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目的了解金牛区农村生活饮用水水质情况,为供水发展规划和农村改水工程实施提供科学依据。方法对2008-2009年金牛区农村小型供水水厂出厂水水质进行全面监测,对监测结果按照GB5749-2006进行分析和评价。结果 2009年金牛区农村生活饮用水的感官指标平均合格率为100%,一般化学指标平均合格率为89.13%,毒理学指标平均合格率为97.83%,微生物指标平均合格率为100%,消毒相关指标合格率为100%,不合格的项目主要有氟化物、总硬度、锰等;2008年金牛区农村生活饮用水的感官指标平均合格率为96%,一般化学指标平均合格率为74%,毒理学指标平均合格率为96%,微生物指标平均合格率为100%,消毒相关指标合格率为96%,不合格的项目主要有锰、总硬度、色度和游离余氯。结论金牛区农村生活饮用水水质情况较好,感官指标、微生物、毒理学指标合格率较高,一般化学指标合格率相对较低。
Objective To understand the quality of rural drinking water in Jinniu District and to provide a scientific basis for the implementation of water supply development planning and rural water diversion project. Methods The water quality of the factory water in rural small-scale water supply factory in Jinniu district during 2008-2009 was comprehensively monitored. The monitoring results were analyzed and evaluated according to GB5749-2006. Results The average passing rate of rural residents’ drinking water in Jinniu District in 2009 was 100%. The average passing rate of general chemical indicators was 89.13%. The average pass rate of toxicological indicators was 97.83%. The average pass rate of microbial indicators was 100% The qualified rate of indicators is 100%. The unqualified items mainly include fluoride, total hardness, manganese, etc .; in 2008, the average passing rate of sensory indices for rural drinking water in Jinniu District was 96%; the average passing rate of general chemical indicators was 74% The average pass rate of toxicological indicators was 96%, the average pass rate of microbial indicators was 100%, the pass rate of disinfection related indicators was 96%. The unqualified items mainly included manganese, total hardness, chroma and free residual chlorine. Conclusion The quality of rural drinking water quality in Jinniu District is better. The qualified rate of sensory, microbial and toxicological indicators is higher, and the pass rate of general chemical indicators is relatively low.