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目的为了解河源市城区居民生活饮用水卫生状况,保障人民的身心健康和生命安全提供科学依据。方法依据《生活饮用水卫生标准》GB5749-2006及《生活饮用水标准检验方法》GB5750-2006对河源市城区的水源水、出厂水、二次供水、末梢水进行监测和评价。结果2007年7月-2009年6月检测市区各种水质共460份,合格316份,合格率为68.70%。其中水源水合格率为100.0%;出厂水合格率为81.25%;末梢水合格率为69.10%;二次供水合格率最低,为60.34%,不合格项目主要为微生物指标、游离氯和混浊度。结论河源市城区的饮用水源并未受到工业及生活的污染,其它各类饮用水卫生状况仍令人担忧,有关部门应加强管理。
Objective To provide a scientific basis for understanding the hygienic condition of drinking water in urban areas of Heyuan City and guaranteeing people’s physical and mental health and life safety. Methods According to “sanitary standard of drinking water” GB5749-2006 and “Standard Test Method for Domestic Drinking Water” GB5750-2006, water source water, ex-factory water, secondary water supply and peripheral water in urban area of Heyuan City were monitored and evaluated. Results From July 2007 to June 2009, a total of 460 samples of various water quality in the urban area were tested, and 316 were qualified, with a pass rate of 68.70%. The passing rate of water source water was 100.0%; the passing rate of ex-factory water was 81.25%; the passing rate of terminal water was 69.10%; the lowest passing rate of secondary water supply was 60.34%. The unqualified items were mainly microbial indicators, free chlorine and turbidity. Conclusion Heyuan City, urban drinking water sources have not been polluted by industry and life, other types of drinking water health is still cause for concern, the relevant departments should strengthen management.