舞阳县2009～2010年生活饮用水监测结果分析

目的了解舞阳县生活饮用水卫生状况,找出影响生活饮用水卫生合格率的主要原因,以便加强和调整监督监测重点,进一步提高生活饮用水卫生质量,保障人民群众的健康安全。方法按《生活饮用水标准检验方法》GB/T5750-2006对全县2009～2010年度135份生活饮用水资料进行分析统计。结果 2009～2010年共监测生活饮用水135份,合格103份,不合格32份,合格率为76.3%。经统计分析可知：（1）2009年与2010年年度间生活饮用水合格率差异无统计学意义（χ2=0.053,P〉0.05）;（2）城市生活饮用水合格率高于乡村（χ2=4.18,P〈0.05）;（3）夏秋季生活饮用水合格率低于冬春季（χ2=23.19,P〈0.05）;（4）主要不合格项目：色度、浑浊度、肉眼可见物、硝酸盐氮、菌落总数和大肠菌群。结论舞阳县生活饮用水合格率偏低,应加强对生活饮用水卫生的监督监测,加大政府投入,提高人民群众的卫生意识。

Analysis of the Drinking Water in Wuyang County from 2009 to 2010

Objective To investigate the hygiene situation of Wuyang county’s drinkable water and identify the factors that influence the hygiene pass rate of the drinkable water,the focus of the investigation and scrutiny will be strengthened and modified to further improve the quality of the drinkable water and protect the health of general people.Methods Analysis and reviews of 135 drinkable water surveys from 2009 to 2010 were conducted,according to the" Drinkable Water Hygiene Regulation"(2001).Results The measured samples of drinking water from 2009 to 2010were 135,103 up to grade,32 disqualification,the pass rate was 76.3%.Consequently:①There was no difference in the life tap water qualified rate between 2009and 2010.(χ2=0.053;P>0.05) ②The rate in the town centre was higher than that in the village.③The rates in summer and autumn were higher than those in winter and spring.④the main unqualified project: chromaticity,turbidity,visible to the naked eye content,nitrate nitrogen,total coliforms and colony Conclusion The pass rate of the drinkable water was rather low in Wuyang.The investigation and scrutiny of the hygiene of the drinkable water should be strengthened;the government investment should be enlarged;and the public awareness should be improved.