Geology of damsites (SG-04)
Dam and reservoir sites require thorough investigation before design and construction begin. Geologic studies are important in this process, especially for larger dams. Questions to be considered before engineering studies begin include: Will soil and rock support the weight of the dam? Are there faults, buried channels, or caverns? Are the rocks, particularly near the dam, secure from damaging or hazardous leakage? Will the valley fill materials prevent seepage under the dam? Are local supplies of permeable and impermeable fill materials adequate for constructing the dam?

Although detailed studies are made by other agencies or consulting firms, the Indiana Geological Survey is frequently called on to provide information and advice.

Our Hoosier State Beneath Us: Structural Geology


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