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Water Quality Modeling of the Upper Mississippi River to Support TMDL Load Allocations

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Abstract:

In an effort to support the development of a TMDL for Lake Pepin, a linked hydraulic/water quality model framework was developed for the Upper Mississippi River (UMR) upstream of Lake Pepin, between Brainerd (RM 1,000) and Ford Dam (RM 847.7). The results of the modeling will support wasteload allocations for over 300 NPDES facilities in the watershed and may be used in developing trading between point sources as well as point and non-point source trading. The full equation (FEQ) and RCA (row column AESOP) models were selected as the hydraulic and water quality components, respectively, to represent phosphorus dynamics including dissolved inorganic phosphorus (DIP) and total particulate phosphorus (TPP).

Keywords: RCA; Upper Mississippi River; delivery ratios; phosphorous

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864709793956806

Publication date: January 1, 2009

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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