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Evaluating Low Impact Development Practices for Storm Water Management on an Industrial Site in Mississippi - Joel Haden &Doug Baughman
Published: 1/9/2005
2004 Southeast Watershed Roundtable Presentaion Click here for full agenda
Industrial site development can impact water resources. While permitting requirements may reduce impacts, they are limited in addressing long-term cumulative and operational impacts from the changes in land uses. Many of these developments occur within watersheds containing impaired waters. Approximately 25,000 acres of industrial sites are developed or expanded annually in the 201-county Tennessee Valley Authority (TVA) power service region. TVA’s mission is to promote sustainable economic development, energy production, and environmental stewardship. The Golden Triangle Regional Airport Authority is developing an industrial site for American Eurocopter on an airport near Columbus, Mississippi. For the 90-acre site, TVA is evaluating Low Impact Development (LID) practices that reduce flow and water quality, and control storm water at its source rather than in large high-flow concrete structures. LID relies largely on landscape and vegetation, which can be incorporated with other natural resource watershed enhancement activities into a comprehensive protection strategy. This approach was applied originally to new construction of residential areas, strip malls, or office parks. The primary objective for this project was to determine the most suitable suite of best practices to minimize the proposed industrial development’s potential storm water impacts. This paper presents methodologies used to conduct storm water evaluations at the site, including hydrologic modeling, conceptual designs and cost evaluations. Hydrologic modeling was accomplished using the LIFE™ model, developed by CH2M HILL to simulate LID hydrology. The LIFE™ model is a continuous-simulation, physically-based model that takes into account the processes that occur in various LID best practices. For more information contact Joel Haden Phone: 865-632-2132 E-mail: jmhaden@tva.gov
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