2015-2018年江苏省张家港市游泳池水水质监测分析

Analysis on the monitoring results of swimming pool water quality in Zhangjiagang, Jiangsu, 2015-2018

目的了解张家港市游泳池水水质的卫生状况,为制定有效的控制措施提供科学依据。方法对张家港市2015-2018年游泳池水水样p H值、浑浊度、尿素、游离性余氯、菌落总数和大肠菌群6项指标进行检测,并对检测结果进行统计学分析。结果2015-2018年共检测游泳池水水样771份,总合格率为73.02%。4年合格率呈上升趋势,且差异有统计学意义(P<0.001)。不同经营类型游泳池中酒店游泳池水水质合格率最高(87.50%),其次为社区和学校游泳池水水质的合格率,分别为76.10%和72.73%,社会经营性游泳池水水质合格率最低(69.03%),差异有统计学意义(P=0.002)。p H值、浑浊度、大肠菌群、菌落总数、尿素以及游离性余氯合格率分别为100.00%、100.00%、98.57%、96.24%、86.38%、85.47%。结论张家港市游泳池水水质总体合格率不高,不合格项目主要为尿素和游离性余氯,卫生行政部门应加强对游泳场所的监督管理和分类指导。

Objective To investigate the sanitary status of swimming pool water in Zhangjiagang city,and provide a scientific evidence for formulating effective control measures.Methods Six indicators including p H value,turbidity,urea,free residual chlorine,total number of colonies and coliform of swimming pool water samples from 2015 to 2018 in Zhangjiagang city were tested,and the testing results were statistically analyzed.Results A total of 771 swimming pool water samples were tested from2015 to 2018,with a overall qualification rate of 73.02%.During the 4-year,the qualification rate showed an upward tendency,and the difference was statistically significant(P<0.001).Among different types of swimming pools,hotel swimming pools had the highest qualification rate of 87.50%,followed by community and school swimming pools,which were 76.10%and 72.73%,respectively.The qualification rate of water quality from social operating swimming pools was the lowest,which was 69.03%,and the difference in the qualification rates of the 4 types of swimming pool water quality was statistically significant(P=0.002).The qualification rates of p H value,turbidity,coliforms,total number of colonies,urea and free residual chlorine qualification were100.00%,100.00%,98.57%,96.24%,86.38%and 85.47%,respectively.Conclusion The overall qualification rate of swimming pool water quality in Zhangjiagang city is not high.The unqualified items are mainly urea and free residual chlorine.The health administrative departments should strengthen the supervision and guidance of swimming pool places.