Nutrient Budget Analysis for Rend Lake in Illinois

by Veerasamy Kothandaraman, (M.ASCE), Assoc. Engr.; Water Quality Sect., Illinois State Water Survey, Peoria, Ill.,
Ralph L. Evans, Head; Water Quality Sect., Illinois State Water Survey, Peoria, Ill.,

Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 3, Pg. 547-556

Document Type: Journal Paper

Discussion: Humenik Frank J. (See full record)
Closure: (See full record)

Abstract: A New method for computing long-term average nutrient loads transported to the Rend Lake in southern Illinois by its tributaries is presented. The procedure was adopted from the U.S. Geological Survey's flow-duration curve method developed for determining the long-term average sediment loads transported by streams. The nitrogen and phosphorus loads exerted on Rend Lake were found to be excessive. The lake is of recent origin and, despite the excessive nutrients input, algal counts in the lake are not of bloom proportions. Controlling phosphorus at the point sources will be a major step in arresting the accelerated aging of the lake.

Subject Headings: Lakes | Budgets | Nutrients | Load factors | Sediment loads | Nutrient loads | Phosphorus | Geology | Light rail transit | North America | Illinois | United States

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