自贡市大安区2010-2014年农村学校自备饮用水监测结果分析  

The Monitoring of Drinking Water Quality in Daan District Rural Schools,2010-2014

作　　者：刘利 何文勋 蔡雪艳 吕琴 

机构地区：[1]自贡市大安区疾病预防控制中心,四川自贡643010

出　　处：《职业卫生与病伤》2016年第4期230-233,共4页Occupational Health and Damage

摘　　要：目的了解自贡市大安区农村学校自备饮用水水质卫生现状,对2010年-2014年农村学校饮水监测结果进行分析,为提高农村学校饮水卫生质量提供科学依据。方法按照《生活饮用水卫生标准》（GB 5749-2006）、（GB/T 5750-2006）中有关规定进行采样、检测和评价。结果 5年共检测农村学校自备饮用水392份,合格224份,总合格率为57.14%;不合格指标主要为细菌总数、总大肠菌群、耐热总大肠菌群,不合格率分别为21.17%、29.18%和21.43%,枯水期和丰水期水样合格率分别为58.67%、55.61%,差异无统计学意义（χ^2=0.184,P〉0.05）,2010-2014年水样合格率分别为45.69%、51.14%、61.63%、62.86%和68.33%,呈逐年上升趋势（χ^2=12.776,P〈0.05）。结论大安区农村学校自备水水质合格率较低,学校自备水的水质不容乐观,存在学校饮用水安全隐患。Objective To understand the quality of self- provided water in rural- school of Da＇an district and provide a scientific evidence for improving the safety of drinking water. Methods The process of sampling,testing and evaluation were carried out following the standard of Drinking Water Health Standards（ GB 5749- 2006 and GB /T 5750- 2006）. Results Over the past 5 years,there were 392 water samples test from rural school. There were 224 samples met the standard（ qualified rate 57. 14%）. The failure indicators were plate- count bacteria（ 21. 17%）,total coliforms（ 29. 18%） and thermotolerantcoliform bacteriaare（ 21. 43%）. The qualified rate in dry period and wet period were 58. 67% and 55. 61%,which was no significant difference（ χ^2= 0. 184,P = 0. 387）. It showed a upward trend of qualified rate from2010 to 2014,（ χ^2= 12. 776,P = 0. 012）. Conclusion The qualified rate of self- provided samples was low in Da＇an district rural school. It is obvious safety risk of drinking water in these schools.

关 键 词：农村学校 自备水 合格率 

分 类 号：R123[医药卫生—环境卫生学]