DUKE POWER STATE PARK LAKE RESTORATION AND WATERSHED MANAGEMENT PLANNING STUDY
Abstract:A study was performed on the 33-acre lake in Duke Power State Park to address deteriorating lake water quality. Two (2) sets of data were collected from eleven (11) sample stations. The lake was diagnosed as eutrophic. The bathymetric survey showed that the lake has filled in approximately 62% over its 38-40 year life. A phosphorus loading of 756 lb/yr. was calculated based on achieving mesotrophic conditions. The lake's 5,808 acre watershed land usage was characterized. The EPA “Simple Method” screening model was used to estimate the contribution of pollutants from each land use category. A goal for BMPs to reduce phosphorus loadings by 34% was determined. Restoration options identified included: dredging; developing an in-lake wetland; and carp eradication. Watershed BMPs included: regional stormwater treatment; parking lot bioretention; wetland treatment at a local high school; strengthening stream buffer restrictions; agricultural BMPs; education; and a septic maintenance program.
Document Type: Research Article
Publication date: January 1, 2001
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