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目的为掌握山东省城市市政水厂供水水质基本状况。方法 2015年7~10月选取100个市政水厂,采集出厂水水样,按照GB/T 5750-2006《生活饮用水标准检验方法》进行检测,按照GB 5749-2006《生活饮用水卫生标准》进行评价。结果调查100家水厂,83家水厂水质合格,17家水厂水质出现超标,其中市级水厂合格率(95.12%)高于县(区)级水厂(74.57%)(P<0.05);水源为地下水的水厂合格率(71.05%)低于水源为地表水的水厂(90.32%)(P<0.05)。使用二氧化氯消毒的水厂63家,出厂水二氧化氯余量不合格6家。结论县级水厂、以地下水为水源的和使用二氧化氯消毒的水厂存在的卫生问题较多。
Aim To understand the basic situation of water quality of municipal waterworks in Shandong Province. Methods From July to October 2015, 100 municipal waterworks were selected to collect the samples of water produced in the factory and tested in accordance with GB / T 5750-2006 Standard Test Method for Domestic Drinking Water. According to GB 5749-2006 Sanitary Standard for Drinking Water, Evaluation. Results The water quality of 100 waterworks and 83 waterworks was qualified and the water quality of 17 waterworks exceeded the standard. The passing rate of municipal waterworks was 95.12% higher than that of county waterworks (74.57%) (P0.05 ). The qualified rate of waterworks with groundwater (71.05%) was lower than that of waterworks with groundwater (90.32%) (P <0.05). Sixty-three water plants were disinfected with chlorine dioxide and six were not allowed to pass through the factory. Conclusions There are more health problems in county-level waterworks, groundwater-based waterworks and chlorine dioxide-disinfected waterworks.