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目的调查蓝田县农村饮水安全工程水质卫生状况,为农村饮水安全工程的管理提供科学依据。方法根据陕西省农村饮水安全工程水质卫生监测方案,从2008-2011年对蓝田县农村饮水安全工程水质进行监测。采用《生活饮用水卫生标准检验方法》(GB/T5750-2006),每年随机抽取20个监测点进行采样检测。结果监测水样320份,合格159份,合格率为49.69%。其中,枯水期合格率69.38%(111/160),丰水期合格率30.00%(48/160),枯水期合格率显著高于丰水期(x2=49.61,P<0.01)。不合格项目主要是菌落总数、大肠菌群、耐热大肠菌群。合格率分别为55.00%、70.90%、73.80%。结论微生物指标超标是导致蓝田县农村饮水安全工程水质合格率低的主要原因,降雨量等气象因素影响着蓝田县农村饮水水质卫生状况。
Objective To investigate the water hygienic status of rural drinking water safety project in Lantian County and provide a scientific basis for the management of rural drinking water safety project. Methods According to the water quality and hygiene monitoring program of rural drinking water safety project in Shaanxi Province, the water quality of rural drinking water safety project in Lantian County was monitored from 2008 to 2011. Using the “drinking water health standard test method” (GB / T5750-2006), each year randomly selected 20 monitoring points for sampling and testing. Results Monitoring 320 samples of water, 159 qualified, with a pass rate of 49.69%. Among them, the passing rate in dry season was 69.38% (111/160), the pass rate in wet season was 30.00% (48/160), the passing rate in dry season was significantly higher than that in wet season (x2 = 49.61, P <0.01). The main non-conformities of the total number of colonies, coliform bacteria, heat-resistant coliform bacteria. The pass rates were 55.00%, 70.90% and 73.80% respectively. Conclusions Exceeding of the indicators of microorganisms is the main reason of low pass rate of water quality in rural drinking water safety project in Lantian County. The meteorological factors such as rainfall affect the sanitary status of drinking water quality in rural areas in Lantian County.