2010—2013年句容市生活饮用水水质监测结果

Monitoring results of drinking water quality in Jurong City from 2010-2013

目的了解句容市生活饮用水水质卫生状况,为进一步改善水质质量提供科学依据。方法按照GB 5750-2006《生活饮用水卫生标准检验方法》要求进行采样检测,按照GB 5749-2006《生活饮用水卫生标准》进行评价。结果 2010—2013年共检测水样2 883份,总合格率为51.47%。各年度合格率分别为32.56%、38.27%、77.76%、83.11%,年度间差异有统计学意义(χ2=564.946,P<0.01)。出厂水合格率为56.84%,末梢水合格率为48.89%。市政供水、乡镇供水、区域供水的合格率分别为93.72%、36.62%、81.20%,市政水厂、区域供水合格率均高于乡镇水厂。结论句容市农村生活饮用水合格率较低,建议加强农村集中式供水的制水规法,卫生管理,加强供水管道的管理,继续推进区域供水,保证饮用水安全。

[ Objective] To understand the quality of drinking water in Jurong, provide a scientific basis for improving water quality. [Methods]According to GB/T 5750-2006 ＂Standard examination method for drinking water＂, the water samples were detected. /kraal aeeordng to GB/T 5749-2006 ＂Hygienic Standard for drinking water＂, the results were evaluated. [ Results ] A total of 2 883 water samples were detected from 2010-2013, the total qualified rate was 51.47%, while annual qualified rates were 32.56%, 38.27%. 77.76% and 83.11% , respectively, the difference was statistically significant （ χ2 =564. 946, P 〈0.01 ）. The qualified rates of finished water and tap water were 56.84% and 48.89%, respectively. The qualified rates of municipal water, town- ship water and regional water were 93.72% , 36.62% and 81.20% , respectively. The qualified rates of municipal water and regional water were higher than that of township water. [ Conclusion] The qualified rate of rural drinking water in Jurong is lower. It is suggested to strengthen the norm and health management of rural concentrated water supply, the management of water pipe, promote regional water supply, ensure the safety of drinking water.