Here is information about erosion around the lake.
Soil erosion, especially from construction and site clearing, is a potential danger to the lake. Stringent precautions are always necessary when the ground is disrupted. Most contractors will be aware of, and use, erosion control measures, but it is prudent to bring this up at the planning stage and to reinforce your concern as necessary. A recent (2004) hydrological survey of the lake bottom, to evaluate the need for dredging, found that surprisingly little sediment has accumulated in the lake since 1948, and that there is no need for remediation (except for local road gravel washouts). The report credited lakeside