2009年永登县部分农村集中式供水现状调查分析

The Present Situation of Centralized Water Supply in Partial Rural Areas of Yongdeng County in 2009

目的了解永登县部分农村集中式供水现状,为进一步推进永登县农村改水工作,制定农村饮水安全工程规划,保障农民身体健康提供科学依据。方法对永登县9个农村集中式供水点(检测点)的基本情况进行现场调查,水质检测按照《生活饮用水标准检验方法》(GB/T5750-2006)进行,检测结果按照《生活饮用水卫生标准》(GB/T5749-2006)评价。结果 9个检测点以地下水源为主(88.9),日供水能力为150～2000吨,覆盖人口53553人,解决了覆盖人口的饮水困难及苦咸水问题,88.9的检测点未进行任何消毒处理;水质合格率为25.0;19项检测指标中有9项超标,以菌落总数超标率最高,达47.2。结论永登县农村集中式供水水质卫生状况较差,应加强农民群众饮水卫生知识的教育,保护水源不受污染,同时加强饮水的净化消毒,加强水质监测。

OBJECTIVE To know the present situation of centralized water supply in partial rural areas in Yongdeng County,to provide the scientific basis for further pushing ahead water renovation in Yongdeng,formulating safe drinking water project plan in rural and ensuring farmers＇ health.METHODS A field investigation was conducted to survey the base situation in 9 spots of centralized water supply in Yongdeng.Water quality test followed the national standard of Standard Examination Methods for Drinking Water（GB/T57502006）,results assessment followed the national standard of Standards for Drinking Water Quality（GB/T5749-2006）.RESULTS The source of the nine detection points were mainly groundwater,the daily supply capacity of water reached 150~2 000 tons and covered 53 553 population,88.9 of them no any disinfection were made and the water qualification rate were 25.0.There were 9 out of the limits in the 19 measurement indicators and the over-limit ratio of total plate count was the highest（47.2）.CONCLUSIONS The sanitary quality of centralized water supply were poor in Yongdeng Rural,the education of sanitation of drinking water for farmers should be strengthened,the water sauce should be protected and the disinfection and water quality monitoring of drinking water also should be enhanced.