石家庄市农村饮水安全工程水质分析

目的 了解和掌握河北省石家庄市农村饮水安全水质卫生状况及其变化,为农村改水工作和政府决策提供科学依据。方法 于2008-2009年,对河北省石家庄市17个涉农县(市)进行了农村饮水安全工程水质卫生调查;对监测点枯水期(3-5月)和丰水期(7-9月)水质进行采样、检测和评价。结果 在所调查的330个饮水工程中,具备完全水处理工艺的工程占6.06%,无消毒设备的工程高达87.27%;出厂水和末梢水水质合格率分别为80.61%和80.00%;水质感官和一般化学指标、毒理学指标合格率均>95%,但微生物指标超标严重。结论 石家庄市农村饮水安全工程水处理功能不完善,微生物污染较为严重。

Drinking water quality after Implementation of rural drinking water safety project in Shijiazhuang city

Objective To understand drinking water quality after the implementation of rural drinking water safety project in Shijiazhuang city and to provide scientific evidence for making decision.Methods Drinking water samples were collected and tested in 17 counties with drinking water supply system of rural drinking water safety project in 2008-2009 in Shijiazhuang city.The sampling and testing were conducted in dry season (March to May) and wet period (July to September).Results Among 330 rural drinking water supply systems investigated,only 6.06% had qualified water treamten tequipment and 87.27% had no disinfection equipment.The hygienic qualification rate was 80.61% and 80.00% for out water of the water plants and tap water.The qualification rates of the water samples were more than 95% for physical,chemical,and toxicologic indicators.But the microlial indicators was under the national standard.Conclusion The rural drinking water treatment works in Shijiazhuang city need to be miproved,especially for disinfection facility.