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首页> 外文会议>American Water Resources Association's Annual Water Resources Conference, Nov 6-9, 2000, Miami, Florida >STRUCTURAL BMPs: THE SOLUTION TO WATER QUALITY PROBLEMS?
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STRUCTURAL BMPs: THE SOLUTION TO WATER QUALITY PROBLEMS?

机译：结构BMP：水质问题的解决方案？

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Implementation of structural BMPs is being required by more and more regulatory agencies every year. Yet questions remain about whether conventional structural controls adequately address impairments in the receiving waters. The California Department of Transportation (Caltrans) is performing an assessment of the opportunity and potential benefit from retrofitting existing highway facilities. This study is the result of litigation that identified Caltrans as contributing to the impairment of the designated uses of certain receiving waters in Southern California. As part of the court ordered study, Caltrans is evaluating the pollutant removal effectiveness of 39 structural BMPs installed at 33 highway-related facilities. These structural controls include many of the types of facilities recommended for implementation by regulatory agencies. The water quality monitoring data, collected using a consistent sampling and analysis protocol, are analyzed to compare the effectiveness of these controls. An analysis of receiving water impairments in Southern California also is presented that identifies the main reasons for 303(d) listing of receiving waters in the area. These impairments are compared to the expected performance of the conventional structural controls to identify the degree to which conventional structural controls can be expected to address identified water quality problems. Although pollutant removal is often substantial, the data indicate that structural controls can be expected to do little to mitigate some of the most widespread impacts caused by storm water runoff.
机译：每年越来越多的监管机构要求实施结构性BMP。然而，关于传统的结构控制措施是否能够充分解决接收水域的损害问题仍然存在疑问。加利福尼亚运输部（Caltrans）正在评估改造现有公路设施的机会和潜在利益。这项研究是诉讼的结果，该诉讼确定Caltrans造成了南加州某些接收水的指定用途的损害。作为法院下令进行的研究的一部分，Caltrans正在评估安装在33个与公路相关的设施中的39种结构BMP的污染物去除效果。这些结构控制包括监管机构建议实施的许多类型的设施。使用一致的采样和分析协议收集的水质监测数据将进行分析，以比较这些控制措施的有效性。还对南加州的接收水损害进行了分析，确定了该地区303（d）列出接收水的主要原因。将这些损害与常规结构控制的预期性能进行比较，以确定可以预期常规结构控制解决已识别的水质问题的程度。尽管污染物去除通常很重要，但数据表明，结构控制对减轻雨水径流造成的一些最广泛影响的作用不大。

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