Postaudit of Upper Mississippi River BOD/DO Model
Publication: Journal of Environmental Engineering
Volume 122, Issue 5
Abstract
In 1981 the Minnesota Pollution Control Agency completed a wasteload allocation study of the Metropolitan Wastewater Treatment Plant's [11 m 3 /s (250 mgd)] impact on dissolved oxygen levels in Pool 2 of the Upper Mississippi River, using the water quality model AESOP. Subsequently, a low flow water quality survey was conducted in the summer of 1988 to monitor the improvement in the river following the treatment upgrade at the plant. In this postaudit study, the AESOP model was checked using the 1988 data set. The significance of the postaudit analysis is that the model kinetic coefficients remain unchanged, except the biochemical oxygen demand deoxygenation rate and the algal growth rate, from the 1981 wasteload allocation study. The carbonaceous biochemical oxygen demand (CBOD) deoxygenation rate dropped after treatment upgrade, and the algal growth rate is within the range of values used in previous calibrations of the AESOP model. CBOD and ammonia loads from the Metro Plant now contribute a small dissolved-oxygen deficit in the receiving water.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Ambrose, R. B., Wool, T. A., Connolly, J. P., and Schanz, R. W. (1987). “WASP4, a hydrodynamic and water quality model—model theory, user's manual, and programmer's guide.”EPA/600/3-87/039. EPA Envir. Res. Lab., Athens, Ga.
2.
Di Toro, D. M.(1978). “Optics of turbid estuarine waters: approximations and applications.”Water Res., 12, 1059–1080.
3.
EnviroTech Associates, Inc. (1992). “Post audit of upper Mississippi River model using 1988 summer low flow water quality data.”Final Rep. Submitted to Metropolitan Waste Control Commission. St. Paul, Minn.
4.
Hydroscience, Inc. (1979). “Upper Mississippi River 208 grant water quality modeling study.”Rep. Prepared for Metropolitan Waste Control Commission. St. Paul, Minn.
5.
Metropolitan Waste Control Commission. (1989). “1988 Mississippi River low flow survey report.” St. Paul, Minn.
6.
Minnesota Pollution Control Agency. (1981). “Mississippi River waste load allocation study.”Rep. Prepared by Div. of Water Quality. St. Paul, Minn.
7.
Thomann, R. V. (1980). “Measures of verification.”Workshop on Verification of Water Quality Models, R. V. Thomann and T. O. Barnwell, Jr., eds., U.S. EPA-600/9-80-016. Athens, Ga., 37–61.
8.
Thomann, R. V. (1987). “System analysis in water quality management—a 25 year retrospective.”System analysis and water quality management, M. B. Beck, ed., Pergamon Press, London, U.K., 1–14.
9.
Thomann, R. V., and Mueller, J. A. (1987). Principles of surface water quality modeling and control. Harper & Row, Publishers, New York, N.Y.
10.
U.S. Environmental Protection Agency. (1984). “Before and after case studies: comparisons of water quality following municipal treatment plant improvements.”430/9-007. Office of Water Program Operations (WH-547), Washington, D.C.
11.
U.S. Envir. Protection Agency. (1995). “Chapter 1: biochemical oxygen demand, dissolved oxygen, and nutrients.”Technical guidance manual for performing waste load allocations. book II: streams and rivers. Ofc. of Wetlands, Oc., and Watersheds, Washington, D.C.
Information & Authors
Information
Published In
Copyright
Copyright © 1996 American Society of Civil Engineers.
History
Published online: May 1, 1996
Published in print: May 1996
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.