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Work plan for the Sangamon River basin, Illinois

January 1, 1983

The U.S. Geological Survey, in cooperation with the Division of Water Resources of the Illinois Department of Transportation and other State agencies, recognizes the need for basin-type assessments in Illinois. This report describes a plan of study for a water-resource assessment of the Sangamon River basin in central Illinois. The purpose of the study would be to provide information to basin planners and regulators on the quantity, quality, and use of water to guide management decisions regarding basin development. Water quality and quantity problems in the Sangamon River basin are associated primarily with agricultural and urban activities, which have contributed high concentrations of suspended sediment, nitrogen, phosphorus, and organic matter to the streams. The impact has resulted in eutrophic lakes, diminished capacity of lakes to store water, low concentrations of dissolved oxygen, and turbid stream and lake waters. The four elements of the plan of study include: (1) determining suspended sediment and nutrient transport, (2) determining the distribution of selected inorganic and organic residues in streambed sediments, (3) determining the waste-load assimilative capacity of the Sangamon River, and (4) applying a hydraulic model to high streamflows. (USGS)

Publication Year 1983
Title Work plan for the Sangamon River basin, Illinois
DOI 10.3133/ofr82693
Authors J. K. Stamer, Dean M. Mades
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 82-693
Index ID ofr82693
Record Source USGS Publications Warehouse