在5月份《中国给水排水》第八届城市雨污水管理会议上,重庆市市政设计研究院城环分院的靳俊伟副院长,分享了盘溪河流域水环境综合整治工程的具体情况。盘溪河源头位于重庆两江新区,流经两江新区、渝北和江北三区。盘溪河流域范围面积约28.13km2,上游有翠微湖、八一水库等10个水库,水源主要是以上几个水库和流域区域的雨水。长期以来,由于上游排水箱涵雨污合流、箱涵服务范围内的雨水径流污染、盘溪河内源污染消除不彻底等原因,导致盘溪河内水质逐渐恶化,存在黑臭现象,群众反映强烈,亟需实施水环境综合整治,净化水体水质,消除水体黑臭,恢复水生生态系统健康。受重庆市环保局委托,重庆市市政设计研究院2016年编制了盘溪河流域整治方案。重点调查了盘溪河水环境污染现状,特别是对外源和内源进行排查和监测,剖析了水体污染成因。通过对盘溪河污染源的预测及河水环境容量模型的计算,科学提出了水体污染物消减目标。根据污染消减目标,进一步提出了截断外源、治理内源,逐步建立水生生态系统和岸边生态修复等综合治理措施,对盘溪河流域的水环境进行综合治理和打造,以期实现水生生态环境与人文资源均衡发展的新型滨水空间格局。
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重庆市市政设计研究院城环分院 靳俊伟 副院长
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