Reports show dam repairs similar to Boone take years to complete

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JOHNSON CITY, TN (WJHL) – After learning Thursday repairs to Boone Dam to fix a sediment seepage problem would take five to seven years, News Channel 11 decided to dig deeper to see if any other dams had experienced similar problems.

The quick answer? Yes.

One of those dams is Center Hill Dam, near Smithville in Middle Tennessee.

According to a U.S. Army Corps of Engineers- Nashville District website, engineers are currently implementing an 11-year plan to address foundation seepage issues similar to that of Boone Dam.

Center Hill’s rehabilitation project started in 2008 and is expected to be completed in 2019.

Engineers first placed grout into the foundation rock beneath and beside the dam from 2008 to 2010, and then a barrier wall was built between 2012-2015.

According to the website, a concrete reinforcing berm — expected to be constructed 2016-2018 — will be placed downstream of the saddle dam.

A rehabilitation project at Wolf Creek Dam on the Cumberland River in south central Kentucky, which started in March 2006 to address seepage problems at the dam, was finished in March 2013 with the completion of a 4,000-foot-long barrier wall through the dam’s earthen embankment, according to U.S Army Corps of Engineers- Nashville District website.

Like Boone Dam, Wolf Creek made the decision to lower the lake levels in January 2007 to alleviate pressures on the dam, and water levels remained low until spring of 2013 when the barrier wall was finished.

According to the website, lake levels around Wolf Creek returned to historic levels in 2014.

TVA’s Tims Ford Dam and Bear Creek Dam in Alabama are two other dams that experienced seepage issues in the past, identified the source of the seepage and were repaired successfully.

For more information, visit 2015 WJHL. All rights reserved.

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