德州市城乡供水一体化供水微生物现状调查分析

张静; 段弘扬; 班海群; 张流波

doi:10.13421/j.cnki.hjwsxzz.2017.01.008

德州市城乡供水一体化供水微生物现状调查分析

Investigation on Sanitary Situation of Integrated Urban and Rural Water Supplies in Dezhou City

摘要

摘要:
目的了解德州市城乡供水一体化供水微生物污染状况。

方法以问卷方式调查该市15家城乡供水一体化供水单位基本情况、水源情况及水处理工艺，同时采集出厂水和末梢水共180份，按照《生活饮用水标准检验方法》(GB/T 5750-2006) 检测微生物和消毒指标。

结果该市供水单位以水库水为主要水源，水质处理工艺根据水源情况合理配置，消毒方式以二氧化氯消毒为主。180份水质微生物指标合格率为98.3%，消毒指标合格率为93.3%。

结论该市城乡供水一体化供水微生物指标合格率较高，城乡供水一体化是解决农村地区饮用水微生物卫生安全的可行策略。

Abstract:
Objective To investigate the sanitary situation of integrated urban and rural water supplies in Dezhou city.

Methods The investigation was carried out by a questionnaire in 15 sites of the city to obtain the sanitary situation of integrated urban and rural water supplies including water sources, water treatment processes, etc. A total of 180 samples of finished waters and terminal piped waters were examined in accordance with the procedures in the Standard Examination Methods for Drinking Water (GB/T 5750-2006). The indicators of microorganism and disinfection were determined.

Results Reservoir water was the main source for waterworks in the city. The water treatment processes were rationally allocated with water source. The drinking water was disinfected by chlorine dioxide. The overall qualified rates of microorganism as disinfectant residual were 98.3% and 93.3% respectively.

Conclusion The integrated urban and rural water supplies in Dezhou were in good condition, it was a feasible strategy to solve health security of drinking water in rural areas of the city.

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