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    李婧, 张秀红, 秦钰涵, 范耀春, 李丽, 魏娜娜, 杨田, 张向楠, 杨升美, 李国峰, 张晨光, 高昇. 2015—2019年内蒙古地区饮用水铁、锰水平及影响因素[J]. 环境卫生学杂志, 2021, 11(1): 57-60, 66. DOI: 10.13421/j.cnki.hjwsxzz.2021.01.011
    引用本文: 李婧, 张秀红, 秦钰涵, 范耀春, 李丽, 魏娜娜, 杨田, 张向楠, 杨升美, 李国峰, 张晨光, 高昇. 2015—2019年内蒙古地区饮用水铁、锰水平及影响因素[J]. 环境卫生学杂志, 2021, 11(1): 57-60, 66. DOI: 10.13421/j.cnki.hjwsxzz.2021.01.011
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    LI Jing, ZHANG Xiuhong, QIN Yuhan, FAN Yaochun, LI Li, WEI Nana, YANG Tian, ZHANG Xiangnan, YANG Shengmei, LI Guofeng, ZHANG Chenguang, GAO Sheng. Level and Influencing Factors of Iron and Manganese in Drinking Water in Inner Mongolia, China, 2015—2019[J]. Journal of Environmental Hygiene, 2021, 11(1): 57-60, 66. DOI: 10.13421/j.cnki.hjwsxzz.2021.01.011
    Citation: LI Jing, ZHANG Xiuhong, QIN Yuhan, FAN Yaochun, LI Li, WEI Nana, YANG Tian, ZHANG Xiangnan, YANG Shengmei, LI Guofeng, ZHANG Chenguang, GAO Sheng. Level and Influencing Factors of Iron and Manganese in Drinking Water in Inner Mongolia, China, 2015—2019[J]. Journal of Environmental Hygiene, 2021, 11(1): 57-60, 66. DOI: 10.13421/j.cnki.hjwsxzz.2021.01.011
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    2015—2019年内蒙古地区饮用水铁、锰水平及影响因素

    Level and Influencing Factors of Iron and Manganese in Drinking Water in Inner Mongolia, China, 2015—2019

      摘要
    • 摘要:
      目的 调查内蒙古地区饮用水中铁、锰水平，对影响饮用水中铁、锰合格情况因素进行探索，为饮用水改水工作提供依据。
      方法 于2015—2019年连续检验内蒙古地区城乡饮用水水质，观察铁、锰指标变化情况，对饮用水中铁、锰污染情况评价和分析。
      结果 内蒙古地区连续5年铁和锰的达标率差异均有统计学意义（χ2分别是60.00、66.55，P < 0.01），整体呈上升趋势（趋势χ2分别为48.90、24.55，P < 0.01）。内蒙古中、西部地区铁和锰达标率均高于东部区、丰水期均高于枯水期，均有统计学意义。以地下水为水源饮用水铁的达标率小于以地表水为水源饮用水，差异有统计学意义。内蒙古地区人口以饮用集中式供水为主，集中式供水水源锰的达标率大于分散式供水，差异有统计学意义。
      结论 2015—2019年内蒙古地区饮用水中铁、锰达标率呈上升趋势，不同水源、不同水期、不同供水方式等对饮用水中铁、锰的达标率有影响。

       

      Abstract:
      Objective To investigate the level of iron and manganese in drinking water in Inner Mongolia Autonomous Region, China, and discuss the factors affecting the content of iron and manganese in drinking water, and to provide a scientific basis for the reform of drinking water and the safety of drinking water.
      Methods From 2015 to 2019, the drinking water quality of urban and rural areas in Inner Mongolia was continuously tested, the changes in iron and manganese indices were observed, and the iron and manganese pollution in drinking water was evaluated and analyzed.
      Results The qualified rates of iron and manganese content in Inner Mongolia were significantly different among the five years (χ2 were 60.00 and 66.55, respectively, P < 0.01), and showed an overall increasing trend from 2015 to 2019 (χ2 were 48.90 and 24.55, respectively, P < 0.01). The qualified rates of iron and manganese content were significantly higher in the central and western region than in the eastern region of Inner Mongolia, and were significantly higher in wet season than in dry season. The drinking water from underground water sources had a significantly lower qualified rate of iron content than that from surface water sources. The drinking water in Inner Mongolia was mainly from the centralized water supply, and the qualified rate of manganese content in drinking water from the centralized water supply was significantly higher than that in drinking water from the decentralized water supply.
      Conclusion From 2015 to 2019, the qualified rates of iron and manganese content in drinking water in Inner Mongolia were on the rise, and they varied among different water sources, different water periods, and different water supply methods.

       

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