Starting in the late 1980s, efforts to address polluted storm water runoff have increased significantly, and the requirements for treating the runoff have gotten more stringent. Not long ago, most highway runoff could be treated using a few simple treatment methods such as bioswales, wet ponds, or vegetated filter strips. More recently however, the treatment requirements have been shifting to include the removal of dissolved metals. Dissolved metals in storm water are becoming more of a concern to regulatory agencies, particularly in highly urbanized areas where land values and lack of available space limit the treatment options. The University of Texas at Austin conducted a study titled, Measuring and Removing Dissolved Metals from Storm Water in Highly Urbanized Areas. The objectives of this research are to develop accurate and scientifically defensible testing protocols that can provide a reliable and repeatable measure of dissolved metals content in storm water and develop conceptual design specifications for at least two cost-effective storm water treatment practices that could be used to effectively remove dissolved metals in highly urbanized areas. As a target performance measure, the treatments should be able to meet or surpass the removal levels required by typical current environmental regulations. To read more about the study and specific details of the research: ow.ly/GfvNq
Posted on: Sun, 21 Dec 2014 19:57:04 +0000
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