目的了解北京市延庆县农村饮用水水质现状,为农村生活饮用水管理提供科学依据。方法依据《2009年北京农村饮水水质卫生监测技术方案》在全县范围内随机选取65个集中式供水点,分别在枯水期、丰水期采集出厂水和末梢水进行水质监测。结果影响延庆县农村饮用水水质的因素为微生物指标,枯水期水质合格率为33.3%,丰水期水质合格率为29.6%,差异无统计学意义(χ2=0.17,P>0.05)。出厂水、末梢水合格率均为31.5%。枯水期出厂水合格率为29.6%,末梢水合格率为37.0%,差异无统计学意义(χ2=0.33,P>0.05)。丰水期出厂水合格率为33.3%,末梢水合格率为25.9%,差异无统计学意义(χ2=0.36,P>0.05)。枯水期、丰水期微生物指标合格率均为33.3%。结论延庆县农村饮用水卫生状况不容乐观,需进一步完善农村改水和对饮用水的消毒工作,有关部门应加强宣传和监测力度。 Objective To understand the present situation of rural drinking water quality in Yanqing County, Beijing, and to provide a scientific basis for rural drinking water management. Methods According to “2009 Beijing rural drinking water sanitary monitoring technical program” in the county-wide selection of 65 centralized water supply points, respectively, in dry season, wet season of factory water and peripheral water collected water quality monitoring. Results The factors affecting the quality of drinking water in rural areas in Yanqing were microbial indicators. The passing rate of water quality in dry season was 33.3% and the passing rate of water quality in wet season was 29.6%. There was no significant difference (χ2 = 0.17, P> 0.05). Factory water, the final qualified rate of water are 31.5%. The passing rate of factory water in dry season was 29.6%, the qualified rate of peripheral water was 37.0%, there was no significant difference (χ2 = 0.33, P> 0.05). In the wet season, the passing rate of factory water was 33.3% and the qualified rate of peripheral water was 25.9%, with no significant difference (χ2 = 0.36, P> 0.05). Dry season, wet season microbial indicators pass rate of 33.3%. Conclusion The hygiene status of rural drinking water in Yanqing County is not optimistic. It is necessary to further improve rural water supply and disinfection of drinking water. Relevant departments should step up publicity and monitoring efforts.