常州次级河流污染分析及治理方式探讨—以藻港河区段河道为例

Analysis and Treatment of Urban Secondary Rivers Pollution in Changzhou—Take Zaogang River Section as an Example

本文研究了藻港河(三井段)主河道及民营河、大沟河、太湖河、大湾河、三井河、泰山河、五奎河等7条支流的水质情况。检测结果表明:藻港河(三井段)13个采样断面中,11个断面的水质指标符合GB 3838-2002[1]Ⅲ类标准,1个符合Ⅴ类标准,1个属于劣Ⅴ类标准;藻港河(三井段)支流共设16个采样断面,1个断面的水质指标符合GB 3838-2002Ⅳ类标准,2个符合Ⅴ类标准,13个属于劣Ⅴ类标准。主河道水质由支流河道水质决定。根据藻港河(三井段)主河道及支流的水质状况,本文从河道建设情况、工业源、生活源、地面径流污染等方面进行水质污染分析,从企业雨污分流、泵站截污、改建生态河道、排放口编码、河道长效管理等方面提出了治理措施,以期为城市次级河流污染分析及治理方式研究提供参考。

In this paper,the water quality of the main river of Zaogang River(Sanjing section)and 7 tributaries,including Pinghe River,Dagou River,Taihu River,Dawan River,Sanjing River,Taishan River and Wukui River,is studied.The test results show that:Among the 13 sampling sections in the Zaogang River(Sanjing section),the water quality indexes of 11 sections meet the GB3838-2002[1]ClassⅢstandard,1 section meets the V standard,and 1 section belongs to the inferior V standard;there are 16 sampling sections in the tributaries of Zaogang River(Sanjing section).The water quality indexes of 1 section meet the GB 3838-2002 ClassⅣs tandard,2 sections meet the V standard,and 13 belong to the inferior V standard.Main river water quality due to tributary river water quality.According to the water quality conditions of the main river and its tributaries of the Zaogang River(Sanjing section),this paper analyzes water pollution from the aspects of river construction,industrial sources,domestic sources,and surface runoff pollution,and puts forward treatment measures from the aspects of rainwater and pollution diversion by enterprises,pollution intercepting by pumping stations,ecological channel reconstruction,discharge outlet coding,and long-term management of river channels.In order to provide reference for urban secondary river pollution analysis and treatment methods.