南水北调中线工程丹江口水库库底卫生清理效果分析

Cleaning Effect at the Bottom of Danjiangkou Reservoir in the Middle Route Project of South-to-North Water Diversion Project

目的:保护丹江口水库水质,预防库区疾病的发生与流行。方法:2013年3—6月,在湖北省十堰市全面开展南水北调中线工程丹江口水库库底卫生清理工作,根据清理对象的特点分别采取清运、焚烧、填埋及必要的消毒措施,对鼠类进行毒饵毒杀。用培养法检测粪大肠菌值;结合现场流行病学方法对清理效果进行评价;用鼠夹法评价灭鼠效果。结果:卫生清理率、清理质量达标率、资料建档率均为100%,灭鼠后监测鼠密度为0.29%。结论:南水北调中线工程丹江口水库库底卫生清理质量达标,能够满足2014年9月底丹江口水库蓄水的需要。

Taking water quality protection in Danjiangkou Reservoir and preventing the disease prevalence in the reservoir area as the objective, the cleaning work was conducted at the bottom of Danjiangkou Reservoir, which was the Middle Route Project of South-to-North Water Diversion Project, from March to June 2013. According to the characteristics of cleaning object, the methods such as cleaning, incineration, landfill, and necessary disinfection measures were used, and the rats were killed with poison bait. The number of fecal coliform group was measured by culture method, the cleaning effect was eval- uated by field epiderniological methods, and the deratization effect was evaluated by trap method. The hygienic cleaning rate, cleaning quality compliance rate, data archiving rate were all reached to 100% and the rat density was 0.29%. The cleaning effect at the bottom of Danjiangkou Reservoir in the Middle Route Project of South-to-North Water Diversion Project was standard, which be able to meet water storage of Danjiangkou Reservoir at the end of September 2014.