唐山市2006年生活饮用水水质的监测

INSPECTION AND ANALYSIS OF LIVING WATER QUALITY IN TANGSHAN CITY

[目的]了解唐山市城区生活饮用水水质,针对存在的问题提出改进建议。[方法]选取有代表性的城区二次供水、末梢水、出厂水和水源水进行监测,采用国家标准进行评价。[结果]所监测的二次供水、末梢水、出厂水和水源水的合格率分别为80.0%、83.3%、100.0%和50.0%。不合格的指标分别有游离性余氯、浑浊度、总大肠菌群、硝酸盐氮、总硬度和细菌总数。[结论]唐山市城区生活饮用水水质基本符合国家标准,针对存在的问题,有关部门应加强管理。

[Objectives] To study the quality of living water in Tangshan City and provide suggestion to improve the quality of living water. [Methods] The representative samples of second water resources, terminal water, factory water, and resources water were selected. The quality of water was evaluated by the national standard. [ Results] The up to grade rate of second water resources, terminal water, factory water, and resources water were 80.0%, 83.3%, 100.0%, and 50.0% respec- tively. The ineligible items were dissociation chlorine residual, turbidity, coli group, nitrogen oxides, calcium hardness, and total bacterial count. [Conclusion] The quality of living water in Tangshan City is in conformity to the national standard on the whole, but the problem should also be emphasized on by relevant departments.