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The contents of this report reflect the views of the author(s), who is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Virginia Department of Transportation, the Commonwealth Transportation Board, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. Any inclusion of manufacturer names, trade names, or trademarks is for identification purposes only and is not to be considered an endorsement.

Title:

Testing of Ultra-Urban Stormwater Best Management Practices
Authors:
Yu, Shaw L.
Stopinski, Monika D.
Year: 2001
VTRC No.: 01-R7
Abstract: Ultra urban areas where conventional best management practices (BMPs) are neither feasible nor cost-effective present a challenge to stormwater management. Although new BMPs have been developed for such space limited environments, the field performance of these technologies is still largely undocumented. This study monitored the field performance of four ultra urban BMPs: three oil and grit separators (Isoilater, Stormceptor, and Vortechs Stormwater Treatment System) and a bioretention area. Storm sampling data for each site were analyzed to calculate the removal efficiency for each constituent monitored. Because the Vortechs system was installed improperly, its removal efficiency results in this study are not reliable. Therefore, the system could not be fully evaluated. The results of the study are site specific. The performance of the BMPs was affected by varying factors. The study, thus, concludes that the data and study site conditions must be evaluated carefully before results can be extrapolated to compare the relative and potential performance of a particular BMP under different site conditions.