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目的了解闽侯县农村散在井水氟化物含量水平,为农村改水提供依据。方法以2009—2013年闽侯县居民自发送检的539份井水为检测资料,按井的分布地点、井深及氟化物检测结果进行分类统计。结果 2009—2013年全县共检测农村散在井水539份,水氟均值0.44mg/L,符合国家卫生标准。有4个乡镇27件水样超标,总超标率5.0%,各乡镇超标率分别为13.5%、11.0%、9.0%和4.8%,超标范围1.2~2.2mg/L。48.6%的水样氟含量在<0.5mg/L,46.4%的水样氟含量在0.5~1.2mg/L。其中深井水氟含量超标率7.5%,高于浅井水含氟量超标率(1.4%)。结论由于地质原因,闽侯县农村地区有些深井水存在高氟危害,建议加大饮水安全知识宣传力度,采取更换安全水源等方法处置。
Objective To understand the level of fluoride in scattered wells in rural areas of Minhou County and provide the basis for rural water improvement. Methods 539 wells of spontaneous seizure in Minhou County from 2009 to 2013 were used as test data to classify the wells according to well distribution, well depth and fluoride test results. Results In 2009-2013, a total of 539 scattered well water in rural areas were detected in the county. The water fluoride mean was 0.44 mg / L, which met the national health standards. There were 27 water samples in 4 towns and townships exceeding the standard, with the total exceeding the standard rate of 5.0%. The over-standard rates of each township were 13.5%, 11.0%, 9.0% and 4.8% respectively, exceeding the standard range of 1.2-2.2mg / L. 48.6% of the water sample fluorine content <0.5mg / L, 46.4% of the water sample fluoride content of 0.5 ~ 1.2mg / L. Among them, the fluorine content in deep well exceeded the standard by 7.5%, which was higher than that of shallow well (1.4%). Conclusion Due to the geological reasons, some deep-well water in rural areas of Minhou County is endangered by high-fluorine. It is suggested that efforts should be made to increase knowledge of drinking water safety and take measures to replace safe water sources.