福州市厦坊溪黑臭水体污染成因分析及治理方案

厦坊溪是典型的城郊结合脏乱差河道,水体污染情况严重。通过对河道水体的黑臭指标检测并结合民意调查及现场踏勘,对厦坊溪黑臭水体进行识别和原因分析。厦坊溪重度黑臭河段位于城中村及建成区,是点源污染、内源污染及面源污染等多种因素综合作用的结果。针对厦坊溪黑臭水体具体情况,结合河道周边用地情况、排水体制、排水系统现状条件及支流汇入情况,选择针对性较强的水体污染整治措施,通过控源截污、内源治理、生态修复、清水补给和岸带修复等多项措施,解决河道黑臭问题,实现水质改善目标。

Cause Analysis & Treatment Scheme of Black-Odorous Water Pollution in Xiafang Creek,Fuzhou

Xiafang Creek is a typical dirty&chaotic river in the suburbs,with serious water pollution.Through the detection of the black and odor indicators of the river water bodies,combined with public opinion surveys&on-site surveys,the black-odorous water bodies of the Xiafang Creek are identified&analyzed.The severe black&smelly section of Xiafang Creek is located in urban villages&built-up areas.It is the result of multiple factors such as point source pollution,internal source pollution&non-point source pollution.In view of the specific conditions of the black&smelly water body of Xiafang Creek,combined with the surrounding land conditions of the river channel,the drainage system,the current conditions of the drainage system,and the inflow of tributaries,the targeted water pollution remediation measures are selected,through various measures such as source control&pollution interception,internal source treatment,ecological restoration,clean water replenishment&shoreline restoration have solved the problem of black-odorous rivers and achieved the goal of improving water quality.