Water Quality Modeling of the Rouge River Watershed

by Philip N. Brink, (M.ASCE),
Gary Mercer, (M.ASCE),
Richard Wagner, (M.ASCE),

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


A relatively detailed modeling framework for calculating pollution flows and loads to the Rouge River has been developed and tested successfully. The framework includes consideration of stormwater runoff from areas with separate storm sewers, as well as CSO discharges which represent a combination of sanitary sewage and stormwater runoff. Baseflow and point source discharges are also considered. On a long-term basis, stormwater runoff from areas with no sewers and areas with separate storm sewers typically represent the largest source of pollutant loads to the Rouge River whereas CSOs represent about 8 percent of the total streamfiow in. the watershed. The model results for both water quantity and quality can be processed to create input to a receiving water model to determine the dynamic instream water quality impacts of the loads.

Subject Headings: Water quality | Water pollution | Watersheds | Stormwater management | Runoff | Sewers | Dynamic models | Load factors

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