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目的分析2007-2011年南水北调中线工程水源区(郧县)水源水监测资料,了解丹江库区郧县段水质卫生情况,为政府有效保护水源区生态环境提供科学依据。方法采取选择具有代表性的郧县水务公司取水口附近为监测点,每季度采样监测1次,对检验结果进行分析。结果本次连续5年共采样40份,合格40份,合格率100.0%。其中一级水源水28份,占70.0%,一级水源水2007-2011年构成比分别为50.0%、60.0%、75.0%、75.0%、87.5%,逐年上升。结论丹江库区郧县段水源水水质卫生情况优良。
Objective To analyze the water source monitoring data of the water source area (Yunxian) of the Middle Route Project of South - to - North Water Diversion from 2007 to 2011, to understand the sanitary conditions of water in Yunxian section of Danjiang reservoir area and to provide a scientific basis for the government to effectively protect the ecological environment in the water source area. Methods Taking the representative of Yunxian Water Company near the water intake as the monitoring point, sampling and monitoring were conducted every quarter, and the test results were analyzed. The results of a total of 5 consecutive sampling 40, 40 qualified, with a pass rate of 100.0%. 28 of which are source water, accounting for 70.0%. The composition ratios of primary source water from 2007 to 2011 are 50.0%, 60.0%, 75.0%, 75.0% and 87.5%, respectively, which have been increasing year by year. Conclusion The water quality in Yunxian section of Danjiang reservoir area is good and sanitary.