长江三峡水库四期蓄水重庆市涪陵段库底卫生清理效果分析

Analysis of the Cleaning Effect on the Bottom of Reservoir in Fuling Area,Chongqing of the Three Gorge Reservoir of Yangtze River

[目的]保护三峡水库水质,预防介水和鼠传疾病的发生,确保水库的正常运行。[方法]2008年3～8月,在重庆市涪陵区全面开展长江三峡工程涪陵区四期蓄水库底卫生清理工作,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,对鼠类和鼩鼱类进行毒饵毒杀。[结果]全面完成四期库底卫生清理的清理。一般性污染源与传染性污染源清理后粪大肠菌值符合《粪便无害化卫生标准》,每个灭鼠区的鼠密度小于1%。[结论]库底卫生清理工作达到预期效果。

[Objective]To protect water quality in the Three Gorge Reservoir of Yangtze River,to prevent the prevalence of water-borne diseases and the disease transmitted by rats.[Methods]Cleaning was conducted in the bottom of the reservoir which was the four-stage of the Three Gorge of Yangtze River in Fuling district,Chongqing,from March to August 2008.Disinfection methods such as cleaning,incinerator and landfill was conducted,rat and crocidura attenuate deratization was carried out with poison bait.[Results]Cleaning on the bottom was thoroughly completed,the value of fecal E.coli can meet the ＂ Sanitary standard for the non-hazardous treatment of night soil＂ after the clearance of general and infectious pollution source.The density of rat was below 1% in each rat deratization area.[Conclusion]Sanitary clearance on the bottom of the three Gorge of Reservoir achieved the expected result.