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目的了解二起集中式供水污染的原因,以减少此类事故的发生。方法现场调查和实验室检查。结果二起污染事故均为水质有异臭,第一起为1.9Km长的输水管道内的螺蛳等水生生物缺氧死亡所致,第二起为水源水受淀粉加工厂排出的废水渗漏引起。结论其共同点为:水质有异臭;均为用户投诉;水厂的自检机构未能及时发现问题,反映其工作责任心不强;有应急措施,事故发生后能积极应对,未影响民众的生活。
Objective To understand the reasons for the two centralized water supply pollution in order to reduce the occurrence of such accidents. Methods Field investigations and laboratory tests. Results The two pollution accidents were caused by the different water odors. The first one was caused by the hypoxia death of aquatic organisms such as snails in the 1.9km long water transmission pipelines. The second was the water leakage caused by the wastewater discharge from the starch processing plant . Conclusions The common denominators are as follows: water quality has different smell; both are user complaints; waterworks self-inspection agencies failed to detect problems in time, reflecting their work responsibility is not strong; there are emergency measures, the accident can take a positive response, did not affect the public life.