三峡库区宜昌至泄滩段水质污染现状及对策

Present Situation of Water Pollution in The Three Gorges Area From Yichang to Xietan and Countermeasures

通过对长江三峡库区宜昌至泄滩段水域污染情况的实地调查和水质分析,采用单因子水质类别法和综合污染指数法对其水质污染现状进行分析、横纵向比较和评价,结论为三峡库区水域污染在1999年出现峰值,现在总体上呈好转趋势,水质总体评价级别为Ⅱ类,水体污染以有机物和重金属污染及细菌为主,主要污染源为沿江工业和城市生活污水。水质好转的客观原因主要在于管理和治理力度加大。

According to our survey and analysis of water fetched from the Three Gorges Area from Yichang to Xietan , single factor exponent method and synthetic pollution index method were used to analyze , compare and evaluate the present situation of water quality. It was concluded that the water pollution in the Three Gorges Area came up to the peak value in 1999, generally turned better for the moment, the overall grand is Ⅱ. The major forms of pollution are organism, heavy metal and bacteria, the major sources are industrial and life sewage. The impersonal reasons of that good tendency lie on the strengthened administration. From that we should reinforce the management further, properly dispose industrial waste, consolidate monitoring of the water environment,＇ perfect pollution rules of law, renovate key sources of pollution, speed up exiting furrowing and returning to forest, develop efficient biological agriculture, and increase the degree of geological calamity prevention, propagandizing and educating.