Wet Detention Facility Pollutant Removal Modeling

by Thomas R. Sear, (M.ASCE), CH2M HILL, Orlando, United States,
Herbert M. Raybourn, (M.ASCE), CH2M HILL, Orlando, United States,



Document Type: Proceeding Paper

Part of: Water Policy and Management: Solving the Problems

Abstract: This paper documents development of the WETPOND model, which simulates long-term pollutant removal by a wet detention facility. Pollutant removal is determined with an EPA procedure that addresses the physical process of 'dynamic' and 'quiescent' settling, which allows the facility designer to estimate pollutant load reductions caused by particle settling. Model input requirements include the physical characteristics of a wet detention facility and a SWMM runoff array.

Subject Headings: Pollutants | Runoff | Simulation models | Dynamic loads | Hydrologic models | Water pollution | Environmental Protection Agency | Building design

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