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目的:分析了解柳州市农村生活饮用水水质状况及变化趋势,为提高柳州市农村饮用水水质及卫生防护提供科学依据。方法:依据GB/T5750-2006和GB5749-2006对每份水样的感官性状、一般化学指标、物理指标、毒理学指标、微生物学指标及消毒副产物等进行检测及分析与评价。结果:共检测水样247份,总合格率为80.16%,合格率由2008年的73.21%提高至2011年的87.14%;枯水期、丰水期超标率的差异有统计学意义,说明饮用水卫生质量逐年提高。结论:应加强柳州市农村生活饮用水的卫生管理工作,确保农村居民饮水安全。
OBJECTIVE: To analyze and understand the status and trend of rural drinking water quality in Liuzhou City, and provide scientific basis for improving drinking water quality and health protection in rural areas of Liuzhou City. Methods: According to GB / T5750-2006 and GB5749-2006, the sensory traits, general chemical indexes, physical indexes, toxicological indexes, microbiological indexes and disinfection by-products of each water sample were tested and analyzed. Results: A total of 247 water samples were tested with a total pass rate of 80.16%. The pass rate increased from 73.21% in 2008 to 87.14% in 2011. The difference between the excess water rates in dry season and wet season was statistically significant, indicating that drinking water hygiene Quality is increasing year by year. Conclusion: The sanitary management of rural drinking water in rural Liuzhou should be strengthened to ensure the safety of rural residents drinking water.