2017~2019年长春市农村集中式供水水质监测结果分析

Monitoring Results of Rural Centralized Water Supply in Changchun From 2017 to 2019

目的系统了解长春市农村生活饮用水的卫生状况,为加强饮用水安全管理工作提供依据和技术支持。方法对2017~2019年长春市各类农村集中式供水进行卫生监测和评价。结果 2017~2019年长春市各类农村集中式供水总合格率79.11%。3年合格率分别为81.71%、79.22%、76.58%,3年合格率无统计学差异(x^2=4.1445,P>0.05)。出厂水、末梢水及学校供水间合格率差异无统计学意义(x^2=3.5373,P>0.05)。结论长春市农村集中式供水水质总体与2012年相比有较大提升,但应加强监管,进一步改善水质。

Objective To systematically understand the sanitary condition of drinking water in rural areas of Changchun city,and to provide basis and technical support for strengthening the management of drinking water safety.Methods The sanitary monitoring and evaluation of drinking water in changchun from 2017 to 2019 were carried out.Results The total qualified rate of drinking water in changchun from 2017 to 2019 was 79.11%.The 3-year pass rate was 81.71%,79.22% and 76.58%,respectively,with no statistical difference (x^2=4.1445,P>0.05).There was no significant difference in the pass rate between factory water,terminal water and school water supply (x^2=3.5373,P>0.05).Conclusion The overall drinking water quality in rural areas of Changchun has been greatly improved compared with that in 2012,but supervision should be strengthened to further improve the water quality.