2012年某市游泳场所水质监测结果分析

郭艳; 何伦发; 黄隽

2012年某市游泳场所水质监测结果分析

Monitoring Water Quality of Swimming Pools in a City in 2012

摘要

摘要:
目的了解某市游泳场所的卫生状况, 为改善游泳场所卫生条件、防控介水传染病提供依据。
方法 2012年选择某市监测的游泳场所为研究对象, 监测项目包括pH值、浑浊度、尿素、大肠菌群、细菌总数、游离余氯。
结果浑浊度、大肠菌群、pH值、细菌总数、尿素和游离余氯的合格率分别为100%、98.90%、98.56%、91.24%、90.23%和85.10%;酒店配套的游泳场所游离余氯合格率最低(74.63%), 经营性场所的尿素合格率最低(85.05%); 儿童泳池游离余氯的合格率显著低于成人池(χ²=3.991、P=0.046);游离余氯和细菌总数7、8月份的合格率显著低于4、5月份(χ²=27.848, P=0.000;χ²=15.081, P=0.002);游离余氯与浑浊度、pH值、尿素、细菌总数和大肠菌群均呈显著负相关(P < 0.01)。
结论游离余氯是影响泳池水卫生质量的重要因素, 需加强重点时段游泳场所的卫生管理, 确保游泳者的身体健康。

Abstract:
Objectives To investigate the water quality of swimming pools in a city in 2012, so as to improve sanitation and prevent water-born infectious disease effectively.
Methods The items selected for monitoring the quality of water in swimming pools were pH, turbidity, carbamide, coliform group, total bacterial counts, and free residual chlorine.
Results The qualified rate of turbidity, coliform group, pH, total bacterial counts, carbamide, free residual chlorine was 100%, 98.90%, 98.56%, 91.24%, 90.23% and 85.10%, respectively. The qualified rate of free residual chlorine in the water from swimming pools affiliated to hotels was the lowest (74.63%), and the qualified rate of carbamide in operational swimming pools was the lowest (85.05%). The qualified rate of free residual chlorine in children's pools was distinctly lower than that in adult's pools (χ²=3.991, P=0.046).The qualified rate of free residual chlorine and total bacterial counts in July and August was distinctly lower than that in May and June (χ²=27.848, P=0.000; χ²=15.081, P=0.002). There was a negative correlation between free residual chlorine and turbidity, pH, carbamide, coliform group, and total bacterial counts (P < 0.01.
Conclusions The amount of free residual chlorine was an important factor affecting the sanitation of swimming pool.It is necessary to strengthen the management of swimming pool in focus months for ensuring the health of swimmers.

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