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目的调查“4·20”地震后芦阳镇生活饮用水微生物污染状况,保障城区饮用水安全。方法调查县自来水厂基本情况和生产情况,持续监测出厂水和末梢水水质,分析调查和监测结果。结果出厂水和末梢水的总大肠菌群合格率分别为76.00%、68.21%(χ2=0.62,P>0.05);浑浊度合格率分别为40.00%、28.92%(χ2=1.47,P>0.05)。结论水厂制水效果不好,总大肠菌群超标严重,应提高出厂水水质。
Objective To investigate the status of microbial contamination of drinking water in Luyang Town after the April 20 earthquake and to ensure the safety of drinking water in urban areas. Methods Investigate the basic conditions and production of the county waterworks, continuously monitor the water quality of the factory water and the peripheral water, and analyze the survey and monitoring results. Results The total coliform passing rate of factory water and terminal water were 76.00% and 68.21%, respectively (χ2 = 0.62, P> 0.05). The passing rates of turbidity were 40.00% and 28.92% (χ2 = 1.47, P> 0.05) . Conclusion The effect of water in the waterworks is not good, the total coliform is overweight and serious, and the quality of factory water should be improved.