BMP/LID Optimization in San Antonio

Sheeba Thomas, Ph.D., P.E., PMP, CFM; and Yu-Chun Su, Ph.D., P.E., CFM, CPESC, CPSWQ

In addition to flood controls, selection and implementation of Best Management Practices (BMPs) and low-impact development (LID) strategies to address urban runoff pollution have become important components of holistic watershed master planning and stormwater management. These strategies can not only help address existing water quality impairments and support regulatory compliance, but also guide future watershed planning — especially when substantial population growth and urbanization is projected.

However, the efforts have been limited to qualitative planning due to the lack of suitable tools to conduct quantitative assessment. As a result, the effectiveness of the BMP/LID could only rely on follow-up long-term monitoring to verify, and in many cases, there is a lack of planning effort prior to implementing BMP or LID strategies.

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