in Ma'anshan City is low,especially the swimming pool in fitness venues. Strengthening the sanitary supervision and management of swimming pools and improving the sanitary facilities of places are important links to ensure the qualified rate of water quality.

Key words: Health supervision, Swimming pool, Influencing factors, Water quality qualification rate

CLC Number:

R126.4

CHEN Fang, LIU Yang, WANG Jianqing. Analysis on water hygiene status and influencing factors of swimming pools in Ma'anshan City. [J]OCCUPATION AND HEALTH, 2023, 39(20): 2867-2871.

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