A Lake Water Quality Management Model to Evaluate Stormwater Management

by Mary C. Halley, Environmental Consulting Engineers, Inc, Knoxville, United States,
Mark A. Ross, Environmental Consulting Engineers, Inc, Knoxville, United States,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


A research project was completed to develop a dynamic lake water quality management model for Lake Tarpon, a 10.3 km2, shallow lake in Central Florida. The model is intended to provide for evaluating lake management alternatives, including stormwater treatment practices in the watershed and operational guidelines for the lake to maintain specific water quality objectives. The model includes two-dimensional hydrodynamic and nutrient budget modeling for the lake, and storm water/water quality modeling for the watershed. A GIS is used to provide all spatial data definition and analysis functions required for the modeling components and provides for output analysis and display. The model makes use of a trophic state index for summarizing the water quality conditions of the lake so that environmental managers could easily interpret results. Output interpretation has been provided in the model that it is simple and effective for evaluating management alternatives.

Subject Headings: Stormwater management | Water quality | Lakes | Quality control | Water management | Dynamic models | Water treatment | Hydrologic models | Florida | United States

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