Boone Dam Repair Project May Take 5 to 7 Years

Pending a formal environmental review, TVA engineers and other dam safety experts are recommending the construction of a composite seepage barrier – a multi-stage combination of grout injections and concrete – inside the earthen embankment. Project completion estimates range from five years to up to seven years. The initial cost estimate of the repair is expected to be between $200 and $300 million.

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