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目的 了解南通市农村饮用水水质卫生现况,为改善水质,减少水性疾病、保障人体健康提供科学依据。方法 在南通农村开展水源类型,水质消毒等调查,对水质进行抽样检测,开展水性疾病调查。结果 南通农村有75 .80 %的人口饮用地下水,输水管道漏水比例高,地表污染严重,大多数井水不进行消毒,饮水中细菌总教,大肠菌群、氨氮,亚硝酸盐氮,耗氧量超标严重。结论 南通农村居民饮用水污染严重,加强“三废”处理,改善水源周围卫生环境,增设水质消毒设施,加强输水管网卫生管理,减少水性疾病,是当前南通农村改水工作的重点。
Objective To understand the sanitary status of rural drinking water in Nantong City and provide scientific basis for improving water quality, reducing waterborne diseases and ensuring human health. Methods In the rural areas of Nantong, we conducted surveys on types of water sources and disinfection of water quality. We conducted sampling tests on water quality and carried out waterborne disease surveys. Results There were 75.80% of the population in Nantong rural areas drinking groundwater. The proportion of water leakage in water pipelines was high and the surface was polluted seriously. Most well water was not disinfected. Bacteria, coliform bacteria, ammonia nitrogen and nitrite nitrogen in drinking water Excessive oxygen serious. Conclusion Nantong rural residents drinking water pollution is serious, to strengthen the “three wastes” treatment, improve the health environment around the water, additional water quality and disinfection facilities, to strengthen the management of water pipe network to reduce water-borne diseases, is the focus of Nantong water diversion.