2012年大连市城市生活饮用水监测结果分析

目的了解大连市城市生活用水水质情况,为加强生活饮用水的卫生管理提供科学依据。方法按照国家颁布的《生活饮用水卫生标准》（GB 5749-2006）,采集大连市城市不同水质的生活饮用水,并按照《生活饮用水标准检验方法》（GBT 5750-2006）进行检测。结果 2012年度共采集6个市政水厂、出厂水、20个末梢水、3个自备水源和10个二次供水监测点。出厂水合格率为100.00%。监测结果表明大连市政供水出厂水完全符合《生活饮用水卫生标准》要求。监测80个市政末梢水,采集80份水样,市政末梢水合格率为85.00%;监测40个高层建筑二次供水的40份水样,合格率为90.00%;监测3个自备水源的12份出厂水、12份末梢水,自备水源出厂水合格率为66.67%。结论监测结果发现大连市城市生活饮用水水质总体情况良好,居民可以放心使用。

Monitoring analysis of drinking water in Dalian city 2012

Objective To understand water quality condition of Dalian city, strengthen the drinking water hygiene management , provide scientific basis for the people＇ s health. Methods According to national standards for drinking water （ GB 5749 -2006 and GB/T 5750 -2006）, drinking water of different water quality was collected and detected in Dalian city. Results The drinking water was sampled including treated water from 6 municipal waterworks, 20 tap water, 3 self - provided water and 10 secondary water supply monitoring points, the qualified rate of factory water was 100% . The monitoring results showed that factory water from municipal water supply was in line with the sanitary standard for drinking water（ GB 5749 - 2006）. 85.00% of tap water samples met with national standards in 80 tap water samples, 40 samples of secondary water supply from 40 high - buildings were monitored and qualified rate was 90. 00%, qualified rate of self - provided water was 66. 67%. Conclusion The monitoring results show that overall condition of water quality of drinking water is good in Dalian city.