北京市海淀区17个新建小区使用中水卫生现状调查

目的:了解北京市海淀区17个新建住宅小区使用中水卫生现状,为排除生活饮用水污染隐患及中水的合理使用提供参考指导。方法:选择北京市海淀区2003年后新建成的17个小区,对供水设施管理单位和居民进行调查;采集生活饮用水和中水的水源水及末梢水,进行检测分析。结果:居民使用中水的整体满意率为63.64%;反应中水水质的主要问题有异色、异味和异物;小区生活饮用水水质基本符合国家标准;中水水质合格率低,但未发现对生活饮用水产生影响;市政中水和自建中水水质无明显差别。

Objective： To know the hygienic status of recycled water in 17 new built residential areas in HaiDian district in Beijing, providing reference to eliminate the hidden trouble of drinking water pollution and direction for the reasonable use of recycled water. Methods： Selecting residential areas built after 2003 in HaiDian district in Beijing, investigating property management companies and denizens, collecting drinking water and recycled water from the front and the terminal of the water pipeline to detect and analysis. Result： 63.64% residents are satisfied with recycled water; the main problems of recycled water reflected by inhabitants are abnormal color,odor and content; drinking water in residential areas complies with national standard ; the percent of pass of recycled water is low, but no pollution is found from recycled water to drink- ing water; there is no significant difference between two types of recycled water. Conclusion：With efficient management, recycled water may not pollute drinking water; we should reinforce purification and detection of recycled water, enhancing the safety of the link between recycled water and drinking water.