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原文传递 Approaches for Determining and Complying with TMDL Requirements Related to Roadway Stormwater Runoff.

题名：	Approaches for Determining and Complying with TMDL Requirements Related to Roadway Stormwater Runoff.
作者：	Lantin, A.; Larsen, L.; Vyas, A.; Barrett, M.; Leisenring, M.; Koryto, K.; Pechacek, L.
关键词：	Stormwater runoff, Roadways, Right-of-way
摘要：	This report equips the state DOT practitioner with practical information on how to determine and address TMDL requirements related to roadway stormwater runoff. An effective TMDL compliance strategy involves solutions within the state DOT right-of way and watershed-based stormwater management efforts. This report lays out the foundation of various approaches for state DOT compliance with TMDLs by addressing the following objectives: Analyze data, statistics, and information about stormwater runoff from roadways and other land uses or other pollutant sources. Identify strategies for determining the significance and contribution of stormwater pollutants from roadways within a given watershed. Identify practical feasibility of implementing traditional structural and nonstructural best management practices (BMPs). Identify approaches for determining the relationship between performance and costeffectiveness of BMPs. Identify approaches for determining the efficiency and effectiveness of innovative water quality solutions—such as stormwater banking, pollutant trading, off-site mitigation, off-site source control, and other holistic compliance strategies—not commonly used by stormwater practitioners at state DOTs and other transportation agencies,. The groundwork for evaluating DOT compliance approaches first requires identifying pollutants that are being discharged from the highway environment into receiving water bodies. Most state DOT compliance analyses include determining the sources and loads of pollutants in highway runoff and then comparing the contribution of highway runoff loads to receiving waters relative to an applicable waste load allocation (WLA). If the state DOT’s contribution exceeds the applied WLA, the department must develop and implement a strategy for reducing pollutant loads. Identifying loads enables the state DOT to determine its contribution in comparison to other agencies and develop an effective strategy for achieving water quality compliance in the watershed.
报告类型：	科技报告