平远县2010~生活饮用水水质监测结果分析

时间:2022-09-28 07:54:51

平远县2010~生活饮用水水质监测结果分析

[摘要] 目的 了解平远县生活饮用水卫生状况,为居民饮用水安全提供保证。方法 对平远县2010~2012年生活饮用水水质进行监测,按《生活饮用水标准检验方法》进行检验操作,分析本地区饮用水质合格情况。 结果 2010~2012年3年共监测794份水样,单项检测显示总硬度、氯化物、铅、砷、硝酸盐合格率为100%。总大肠菌群超标最为严重,合格率仅为32.11%,其次为浑浊度,合格率为72.50%,pH合格率为83.42%,细菌总数合格率为88.66%。结论 平远县生活饮用水细菌总数、总大肠菌群超标,说明水质受有机物和人畜粪便、垃圾污染,应引起相关部门的在重视,及时采取措施治理。

[关键词] 饮用水;监测;污染

[中图分类号] R123.1 [文献标识码] B [文章编号] 2095-0616(2013)24-172-02

Analysis on monitoring results of drinking water quality in 2010-2012 year in Pingyuan county

ZHANG Shiyuan ZHANG Xueliang LIU Yuan HUANG Liangjun

Pingyuan Center for Disease Control and Prevention of Guangdong Province,Pingyuan 514600,China

[Abstract] Objective To understand the hygienic status of drinking water in Pingyuan county, in order to ensure the safety of drinking water. Methods The drinking water quality were monitored and inspected in 2010-2012 year in Pingyuan county according to the "drinking water standard testing method", and the local drinking water quality situation were analyzed. Results 794 water samples were monitored in 2010-2012 year, the single detection showed that the qualified rate of total hardness, chloride, lead, arsenic and nitrates was 100%. The total coliform bacteria exceeded the standard most seriously, the qualified rate of which was only 32.11%, followed by turbidity, the qualified rate of which was 72.50%, the qualified rate of pH and total bacterial count was 83.42%, 88.66% respectively. Conclusion The total bacterial count and total coliform bacteria of drinking water in Pingyuan county exceed the standard, which is pointed out that the water quality is polluted by the organic matter, human or animal feces and garbage, the related section should attach importance to it, and take timely measures.

[Key words] Drinking water; Monitoring; Pollution

水是人类最重要的生活及生产必须物质,生活饮用水水质的优劣与人类健康密切相关。随着社会经济发展、科学进步和人们生活水平的提高,人们对生活饮用水的水质要求不断提高,饮用水水质标准也不断发展和完善[1]。饮用水的水质标准主要包括物理指标、化学指标、微生物指标等,其中某个指标发生异常都会严重影响该地区居民健康状况,饮用水安全是一项严谨的社会工程[2]。现为了解本地区饮用水卫生状况,为居民用水提供安全依据,于2010~2012年选择全县各乡镇水源样本,进行饮用水检测,具体结果报道如下。

1 资料与方法

1.1 样本采集

由本县疾病预防控制中心专业调查员、乡镇防保人员、水管所工作人员协助,对本县12个乡镇136个行政村的饮用水源进行取样,共收集各地794各应用水样本。其中,对集中供水地区重点采集出厂水和末梢水,分散式自然供水地区采集该地区主要自然水源的水样。全部样本采集人员均经疾控部门集中培训,采集样本时选择天气晴朗日期。

1.2 方法

全部采集样本统一明确标签后送本疾控中心进行水质分析,水质样本的运输、保存、检测均按GB/T5750-2006《生活饮用水标准检验方法》中的标准[3];水质检测项目主要包括色度、浑浊度、臭和味、肉眼可见物等一般特征,细菌总数、总大肠菌群等细菌含量,另外还要检测铁、锰、铅、砷、氯化物、氟化物、硝酸盐等化学元素含量及pH、总硬度,检测项目评价标准主要参考GB/T5749-2006《生活饮用水卫生标准》中《小型集中式供水和分散式供水部分水质指标及限值》进行评价[4]。

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