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目的了解农村集中式供水消毒处理和饮用水水质状况,完善管理措施。方法采用问卷调查和抽样检测方式,对辽宁省农村集中式供水进行检测和评价。结果共进行水源水消毒处理的监测点213个,占抽样调查供水点总数的11.8%。所调查的消毒处理的监测点中,有39.9%的水源用漂白粉进行消毒。不同水处理方式末梢水细菌总数、总大肠菌群和耐热大肠菌群的超标率存在差异。结论辽宁省农村集中式供水消毒状况亟待改善,应加强农村集中式供水消毒处理。
Objective To understand the centralized water supply and disinfection of rural drinking water quality and improve management practices. Methods Questionnaire survey and sampling method were used to test and evaluate the centralized water supply in rural areas of Liaoning Province. Results A total of 213 monitoring points for water source disinfection were taken, accounting for 11.8% of the total number of sampling points. Of the investigated disinfection sites, 39.9% of the water was disinfected with bleach. There were differences in the rates of over-standard bacteria in total water, total coliforms and heat-resistant coliforms in different ways of water treatment. Conclusion The situation of centralized water supply and disinfection in rural areas in Liaoning Province needs to be improved urgently. The centralized water supply and disinfection in rural areas should be strengthened.