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为了解宁河县农村饮用水水质卫生状况及饮水除氟工作效果,于2011年随机抽取13个乡镇的40个自然村,调查农村饮用水类型、供水方式、水井状况、水源卫生防护。枯水期(3—4月)和丰水期(7—8月)每村采集1份末梢水样。按照GB/T5750—2006《生活饮用水标准检验方法》进行检测,按照GB5749—2006《生活饮用水卫生标准》进行评价。40个村饮用水水源全部为深层地下水,集中式供水为主要供水方式,覆盖全部农村人口。水井为封闭式,带有臭氧消毒设
In order to understand the hygienic condition of drinking water and the effect of fluoride removal in rural drinking water in Ninghe County, 40 natural villages in 13 towns and villages were randomly selected in 2011 to investigate the types of drinking water, water supply patterns, well conditions and water hygiene protection in rural areas. A peripheral water sample was collected from each village in dry season (March-April) and wet season (July-August). In accordance with GB / T5750-2006 “drinking water standard test method” for testing, in accordance with GB5749-2006 “drinking water health standards” for evaluation. All 40 village drinking water sources are all deep groundwater. Centralized water supply is the main type of water supply and covers all rural population. The well is enclosed with ozone disinfection