2008—2010年云南省江川县生活饮用水的卫生状况

Sanitary condition of drinking water in Jiangchuan district of Yunnan province 2008-2010

目的了解云南省江川县3年来居民生活饮用水水质安全情况,为预防控制水性疾病提供可靠依据,为政府有关部门科学决策提供技术支持。方法 3年来分别采集的3种供水方式的枯、丰水期水样,按照GB/T 5750-2006《生活饮用水标准检验方法》进行感官性状、一般化学指标、毒理指标、微生物指标、消毒指标28项和20项进行测定。结果共监测县乡集中式供水124件、农村分散式供水76件、"十一五"农村集中式供水162件,综合指标合格率分别为29.0%、19.7%、21.6%。超标率较高的是细菌学指标和消毒指标,分散式供水受污染严重。结论该县居民生活饮用水安全状况存在隐患,水源保护差,缺乏有效的消毒措施。须加强生活饮用水卫生监督管理,扩大饮水安全宣传,保证全县人民的饮水安全和身体健康。

[Objective]To learn the safe status of drinking water quality in Jiangchuan district of Yunnan province in three years,provide the reliable basis for prevention and control of water-borne disease,and offer the technical support for scientific decision-making of government departments.[Methods]In three years,the water samples of three types of water supply were collected in the wet season and dry season.According to the Standard examination methods for drinking water（GB/T 5750-2006）,28 items and 20 items of sensory characteristics,general chemical indicators,toxicological indicators,microbial indicators and sterilization indicators were tested.[Results]124 samples of county centralized water supply,76 samples of rural decentralized water supply and 162 samples of ＂eleventh five-year plan＂ rural centralized water supply were monitored,and the qualified rate of comprehensive indicators was 29.0%,19.7% and 21.6% respectively.The over standard rates of microbial indicators and sterilization indicators were high,and pollution of decentralized water supply was serious.[Conclusion]There is hidden danger of drinking water security in Jiangchuan district,the water source protection is poor,and there is a lack of effective disinfection measures.It is necessary to strengthen the supervision and management of drinking water sanitation and improve the education of drinking water safety,so as to ensure the drinking water safety and health of residents.