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Are Erosion Control Programs Reducing Sedimentation?

by D. P. Roseboom,
R. Sinclair,
Gary Eicken,
Pat Woods,



Document Type: Proceeding Paper

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

Abstract:

In the Midwest, the USEPA National Watershed Monitoring Program is determining the effectiveness of land management strategies to improve water quality and biological diversity. The illinois EPA has selected the Lake Pittsfield watershed to determine how well erosion control practices have reduced the amounts of sediment entering this drinking water reservoir. While the watershed monitoring emphasized on the effectiveness of 30 Water and Sediment Control Basins (WASCOBs) to reduce sediment input to the lake, additional monitoring efforts reveal the effectiveness of past erosion control efforts (primarily vegetative as notill cultivation) to reduce sediment input and improve water quality. The SWCD has proposed the construction of a large sediment retention basin (SRB) with 90 percent trap efficiency at the upper end of Lake Pittsfield. The SRB has not yet been constructed.

Subject Headings: Sediment | Water quality | Watersheds | Retention basins | Erosion | Lakes | Vegetation | Illinois | United States

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